The amount of time by which an activity can be delayed without affecting project completion time is Independent float Free float Activity float Total float Which of the following is the cost for the purpose of Economic order quantity (EOQ)? The annual ordering costs None The annual holding cost per item per annum Both a and b
Answers
The amount of time by which an activity can be delayed without affecting project completion time is known as total float. For the Economic Order Quantity (EOQ) calculation, the cost includes both the annual ordering costs and the annual holding cost per item per annum.
Total float refers to the amount of time an activity can be delayed without impacting the project completion time. It represents the flexibility within the project schedule and allows for adjustments without causing delays. Activities with total float can be delayed without affecting the critical path or overall project timeline. In the context of Economic Order Quantity (EOQ), the cost calculation takes into account both the annual ordering costs and the annual holding cost per item per annum. The EOQ model aims to find the optimal order quantity that minimizes the total cost of inventory management. The annual ordering costs include expenses associated with placing orders, such as paperwork, processing, and shipping. On the other hand, the annual holding cost per item per annum represents the cost of carrying and storing inventory, including expenses like warehousing, insurance, and obsolescence. Therefore, when calculating the Economic Order Quantity (EOQ), both the annual ordering costs and the annual holding cost per item per annum are considered to determine the most cost-effective order quantity that balances the expenses associated with ordering and holding inventory.
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Related Questions
consider the "rankine oval" shape formed by the stagnation streamline (treated as the surface of a solid body) in the flow created by combining a uniform flow, a source, and a sink. for the case where the uniform flow is v [infinity]
Answers
The Rankine oval shape is formed by the stagnation streamline in the flow created by combining a uniform flow, a source, and a sink. In this case, let's consider the uniform flow velocity as V∞.
Here's a step-by-step explanation of how to analyze the Rankine oval shape: 1. Start with the uniform flow: In this case, the uniform flow velocity is V∞. This creates a constant flow in the x-direction. 2. Add the source: The source introduces fluid radially outward from a point, creating an expansion of fluid around it. The velocity distribution due to the source can be described using potential flow theory.
It's important to note that the exact shape of the Rankine oval will depend on the specific parameters of the problem, such as the strengths of the source and sink, and the distance between them. The oval shape will be symmetric about the x-axis, and its exact dimensions can be determined using mathematical equations based on the potential flow theory.
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All major PC operating systems feature a graphical user interface.
O Yes
O No
Answers
Yes, according to the question, all major PC operating systems feature a graphical user interface.
What is operating system?
An operating system (OS) is a type of software that manages the hardware and software resources of a computer. It is responsible for the management and coordination of activities and the sharing of the resources of the computer. It acts as an intermediary between the user of a computer and the computer hardware. The operating system allows the user to interact with the hardware and execute programs. It provides a platform on which the applications can run. It provides services such as memory management, device management, task scheduling, security, networking, and file system management. It also provides the user interface, which allows the user to interact with the system.
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what are the benefits of a career in transportation, distribution, and logistics (TDL)?
Answers
The benefits of a career in transportation, distribution, and logistics (TDL) are:
A sharpened understanding of movement planning.Insight on the best business routes.Improvement in timeliness.Knowledge of vehicle maintenance.What is TDL?TDL is an acronym for Transportation, distribution, and logistics. A person who builds a career around these will become better at planning and adhering to routines.
He will understand ways to keep vehicles in good order and there will also be a better understanding of business routes.
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n Electrical Power Conversion, novel electrical machines for direct drive turbines are being designed, modelled and tested; these are connected to innovative designs of power electronic converters to enable grid connection and optimal control. • The Policy and Innovation Group is active in the techno-economic, environmental and socio-economic impact assessment of innovative floating wind concepts. • In Power Systems, where the grid operation is affected by wind energy integration, current research touches on Distributed Generation, Power Quality and Reliability Analysis and Power System Dynamics and Stability. • In Energy Storage, research into compressed air energy storage, ocean renewable energy storage, thermal energy storage and power-to-X technologies can help reduce the effects of variable wind • In Energy Storage, research into compressed air energy storage, ocean renewable energy storage, thermal energy storage and power-to-X technologies can help reduce the effects of variable wind generation. Expertise includes modelling of hydrogen production and storage. • In Energy and Climate Change, colleagues are studying the impacts of climate change on wind energy and investigating the use of life cycle assessments to improve the design of wind energy systems. This is built on expertise in wind energy resource assessment, mapping and reanalysis through high performance computing. • In Naval Architecture, research into novel wind-assisted propulsion systems is being undertaken. • In Offshore Renewable Energy, colleagues study the interaction of the aerodynamics and hydrodynamics of floating wind turbine systems. • The Composites Group is investigating fibre reinforced polymer composite materials in the design and testing of large composite structures such as wind turbine blades. • In Structural Engineering & Mechanics, structural health monitoring of wind energy assets is studied.
Answers
Based on the provided information, we can identify several potential use cases in the field of wind energy research and development. Here are the use case descriptions for some of the mentioned areas:
Use Case: Techno-economic assessment of floating wind concepts
Description: The Policy and Innovation Group conducts a techno-economic assessment to evaluate the viability and economic feasibility of innovative floating wind concepts. This involves analyzing the costs, benefits, risks, and potential socio-economic impacts associated with implementing these concepts.
Use Case: Power system stability analysis in wind energy integration
Description: The Power Systems group focuses on analyzing the impact of wind energy integration on grid operation. This includes conducting power system stability analysis to ensure the reliable and stable operation of the grid with distributed wind generation. It involves studying distributed generation, power quality, and reliability analysis to improve grid performance. Use Case: Energy storage technologies for wind power smoothing
Description: The Energy Storage group researches various energy storage technologies such as compressed air energy storage, ocean renewable energy storage, thermal energy storage, and power-to-X technologies. The aim is to mitigate the effects of variable wind generation by providing smooth and stable power output. It includes modeling hydrogen production and storage for renewable energy integration.
Use Case: Climate change impact assessment on wind energy systems
Description: The Energy and Climate Change group studies the impacts of climate change on wind energy. They use life cycle assessments to improve the design and operation of wind energy systems, considering environmental factors and sustainability throughout the life cycle.
These are a few examples of use cases based on the information provided. Use cases can vary depending on the specific goals, research areas, and activities of each group mentioned.
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Which gas is released in the SMAW process causing a
shielding affect on the molten weld pool?
•nitrogen
•carbon dioxide
•argon
•hydrogen
Answers
Aref hints that he is like a butterfly. Fill in the blank to explain how Aref is like a butterfly?
Answers
Based on the fact that Aref hints that he is a butterfly, it is safe to assume that:
Aref is making use of simileAccording to the given scenario, we can see that Aref tries to make a comparison between himself and a butterfly, probably because there is a shared similarity between them.
With this in mind, we can see that a simile is used to compare two dissimilar things which are not related using "like" or "as".
As a result of this, it is either that:
Aref is light on his feet like a butterflyAref is beautiful like a butterflyAref loves colors and wearing colorful outfits just like a butterfly, etcPlease note that your question is incomplete and I gave you a general overview to help you get the right answers.
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Answer:
strong
Explanation:
Actions such as clicking and double-clicking are called ____. (1)
a. actionEvents
b. events
c. happenings
d. procedures
Answers
In computer terminology, actions such as clicking and double-clicking are called events. An event refers to any action that a user performs on a computer such as clicking a button, typing a key, or moving the mouse.
The computer system identifies these actions as input events, which it receives and then interprets. The purpose of events is to trigger specific actions in the system, and they can be handled using event handlers. An event handler is a specific procedure that is invoked when an event occurs. It contains instructions on what to do when a particular event occurs. Events are used widely in programming, especially when it comes to developing user interfaces. User interface elements such as buttons and text boxes can be designed to respond to events such as clicking or double-clicking. When an event is triggered, the user interface element responds by executing a specific action.
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what is one thing you learned from reading the article, optimizing the nw off-shore wind turbine design, that you would like to apply to your turbine blade design?
Answers
Since their blades are bent, wind turbines provide lift. Low air pressure is produced by the side of the blade-shaped aerofoil that has the largest curve, while high air pressure is produced by the side that is beneath it.
Explain about the turbine blade design?Due to the form of wind turbine blades, air molecules flowing across the downwind side of the blade move more quickly than those moving across the upwind side. An airfoil is a form that resembles a crooked teardrop.
Turbines can be made with a vertical or a horizontal axis. Their blades might be straight, curved, or rounded. An energy-producing turbine with a horizontal axis and three blades is most effective at producing power.
Most blades are constructed of epoxy or polyester reinforced with fibreglass. As reinforcement materials, we may alternatively utilise carbon fiber or aramid (Kevlar). These days, research is being done into the potential applications of wood compounds like wood-epoxy or wood-fiber-epoxy.
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The only difference between all GMA welding machines and some FCA welding machines is that all GMA welding machines must have a ______________.
Answers
Answer: Shielding gas solenoid
Explanation:
A farmers drainage ditch has a width of 2 m and a depth of 50 cm. It is lined with concrete with a roughness of 0.011 and slopes at 0.0009. Calculate the ditch's discharge rate.
Answers
Answer:
Using the Manning's Equation, the discharge rate can be calculated as follows:
Q = (1.49/n) x A x R^(2/3) x S^(1/2)
Where:
Q = discharge rate (m^3/sec)
n = Manning's roughness coefficient (0.011)
A = cross sectional area of the ditch (2m x 0.5m = 1 m^2)
R = hydraulic radius (half the width of the ditch, or 1 m)
S = slope of the ditch (0.0009)
Q = (1.49/0.011) x 1m^2 x 1m^(2/3) x 0.0009^(1/2)
Q = 13,636.36 m^3/sec
What is the minimum recommended safe distance from an X-ray source?
Answers
Describe some three materials with nanocrystalline structures and identify each example of those material
Answers
Ultrafine crystalline grains in the nanometer range that are separated by grain boundaries or interfaces define nanocrystalline materials.
A nanocrystalline structure: what is it?A polycrystalline substance with a few nanometer-sized crystallites is referred to as a nanocrystalline (NC) substance. These materials bridge the gap between traditional coarse-grained materials and amorphous materials devoid of long-range organisation. Materials that contain clusters, crystallites, or molecules with diameters between 1 and 100 nm are said to be nanostructured materials.
What is an example of a nanostructure?The gecko's foot, iridescent butterfly wings, and hydrophobic leaves are just a few examples of nanostructures found in nature. Scientists and engineers are employing biomimicry to develop new goods with these nano-inspired qualities.
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increasing voltage above the piv rating . a.will increase forward current b.may destroy the diode c.may destroy the diode because of avalanche current d.will cause avalanche current
Answers
Increasing the voltage applied to a diode above its PIV rating can result in increased forward current, and may lead to the destruction of the diode due to an increase in avalanche current.
A. Increasing the voltage applied to a diode above its PIV rating will increase the forward current, or current flowing through the diode when it is conducting.
B. The diode may be destroyed because of the increase in current if the current exceeds the maximum ratings for the device.
C. The diode may be destroyed because of the increased current that can occur in the event of an avalanche breakdown. An avalanche breakdown occurs when the current is increased to a certain point and the reverse breakdown voltage of the diode is exceeded. This results in a large increase in the current through the diode, which can cause it to fail.
D. An increase in voltage above the PIV rating may cause an avalanche current. Avalanche current is a phenomenon that occurs in a diode when the reverse breakdown voltage is exceeded, leading to a large increase in current.
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Calculate the power required for heating a 1.5 kg sample of water for 10 minutes in a thermal system. What is the amount of energy required to raise the temperature of the water from 25°C to 60°C ? How much minimum amount of power does the heater have to supply per unit time? Why does the actual power rating of the heater need to be higher than this minimum amount? (The specific heat of water is 4.18 J/g°C .)
*60 points to anyone who can help*
Answers
Answer:
Power= Heat energy\ time
heat energy= mc∆T
specific heat of water = 4180
1.5*4180*(60-25)
=219450
time = 10× 60= 600 secs
power = 219450/600
Power= 365.75 Watt
=0.37 KW
Explanation:
the actual has to be bigger because the heater might be required to handle more ...also to accommodate extra energy.
A Field Check is an abbreviated calibration procedure
performed at a work site.
True or false?
Answers
Answer:
true
Explanation:
hope this helps!
pls mark as brainliest
What are materials engineers trying to discover when they study different materials? Whether or not materials corrode and oxidize how materials perform and deteriorate if certain materials have been used in the past and at which historical ages which metals conduct heat
Answers
Answer:
Material engineers study various materials to discover the reason and cause of its existence, the chemical properties, how long it has been there, and how it impacts human life.
Explanation:
Material engineer is an engineering discipline that focuses to improve human life by studying the environment and the various elements or materials it holds.
It uses the power of pure science to test and analysis its findings, documents its features and exposes them to the world. Materials like metals and other elemental forms were all tested by these engineers to determine its history and chemical and biological use.
Answer:
how materials perform and deteriorate
Explanation:
See pic attached pleasee
Answers
Evaluation is the methodical determination of a subject's validity, worth, and relevance using standards-based criteria.
Thus, It can help an organization, program, design, project, or any other intervention or initiative evaluate any goal, realizable concept or proposal, or any alternative, to aid in decision-making; or to determine the level of achievement or value in relation to the goal and objectives, as well as the outcomes of any such action that has been taken.
In addition to providing insight into past or current projects, evaluation's main goal is to promote introspection and help identify potential areas for future improvement.
In a variety of human endeavours, such as the arts, criminal justice, and other fields, evaluation is frequently used to describe and evaluate topics of interest.
Thus, Evaluation is the methodical determination of a subject's validity, worth, and relevance using standards-based criteria.
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In which model of the system, the change in order is generated depending on the system activities. *
Static Model
Dynamic Model
Analytical Model
Numerical Model
Answers
Answer:
Static Model
Explanation:
a section of highway has vertical and horizontal curves with the same design speed. a vertical curve on this highway connects a 1% and a 3% grade and is 420 ft long. if a horizontal curve on this roadway is on a two-lane section with 12-ft lanes, has a central angle of 37 degrees, and has a super-elevation of 6%, 1) what is the design speed? 2) what is the radius of horizontal curve? 3) what is the length of the horizontal curve?
Answers
The design speed is 60 mph.
The radius of the horizontal curve is 1,200 ft.
The length of the horizontal curve is 1,248 ft.
Here are the calculations:The length of the vertical curve is what determines the design speed.
The mathematical expression used to determine the distance of a vertical curve is:
.
L = (0.00875 * D * G) / (0.02 * S)
where:
L is the length of the vertical curve in feet
D is the difference in grades between the two points being connected in percent
G is the average grade in percent
S is the super-elevation in percent
Plugging in the values from the problem, we get:
L = (0.00875 * 2 * 2) / (0.02 * 6) = 420 ft
The design speed is then determined by the following formula:
V = 0.067 * L
where:
V is the design speed in mph
L is the length of the vertical curve in feet
Plugging in the value for L, we get:
V = 0.067 * 420 = 60 mph
The radius of the horizontal curve is determined by the following formula:
R = (0.0125 * D * L) / (0.02 * S)
where:
R is the radius of the horizontal curve in feet
D is the difference in grades between the two points being connected in percent
L is the length of the vertical curve in feet
S is the super-elevation in percent
Plugging in the values from the problem, we get:
R = (0.0125 * 2 * 420) / (0.02 * 6) = 1,200 ft
The length of the horizontal curve is determined by the following formula:
L = (0.011 * R * D) / S
where:
L is the length of the horizontal curve in feet
R is the radius of the horizontal curve in feet
D is the difference in grades between the two points being connected in percent
S is the super-elevation in percent
Plugging in the values from the problem, we get:
L = (0.011 * 1,200 * 2) / 6 = 1,248 ft
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MARKING BRAINLIEST
What is a good prototype plan?
Answers
Answer:
The plan is to make your design on AutoCAD and then make technical drawings. Print those technical drawings out with a scale of 1:1 and use those to trace over wood or metal.
Explanation:
Answer:
Make your design, make technical drawings, 3D print or trace
Explanation:
when discussing on the construction methods, including HIGH OUTPUT EQUIPMENT and different on-track plants/machines.
1) foundation
2|) Main steelwork
3) Small plant steelwork
4) Wires and cables
5) sectioning, insulation registration, and in-line components
6) Earthing and bonding
Answers
Construction methods for railway projects involve foundation work, steelwork installation, plant setup, wiring, insulation, earthing, and bonding.
The construction process for railway projects involves various steps.
Firstly, the foundation work is crucial, as it establishes a stable base for the railway infrastructure. This includes tasks such as excavation, soil preparation, and laying the foundation materials.The next step is the installation of the main steelwork, which forms the structural framework of the railway system. This includes erecting bridges, viaducts, and other large-scale steel structures that support the tracks and trains.Additionally, there is small plant steelwork involved, which refers to the installation of smaller steel components such as support beams, platforms, and handrails that provide access and safety features within the railway infrastructure.Wires and cables play a vital role in railway construction, as they facilitate the transmission of power, signals, and communication throughout the system. This step involves the careful installation of electrical wiring, control cables, and signal cables.Sectioning, insulation registration, and in-line components refer to the process of dividing the railway tracks into sections, insulating them properly, and installing various components such as switches, crossings, and signals to ensure the safe and efficient operation of trains.Earthing and bonding are essential for electrical safety in railway systems. Proper earthing techniques ensure the dissipation of electrical faults and lightning strikes, while bonding connects different metallic parts to maintain electrical continuity and minimize the risk of electrical hazards.By following these construction methods, including the use of high-output equipment and specialized on-track plants/machines, railway projects can be efficiently executed with a focus on safety, durability, and functionality.
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Which activity is accomplished as part of the monitoring and controlling process? Completing the project documentation Completing the lessons learned review Assessing project quality Creating the network diagram
Answers
As part of the monitoring and controlling process in project management, one of the activities accomplished is assessing project quality.
This involves evaluating and measuring the project's deliverables and performance against predefined quality standards and criteria. It ensures that the project outputs meet the desired level of quality and helps identify any deviations or issues that may arise during project execution. This activity helps project managers take corrective actions and make necessary adjustments to maintain or improve project quality.
While completing project documentation, completing the lessons learned review, and creating the network diagram are important tasks in project management, they may be associated with other processes such as project closing, project review, or project planning, respectively, rather than being specifically part of the monitoring and controlling process.
Therefore, one of the activities accomplished is assessing project quality.
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What is the purpose of a career portfolio?
to introduce a resume and ask for a job interview
to provide relevant information in a job application
to keep track of all of the jobs you’ve applied for throughout your career
to collect work samples and the data that is used in a resume
Answers
Answer:
c
Explanation:
Answer: The Answer is B
Explanation:
Which Finance jobs can someone pursue with only a high school diploma? Check all that apply.
PLS HURRY IM TIMED
Tax Preparer
Treasurer
Actuary
Teller
Loan Officer
Quantitative Analyst
Answers
Bank tellers, bookkeepers, tax examiners, auditing clerks, cashiers, and bill collectors are among the occupations that demand a high school graduation or prior job experience. Thus option A,D is correct.
What Finance jobs pursue with only a high school diploma?Depending on your field of study, degree type, and experience, you can obtain a number of entry-level positions with a finance degree. Some entry-level options include junior tax accountant, stockbroker, financial analyst, personal finance advisor, and banking assistant.
For entry-level positions in many financial careers, a bachelor's degree is necessary, and for management-level positions, a master's degree.
Therefore, Tax Preparer and Teller are included in Finance jobs can someone pursue with only a high school diploma.
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What is the difference between digital instruments and decimal scaled instruments to measure
Answers
Answer Digital measuring instruments are self-contained devices that automatically present the value of the measured quantity on a digital display. And Decimal Scaled Instruments: Record all digits that you can certainly determine from the scale markings and estimate one more digit. I hope this Helped I´m new to this.
Explanation:
Limpies are best used for
o creating landscape topiaries.
o removing shrub structural branch defects.
o selectively thin delicate shrubs like roses.
o pruning flowers.
Answers
Limpies are best used for removing shrub structural branch defects.
Limpies are specialized pruning tools commonly used in horticulture and arboriculture. They are specifically designed for the precise and careful removal of shrub structural branch defects. These defects can include broken, dead, diseased, or crossing branches that affect the overall health and aesthetics of the shrub. Limpies are equipped with sharp blades and a scissor-like action, allowing for clean and accurate cuts to be made close to the main stem or branch collar. This helps promote proper healing and reduces the risk of disease or insect infestation. While limpies can be used for general pruning tasks, they excel in addressing structural branch defects and maintaining the overall health and integrity of shrubs.
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Which of the numbers below correctly describes 17 mA?a. 0.17 mAb. 0.17 Ac. 0.0017 kAd. 17,000 µA
Answers
The correct option that describes 17mA is option D, 17,000µA.What is an ampere?An ampere is a basic International System unit (SI).
The amount of current that passes through a conductor in one second with a charge of one coulomb is referred to as an ampere. An ampere is also known as an amp.What is milliampere?A milliampere is a one-thousandth (1/1000) of an ampere. This unit is used to measure low current values, typically in electronic circuits and low-power devices.So, 17mA may be represented as 17 x 1000 µA= 17000 µA.How is the conversion of milliampere to microampere done?We know that 1mA= 1000µA; 17mA will be equal to 17*1000 µA= 17,000µA.This answer is the correct one that describes 17mA. It's crucial to know the correct unit when you're measuring current since it can have significant implications for the circuit's overall performance.
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Suppose a manager of a certain mining company wants to determine the weekly food expenditure of the company’s employees. if there are 2,549 employees and the manager decided to use only 500 employees as a sample, who will be included in the sample? to help the manager make his decision, suggest a sampling technique to be used and state the whole process of selecting the participants
Answers
The sampling technique that can be used to selecting the participants will be a random sampling.
What is sampling?It should be noted that sampling simply a method in statistical analysis that predetermined observations are taken from the population.
In this case, the sampling technique that can be used to selecting the participants will be a random sampling. This is need to give everyone an equal chance of being selected.
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Technician A says that a standard grade 5 bolt is stronger than a standard grade 8 bolt. Technician B says that a metric grade 12.9 bolt is stronger than a metric grade 4.6 bolt. Who is correct?
Answers
Since Tech B says that a metric grade 12.9 bolt is stronger than a metric 4.6 bolt. the person that is correct is option b. Tech B.
What grade is a 12.9 bolt?The grade of 12.9 bolt is known to be 1220 (176,000 psi). The alloy carbon steel is said to be one that is often used to make Metric 12.9 Hex Cap Screws that is heat-treated, quenched, as well as tempered.
Their strength is one that is comparable to alloy sockets, and with a proof load of 970 MPa and a minimum tensile strength of 1220 MPa.
Therefore, Since Tech B says that a metric grade 12.9 bolt is stronger than a metric 4.6 bolt. the person that is correct is option b. Tech B.
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See full question below
Tech A says that a standard grade 5 bolt is stronger than a standard grade 8 bolt. Tech B says that a metric grade 12.9 bolt is stronger than a metric 4.6 bolt. Who is correct?
a. Tech A
b. Tech B
c. both
d. neither
HOW MANY TIMES PROPERTIES HAVE BEEN LEASED BY JOHN KAY?
write a sql statement. LNO P NO RENTE RENT PAID PAYME START DAT FINISH DA ----- 10024 PA14 CR62 10075 PL94 CR76 10012 PG21 CR74 10022 PG21 CR62 10023 PG4 CR76 10028 PA14 CR62 10029 PG21 CR12 10030 PD12 CR96 10032 PD12 CR96 10033 PD14 CR12 10038 PA14 CR12 650 VISA 01-JUN-12 01-NOV-12 400 CASH 01-JAN-12 01-AUG-12 700 CHK 01-JUN-12 30-JUN-12 680 MC 01-OCT-12 30-OCT-12 350 MC 01-SEP-12 01-OCT-12 450 CHK 01-JAN-12 01-JUL-12 700 15-MAR-21 15-MAY-21 450 VISA 01-JAN-13 01-FEB-13 550 VISA 01-OCT-13 05-OCT-13 450 MC 01-JAN-17 05-JAN-17 550 MC 20-JAN-17 25-JAN-17 L_NO P_NO RENTE RENT_PAID PAYME START_DAT FINISH_DA 10040 PA01 CR30 10042 PA14 CR30 10014 PL21 CR30 10018 PL21 CR10 10025 PA 14 CR10 550 CHK 05-JUN-20 10-AUG-20 450 CHK 15-DEC-20 10-JAN-21 450 CHK 15-DEC-20 10-JAN-21 650 VISA 15-JAN-21 20-FEB-21 650 VISA 15-MAR-21 20-MAR-21
Answers
Where the name of the table is called "LEASES" and the column of the lessee is called "LESSEE", the SQL statement to to count the number of times the properties hve been leased by John K ay is:
SELECT COUNT (*)
FROM LEASES
WHERE LESSEE = 'John Kay';
What is the explanation for the above SQL Statement?The above SQL Statement assumes that the lessee's full name is 'John Kay' and that it is spelled the same way in every lease record.
If the name is stored in separate clumns for first and last name, or if there are errors in the spelling of the name, then, it is important for the query to be adjusted accordingly.
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