im doing a a load schedule so
my questiom is:
how do i get operating load for a AC units im going to do??
do i add up all the powers of each unit or do i pick one rating and aplly a formula??
how exactly do i get operating load and what is operating load???

Answer:

measures, dissolves, liquid, carbon dioxide, evaporates, water vapor, mold, decompose

The expression for the angular momentum of a system of particles about an axis through some point in space is given as L = Iω Where, L = angular momentum, I = moment of inertia, ω = angular velocity

Angular momentum is a vector quantity that is a measure of the amount of rotation of an object. It depends on the mass distribution of the object and its angular velocity or rotational speed.The moment of inertia is a property of an object that determines how difficult it is to change its rotation. It depends on the mass distribution of the object and the distance of each mass element from the axis of rotation.

Angular velocity is a measure of the speed of rotation of an object about an axis. It is defined as the rate of change of angular displacement with respect to time. The expression for the angular momentum of a system of particles about an axis through some point in space is given as L = Iω.

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Answer:

  see attached

Explanation:

As you know, a full adder produces the binary value in (carry, output) that is the the number of true input bits among the (carry in, A, B) inputs.

The annotated diagram attached shows the bit values for a 4-bit full adder/subtractor.

__

Additional comment

If the numbers are considered "signed", then the top diagram will generate an "overflow" based on the difference between the carry C4 and the output O4.

Answer:

A comprehensive Invitation for Bid (IFB) solicitation will describe the planned project in detail, lay out submission requirements including deadlines, project scope and duration, minimum qualifications, mandatory service standards, and required warranties.

The voltage regulators control the alternator output by controlling the field current through the rotor, so Technician B is correct.

Voltage regulators control the alternator output by regulating the field current through the rotor. The voltage regulator is an integral part of the alternator system and is responsible for monitoring the electrical output of the alternator and adjusting the field current to maintain a stable voltage.

The voltage regulator continuously monitors the electrical system's voltage and sends a signal to the alternator to adjust the field current accordingly. If the voltage drops below the desired level, the regulator increases the field current, which boosts the alternator's output. Conversely, if the voltage rises above the desired level, the regulator decreases the field current to reduce the alternator's output.

While computers and electronic control systems are used in modern vehicles to monitor and control various aspects of the electrical system, such as engine performance and emissions, they do not directly control the output of the alternator by manipulating the field current. The voltage regulator is responsible for that task.

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Answer:

do the wam wam

Explanation:

The heat flux is =1038kW/m² , the heat lost per hour is =259.5 kW, the heat lost per hour using a sheet of soda- lime glass.

The thickness of steel( t) = 10mm = 10× 10^-³m

The temperature difference on both sides = 300-100

∆T = 200°C

But the formula for heat flux = q = k∆T/t

Where K = thermal conductivity for steel = 51.9W/mK.

Substitute the variables into the formula for heat flux;

q = 51.9 × 200/10 × 10-³

q = 10380 × 10³/10

q = 10380000/10

q = 1038000 W/m² = 1038kW/m²

To calculate the heat lost per hour if the cross sectional area is = 0.25 m2 use the formula q × A

= 1038kW/m² × 0.25 m2

= 259.5 kW.

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Answer:

True

Explanation:

they put it through a process to be able to reuse it

A rotor has been refinished on an off-car brake lathe. you should do all of the following except Make sure it has a non-directional finish.

 A rotor is a rotating component of a machine, such as an electric motor or a turbine. It is typically made of a metal or composite material and is designed to spin at high speeds. Rotors are used in a variety of applications, such as in electric motors, turbines, and pumps. In electric motors, the rotor is the part that rotates and is connected to the stator, which is the stationary part of the motor. The rotor is typically made up of a series of magnets or coils that interact with the stator to generate a magnetic field. This magnetic field is used to generate torque, which is then used to rotate the rotor. In turbines, the rotor is the part that rotates and is connected to the blades, which are used to convert the energy of the moving fluid into mechanical energy. In pumps, the rotor is the part that rotates and is connected to the impeller, which is used to move fluid. Rotors are also used in measuring devices, such as laser rangefinders, to measure distances.

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Answer:

Technician A

Explanation:

The brake fluid switch or the brake switch is a sensor provided in the master cylinder monitors the brake fluid level in the vehicle. It is found inside the brake fluid reservoir. When the brake fluid level is too low, it warns the ABS by sending a signal. This device keeps us and the vehicle safe.

Thus in the context, technician A is correct.

The stress at the inner surface of section A-A is 50.93 N/mm². The stress at the outer surface of section A-A is 0.97 N/mm².

The cross-sectional area of the hook is given by the formula:

A = πd²/4

A = (3.14159) × (20 mm)²/4

A = 314.16/4

A = 78.54 mm²

The normal stress can be calculated using the formula:

σ = F/A

σ = 4,000 N/78.54 mm²

σ = 50.93 N/mm²

Thus, the stress at the inner surface of section A-A is 50.93 N/mm².

If the outer diameter of the hook is D, then the outer radius will be

R = D/2 = 75/2 = 37.5 mm.

The cross-sectional area of the hook at the outer surface can be calculated as:

A = πR² - πd²/4

A = (3.14159) × (37.5 mm)² - (3.14159) × (20 mm)²/4

A = 4,409.2 mm² - 314.16/4

A = 4,124.9 mm²

The normal stress at the outer surface can be calculated using the formula:

σ = F/A

σ = 4,000 N/4,124.9 mm²

σ = 0.97 N/mm²

Thus, the stress at the outer surface of section A-A is 0.97 N/mm².

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Answer:

Valvoline™ ZEREX™ Asian Vehicle has been designed to meet the requirements of Asian manufacturers, which specify a silicate free HOAT formula with a phosphate additive to protect their cooling systems from rust and corrosion. Available in both red and blue formulas to better match your Asian vehicle’s specific requirements.

Explanation:

ZEREX Asian Vehicle Antifreeze/Coolant is specifically formulated to meet the requirements of Asian vehicle manufacturers (Toyota , Lexus , Scion and others) requiring a red, silicate free Hybrid Organic Acid Technology (HOAT) with a phosphate additive.

Answer:poat formulation

Explanation:

Answer:

What are some of the scalability issues in large IoT systems?

IoT Scalability Issues: 5 Essential Considerations

Large Wireless System Capacity. ...

Simplified Network Planning and Setup. ...

Interoperable Architecture. ...

Remote Network and Device Management. ...

Flexible and Scalable Software Infrastructure. ...

5 Common Myths about LPWAN for IoT Debunked.

Explanation:

The contact ratio and diametrical pitch of a gear system with an 18-tooth pinion and a 36-tooth gear, a 20° pressure angle, and a 10-inch center distance were calculated.

The contact ratio, which represents the number of teeth in contact at any given moment, was found to be 2.25. The diametrical pitch, which is the number of teeth per inch of pitch diameter, was calculated to be 3.6.

In a gear system, the contact ratio is influenced by factors such as the number of teeth, the pressure angle, the pitch diameter, and the center distance between the two gears. It is important to have a high contact ratio in order to achieve smooth power transfer and avoid premature gear wear.

In this particular system, the stub teeth on the pinion and the full-depth involute teeth on the gear were considered, along with the pressure angle, center distance, and number of teeth to calculate the contact ratio. The diametrical pitch, on the other hand, was calculated by dividing the number of teeth by the pitch diameter, which is a critical parameter in the design and manufacture of gears.

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The values for the datatypes variable after the following statement executes are: ch = '2', x = 76

What is datatype?

Data types describe the kinds of values that a variable can store. They establish the kind of operations that can be carried out on the data, the amount of memory needed to hold the data, and the possible range of values. Integer, float, double, char and boolean are a few examples of common data types. A boolean datatype stores either true or false values, while a float or double data type stores floating point numbers, a char data type stores single characters, a string data type stores a series of characters, and an integer data type stores full integers. The type of data to be saved and the unique program requirements both influence the datatype to be used.

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Answer: A. whether his geology studies exposed him to principles of geotechnical engineering

Explanation:

The options include:

a. whether his geology studies exposed him to principles of geotechnical engineering

b. the size of the geology program he attended

c. the size of the architecture firm

d. whether the architecture firm was intending to offer Miguel a full-time position

Since Miguel, is a former geology student with experience as an intern at an architecture firm, and Sarah is considering him for an assistant site investigation position, the option that will be relevant for her to make a decision is to know whether his geology studies exposed him to principles of geotechnical engineering.

Geotechnical engineering, is a branch of engineering that makes use of principles of rock mechanics to solve engineering challenges. Since Sarah needs him for an assistant site investigation position, he'll need to investigate souls, rocks and evaluate them.

Answer:

using standardized parts

Explanation:

"Le Plongeur," the world's inaugural type of machine-powered submarine, was conceived by Henri Dupuy de Lôme and Siméon Bourgeois in 1859.

Through its usage of a steam engine to propel a solitary propeller, the ingenious vessel exemplified modernity as it consumed coal from an inboard bunker to generate steam which activated pistons so as to drive the said propeller beneath the waves.

Furthermore, notable features such as ballast tanks that enabled balancing and alteration of depth, concurrent with a snorkel for air intake whilst submerged, further set "Le Plongeur" apart as a maritime feat of engineering.

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Answer:

The Dependent Variable is the Effect, Its value depends on changes from the Independent Variable

Hope this Helps

The correct option for the sentence "When would you tend to prefer polling to interrupts in interacting with an I/O device" is:

a. when the device supports many commands

b. when the device can perform a command quickly

c. when the interrupt handler table is very large.

There are a few scenarios where polling may be preferred over interrupts when interacting with an I/O device. One such scenario is when the device supports many commands. With polling, the system can continuously check the status of the device to see if it is ready for the next command, whereas with interrupts, the device would need to interrupt the processor every time it is ready for a new command, potentially causing more overhead.
Another scenario where polling may be preferred is when the device can perform a command quickly. If the device can complete a command quickly, the overhead of setting up an interrupt and interrupt handler may outweigh the benefits. Polling can allow for more efficient use of system resources in this case.
On the other hand, if the interrupt handler table is very large, it may be more efficient to use interrupts instead of polling. Interrupts can be more efficient in this scenario because they allow for a more streamlined way of handling multiple devices. The interrupt handler table can efficiently manage all the interrupt requests from different devices, without having to continuously check their status through polling.
In summary, the choice between polling and interrupts will depend on the specific characteristics of the I/O device and the system resources available. It is important to consider the trade-offs between the two approaches when making this decision.

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Answer:

A Document in a flowchart  represents a printout, for instance a document or a report.

Flowcharts are used in planning and documenting basic process or projects. Like different sorts of outlines, they help imagine what is happening and along these lines help comprehend a process, and maybe additionally find more subtle highlights inside the process.

Explanation:

A flowchart is essentially a graphical portrayal of steps. It shows steps in consecutive request and is generally used in introducing the progression of calculations or work process. Regularly, a flowchart shows the means as boxes of different sorts, and their request by interfacing them with bolts.

It is likewise a kind of graph that speaks to a work process or cycle. A flowchart can likewise be characterized as a diagrammatic portrayal of a calculation, a bit by bit way to deal with settling an assignment.

The flowchart shows the means as boxes of different sorts, and their request by associating the containers with bolts. This diagrammatic portrayal outlines an answer model to a given issue. Flowcharts are used in investigating, planning, reporting or dealing with a process or program in different fields.

The initial enthalpy and the entropy of the saturated water can be found out from the table of A-12E

i.e.   \($h_1= 101 \ \text{Btu/lbm}$\)

       \($s_1 = 0.22717 \text{ Btu/lbmR}$\)

Since the process mentioned above is an adiabatic compression process, the entropy will remain constant throughout the process. Therefore, we take the value of entropy and the final pressure using the table with few interpolations and also approximations to find the final enthalpy. It is given by :

       \($h_2= 116.09 \text{ Btu/lbm}$\)

So the work input from the energy balance equation :

       \($\dot{W} + \dot{m}h_1 = \dot{m}h_2$\)

          \($w=h_2 - h_1$\)

              = 116.09 - 101

              = 15.09

Therefore, \($w= 15.09 \text{ Btu/lbm}$\)

The bonding means required in 501.30(a) are generally required to be installed from the hazardous (classified) location to the point of grounding of a separately derived system that is the source of the circuit.

Bonding means in hazardous locations, as specified in 501.30(a), serve the purpose of establishing an effective electrical bond between the hazardous location and the grounding system of a separately derived system that supplies power to the location. This bonding is necessary to prevent the accumulation of static electricity or the development of potential differences that could lead to the ignition of flammable substances present in the hazardous area.

In hazardous locations, there is a higher risk of the release of flammable gases, vapors, or dust particles, which can create a hazardous atmosphere. The bonding means, typically in the form of conductive paths or conductive equipment, ensure that any potential difference or electrical charge is safely discharged, reducing the risk of sparks or arcs that could trigger an explosion.

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The clutch slave cylinder is a component of a hydraulic clutch system that is responsible for disengaging the clutch when the driver depresses the clutch pedal.

When the clutch pedal is pressed, the master cylinder sends hydraulic fluid through the clutch line to the slave cylinder. The hydraulic fluid pressure then pushes a piston inside the slave cylinder, which in turn pushes against the clutch release arm. This releases the pressure on the clutch plate, allowing the engine to spin freely from the transmission. Therefore, to disengage the clutch, the clutch slave cylinder receives hydraulic fluid pressure from the master cylinder, which then pushes a piston to release the clutch.

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Answer:

Technician A is correct.

Two technicians are discussing a starter that clicks once when turning the key to the crank position. Technician A is correct. The correct option is A.

An electromagnet known as a starter solenoid is activated to turn on an internal combustion engine's starter motor. The starter solenoid then connects two contacts or metal points as the key is turned.

The starter motor receives electrical currents from the ignition through the solenoid in this way. This sets off a series of electrical reactions that ultimately start the combustion engine. The multifunctional crankshaft position sensor regulates ignition timing, measures RPM, and determines relative engine speed.

The solenoid is likely defective, and the starter may sustain serious damage as a result, if the starter engages but does not disengage when you release the key.

Therefore, the correct option is A. Technician A.

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Answer:

a) C1 = 3C2

b) C1 = 1 , C2 = -3  

c) \(w = \frac{-x^2}{2} + \frac{y^2}{2} + 3xy + C\)

d) (v.v)T = 0

Explanation:

u = 3x + C1y

v = x + C2y

A) determining all  stagnation points

At The stagnation points : u = 0, v = 0

for all  values of C1 and C2 , C1 = 3C2

B) The coefficients of C1 and C2 so that the flow is potential

C1 = 1 , C2 = -3  

C) Determine the expression of the stream function

\(w = \frac{-x^2}{2} +\frac{y^2}{2} +3xy+ C\)

D) The value of (v.v)T at the point (x,y) = (1,2)

(v.v)T = 0

Attached is the detailed solution

Answer:

The answer will be B i hope this helps