Course INFORMATION SYSTEM AUDIT AND CONTROL
3. Explain the four broad objectives of the internal control system.

The shear plane angle is approximately -88.43°, and the chip thickness is approximately 8.69 mm.

To determine the shear plane angle and chip thickness in a machining process, we need to consider the rake angle, uncut chip thickness, and chip length obtained.

Given:

Length of the specimen (L): 100 mm

Rake angle (α): 15°

Uncut chip thickness (t₀): 1.5 mm

Chip length obtained (l): 40 mm

The shear plane angle (φ) can be determined using the formula:

tan(φ) = (l - L) / (2 * t₀)

Substituting the given values:

tan(φ) = (40 - 100) / (2 * 1.5)

tan(φ) = -60 / 3

tan(φ) = -20

Now, we can determine the shear plane angle (φ) using the arctan function:

φ = arctan(-20)

φ ≈ -88.43°

Note: The negative value indicates that the shear plane is inclined in the opposite direction to the cutting direction.

The chip thickness (t) can be calculated using the formula:

t = t₀ / cos(φ - α)

Substituting the given values:

t = 1.5 / cos(-88.43° - 15°)

t = 1.5 / cos(-103.43°)

t ≈ 1.5 / 0.1726

t ≈ 8.69 mm

Therefore, the shear plane angle is approximately -88.43°, and the chip thickness is approximately 8.69 mm.

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Possible candidate keys for this automobile dealership include the stock number and the vehicle identification number (VIN), as they are unique identifiers for each vehicle in the dealership's inventory.

The likely primary key would be the stock number or VIN, as they are both unique and can be used to easily search and retrieve information about a specific vehicle.A probable foreign key could be the invoice number, as it may be used to link vehicle information with the dealership's accounting system. For example, a sales transaction for a specific vehicle may reference the invoice number, which can be used to retrieve the invoice cost and other financial information.Potential secondary keys could include the make, model, year, and color of the vehicle. These fields can be used to search and filter the inventory based on specific criteria, such as finding all vehicles of a certain make or year.

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Answer:

The force acting on the sleeve due to the shaft's motion can be calculated using the following formula:

F = 6πμvl

where F is the force, μ is the viscosity of the lubricant, v is the velocity of the shaft, and l is the length of the sleeve.

Plugging in the given values, we get:

2.2 N = 6πμ(6.1 m/s)(0.0508 m)

Solving for μ, we get:

μ = 0.041 Pa⋅s

Therefore, the viscosity of the grease should be 0.041 Pa⋅s to limit the total force on the sleeve to less than 2.2 N.

The flux of momentum in the gap can be calculated using the following formula:

Φ = πμr4v/l

where Φ is the flux of momentum, μ is the viscosity of the lubricant, r is the radius of the shaft, v is the velocity of the shaft, and l is the length of the sleeve.

Plugging in the given values, we get:

Φ = π(0.0254 m)4(0.041 Pa⋅s)(6.1 m/s)/0.0508 m

Φ = 0.047 N⋅s/m

The momentum is being transported in the direction of the shaft's motion, i.e., from the high-pressure end of the gap to the low-pressure end of the gap.

Answer:

What you should do changes based on the hazards you're exposed to.

You should be aware of any hazards that are present.

To compute a paired-samples t-test to determine if overall life stress, on average, increases or decreases with age in the population, you need to compare the two groups (ages) to see if there is a significant difference between the means of their life stress scores.  

Here are the steps to compute a paired-samples t-test:
1. Calculate the mean difference between the two paired samples (Mdiff).
2. Calculate the standard deviation of the differences (SDdiff).
3. Calculate the standard error of the mean difference (SEdiff) using the formula SEdiff = SDdiff / √n, where n is the sample size.
4. Calculate the t-value using the formula t = Mdiff / SEdiff.
5. Compare the t-value to the critical value from the t-distribution table to determine if the difference is statistically significant.

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The question can be approached using the concept of present value of an annuity of $1. The equation for present value of an annuity of $1 is:

PV = A x [(1 - (1 + i)^-n) / i]

FV = 1 x (1 + i ) n

Now, consider the given information: If one robot would prevent injury to soldiers or loss of equipment valued at $1.5 million per year, it would provide an annual payment of $1.5 million. The recovery period is 4 years at 8% per year.The interest rate is 8% and the number of periods is 4 years or 4 periods. Substituting these values in the equation for present value of an annuity of $1, we get:

PV = 1.5 x 10^6 x [(1 - (1 + 0.08)^-4) / 0.08]PV = 1.5 x 10^6 x

[(1 - 0.6355) / 0.08]PV = 1.5 x 10^6 x 8.0293PV = $12,043,950

The military could afford to spend

$12,043,950

now on the robot and still recover its investment in 4 years at 8% per year.

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Explanation:

The three-second rule is recommended for passenger vehicles during ideal road and weather conditions. Slow down and increase your following distance even more during adverse weather conditions or when visibility is reduced. Also increase your following distance if you are driving a larger vehicle or towing a trailer.

The three correctly describes online surveys when compared to paper questionnaires. are given below

b. Reduced cost compared to paper questionnaires

d. Personalized questions are possible with online surveys

e. Faster to develop and distribute than paper questionnaires

Online surveys are a type of market research that involves gathering and analyzing data from a targeted group of people. Through online surveys, businesses and organizations can gain valuable insights into their customers’ needs and preferences. Surveys typically involve asking a series of questions to a group of people who are asked to provide their honest and candid responses.

The data collected can then be used to make decisions on a variety of topics, such as product development, pricing strategies, and marketing initiatives. Online surveys can be administered through a variety of platforms, including email, websites, and social media. They are generally cost-effective and efficient, making them a popular choice for market researchers and businesses alike.

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Answer:

thats a really cool design or whatever you got there.

Explanation:

niceeeeeeee :)

The model shows how photosynthesis cycles matter and energy

Photosynthesis is the process by which green plants, algae, and some bacteria convert light energy into chemical energy in the form of organic compounds, such as glucose. The process occurs in the chloroplasts of the plant cells, which contain the green pigment chlorophyll.

During photosynthesis, light energy is absorbed by chlorophyll and other pigments in the plant's leaves or other photosynthetic organs. This energy is then used to convert carbon dioxide and water into organic compounds, such as glucose, through a series of chemical reactions. Oxygen is also released as a byproduct of this process.

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The equation of yx3 with the given transformations vertical compression by a factor of 17 is,  y = x³ ⇒ y =-1/7(x+8)³

Four distinct ways to modify the position and/or shape of a point, line, or geometric figure are collectively referred to as transformations. The Pre-Image of the object is its initial shape, and the Image, after transformation, is the final shape and location of the object.

Isometry is the name for a transformation that maintains congruence. Alternatively put, a transformation in which the side lengths and angle measurements of the Image and Pre-Image are equal. The isometries of translation, reflection, and rotation. In contrast to reflections and rotations, a translation maintains orientation while also maintaining congruence, which is why it is referred to as a "direct isometry".

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To calculate the variance of this project activity's estimated duration, we can use the formula:

Variance = [(b-a)/6]^2

where a is the optimistic time estimate, b is the pessimistic time estimate, and m is the most likely time estimate.

In this case, the optimistic time estimate (a) is 8, the pessimistic time estimate (b) is 27, and the most likely time estimate (m) is 16.

So, plugging these values into the formula:

Variance = [(27-8)/6]^2
Variance = 3.08

Therefore, the variance of this project activity's estimated duration is 3.08 (rounded to 2 decimal places).

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Answer:

A)

It should be Non- toxic

It should possess high Thermal conductivity

It should have the Required Thermal diffusivity

B)

C)   All the materials are suitable because they serve different purposes when making modern kitchen cookware

Explanation:

A) characteristics required of a ceramic material to be used as a kitchen cookware

B) comparison of three ceramic materials as to their relative properties

C) material most suitable for the cookware.

 All the materials are suitable because they serve different purposes when making modern kitchen cookware

Answer:

i think there are track pants or underwear ahh sorry wrong message

According to federal law, it is illegal to stop your vehicle on railroad tracks. In addition, drivers are required to stop at least 15 feet away from the nearest rail of a railroad crossing if a signal device is not present or is malfunctioning.

If there is a signal device present and it indicates that a train is approaching, drivers must stop their vehicles at a safe distance from the crossing. The reason for this law is to prevent accidents and ensure the safety of drivers and passengers in vehicles, as well as pedestrians and train passengers. Therefore, it is important to always be aware of railroad crossings and to follow the rules of the road when approaching them.

You should not stop on railroad tracks or within 15 feet of the crossing. It is crucial to maintain a safe distance from the tracks to prevent accidents involving trains and vehicles. Remember to always follow traffic signals and laws at railroad crossings to ensure safety for everyone.

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The statements made by both technicians are correct. Thus, the correct option for this question is C, i.e. both A and B.

A technician may be characterized as someone whose job involves skilled practical work with scientific equipment, for example in a laboratory. The role of these people is to repair, install, replace, and service different systems and equipment.

The statement of the technician states that a conditionally-exempt small quantity generator is required to use hazardous waste shipment manifests.

While the statement technician B states that maintaining hazardous waste records may be required for at least three years. Both options are correct with respect to maintaining and degrading hazardous wastes.

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Field relative density (Dr) can be calculated using the relationship between field moist unit weight (γfm) and maximum and minimum dry unit weight (γdmax and γdmin) as follows:$$Dr = \frac{\gamma_{fm} - \gamma_{dmin}}{\gamma_{dmax} - \gamma_{dmin}}$$Given: Field moist unit weight (γfm) = 18.08 kN/m³,

Maximum dry unit weight (γdmax) = 16.93 kN/m³, Minimum dry unit weight (γdmin) = 14.46 kN/m³The field relative density (Dr) can be calculated as follows:$$Dr = \frac{\gamma_{fm} - \gamma_{dmin}}{\gamma_{dmax} - \gamma_{dmin}}=\frac{18.08 - 14.46}{16.93 - 14.46}=0.3939$$Therefore, the field relative density of the construction project is 0.3939 or approximately 39.39% which is less than 50%.Hence, the construction project is in a loose state or in the compaction stage.

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Answer:

A Bipolar Junction Transistor, or BJT, is a solid-state device in which the current flow between two terminals (the collector and the emitter) is controlled by the amount of current that flows through a third terminal (the base).

The main basic function of a BJT is to amplify current it will allow BJTs are used as amplifiers or switches to produce wide applicability in electronic equipment include mobile phones, industrial control, television, and radio transmitters. There are two different types of BJTs are available, they are NPN and PNP.

Peck drilling may be used instead of standard drilling with a 0.25" diameter hole, which is 3 inches deep on an aluminum part, to reduce temperature and tool wear of the bit.

Peck drilling involves retracting the drill bit periodically during the drilling process, allowing for chip evacuation and cooling of the bit. By breaking the drilling operation into smaller increments, heat generated from friction is minimized, thus reducing temperature and tool wear. This technique is particularly beneficial when drilling deep holes or working with materials that have poor thermal conductivity, such as aluminum. Additionally, peck drilling helps to maintain the flutes of the drill bit fully engaged, preventing chip packing and increasing chip length, leading to improved chip evacuation and overall drilling efficiency.

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Construct a finite-state automaton, represent this language with a regular expression, test it against the sets of accepted and rejected cases and explain how a Turing machine would accept the string 10100111000.

a. Construction of finite-state automaton: We can design the finite-state automaton by following the steps below:The initial state should be denoted by the initial arrow. The odd number of 1s can be found by branching out to two separate routes. Once we reach an even number of 1s, we can travel back to the initial state and repeat the process. Finally, we can denote the final state with a double circle.

b. Regular expression for the given language can be written as: $(0^*1^*0^*1)^*$

c. The implementation of the regular expression can be tested against the following sets:Accepted: 01110, 010101, 1101011, 1010011100Rejected: 01010101, 10100111001, 0011, 110101

d. Explanation of Turing Machine: In the case of the input string 10100111000, the input must first be checked to see if it is a valid string. Then, the head should be moved to the right until it reaches the last 0 in the string. The remaining portion of the tape will then be scanned by the head. The machine will accept the input string if the number of 1s is found to be odd.

We can construct a finite-state automaton, represent this language with a regular expression, test it against the sets of accepted and rejected cases and explain how a Turing machine would accept the string 10100111000.

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The mass of the water is 65.5 kg. The weight of the water is 641.9 kgm/s²

The mass of a spherical tank is the space contained in the tank. The mass of the spherical tank can be determined by first finding the volume of the tank, then using the relation of density, mass, and volume to find the mass.

From the given parameter:

The volume of the tank can be determined by using the formula:

\(\mathbf{V = \dfrac{4}{3}\pi r^3}\)

\(\mathbf{V = \dfrac{4}{3}\pi (0.25)^3}\)

V = 0.0655 m³

Using the relation that:

\(\mathbf{Density = \dfrac{mass}{volume}}\)

\(\mathbf{1000 \ kg/m^3= \dfrac{mass}{0.0655 \ m^3}}\)

mass = 1000 kg/m³ × 0.0655 m³

mass = 65.5 kg

The weight of the water can be determined by using the formula:

Weight = mass × gravity (i.e. acceleration due to gravity)

Weight = 65.5 kg × 9.8 m/s²

Weight = 641.9 kgm/s²

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The mass of the water in spherical tank is 65.4kg.

The weight of the water in spherical tank is 640.8 Newtons.

Given the data in the question:

Mass of water; \(m_w = \ ?\)

Weight of water; \(Ww = \ ?\)

Density \(p\) is simply the measure of the compactness of the mass of a substance. It is expressed as;

\(Density = \frac{Mass}{Volume}\)

To determine the mass and weight of the water in spherical tank,

we calculate the Volume of the spherical tank.

\(V = \frac{4}{3}\pi r^3\)

We substitute in our given values

\(V = \frac{4}{3} * \pi * (0.25m)^3\\ \\V = \frac{4}{3} * \pi * 0.015625m^3\\\\V = 0.0654 m^3\)

Now, we calculate the mass of the water; using the expression above.

\(Density = \frac{Mass}{Volume}\\Mass = Density * Volume\\\)

We substitute in our values

\(Mass = 1000kg/m^3 \ *\ 0.0654m^3\\\\Mass = 65.4kg\)

Hence, the mass of the water in spherical tank is 65.4kg.

Next we calculate the Weight which is expressed as;

\(Weight = mass\ *\ Acceleration\ of\ gravity\)

Where acceleration of gravity \(g = 9.8m/s^2\)

We substitute in our values

\(Weight = 65.4kg * 9.8m/s^2\\\\Weight = 640.8kgm/s^2\\\\Weight = 640.8N\)

Therefore, the weight of the water in spherical tank is 640.8 Newtons.

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The possible causal and stable transfer functions H(z) can be determined by manipulating the square-magnitude function and expressing it as a product of two factors, H(z) and H(z-1), and then identifying the causal and stable factor H(z).

To determine all possible causal stable transfer functions H(z) with the given square-magnitude function, we can follow these steps:

Step 1: Given that ∣∣​H(ejω)∣∣​^2 = (1.36 + 1.2cosω)(1.64 + 1.6cosω)^9(1.0625 + 0.5cosω)(1.49 - 1.4cosω), we can rewrite it as:

∣∣​H(ejω)∣∣​^2 = H(z)H(z^-1)∣∣​z=ejω​

Step 2: Multiply both sides by z^-1:

H(z)H(z^-1) = (1.36 + 1.2cosω)(1.64 + 1.6cosω)^9(1.0625 + 0.5cosω)(1.49 - 1.4cosω)z^-1

Step 3: Rearrange the equation to solve for H(z):

H(z) = (1.36 + 1.2cosω)(1.64 + 1.6cosω)^9(1.0625 + 0.5cosω)(1.49 - 1.4cosω)z^-1 / H(z^-1)

Step 4: Simplify the equation and identify the causal and stable factor H(z):

By analyzing the given equation, we can identify the causal and stable factors of H(z) by separating the terms that have positive powers of z and those with negative powers of z.

The causal and stable factor can be expressed as a ratio of polynomials in z, where the numerator includes the positive powers of z and the denominator includes the negative powers of z.

Step 5: Perform any additional simplification or factorization required based on the specific values and expressions provided in the square-magnitude function.

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Answer:

Option A - fail/ not fail

Explanation:

For this given problem, if the yield strength is now 45 ksi, using Distortion Energy Theory the material will _fail______ and using the Maximum Shear Stress Theory the material will ___not fail_______

Answer: B. Chest Harness

Explanation: Safety belts, lifelines, lanyards, and chest harness are all things necessary. The answer to your question is chest harness. Without the chest harness, think about what would happen if someone were to fall. I hope I've helped!

Answer:

Utilizing flush valves for toilets and urinals and/or low-flow versions of each, as well as installing low-flow faucets, or aerators can significantly reduce water use.

Explanation:

Answer:

\(250\ \text{lbm/min}\)

\(625\ \text{ft/min}\)

Explanation:

\(A_1\) = Area of section 1 = \(10\ \text{ft}^2\)

\(V_1\) = Velocity of water at section 1 = 100 ft/min

\(v_1\) = Specific volume at section 1 = \(4\ \text{ft}^3/\text{lbm}\)

\(\rho\) = Density of fluid = \(0.2\ \text{lb/ft}^3\)

\(A_2\) = Area of section 2 = \(2\ \text{ft}^2\)

Mass flow rate is given by

\(m=\rho A_1V_1=\dfrac{A_1V_1}{v_1}\\\Rightarrow m=\dfrac{10\times 100}{4}\\\Rightarrow m=250\ \text{lbm/min}\)

The mass flow rate through the pipe is \(250\ \text{lbm/min}\)

As the mass flowing through the pipe is conserved we know that the mass flow rate at section 2 will be the same as section 1

\(m=\rho A_2V_2\\\Rightarrow V_2=\dfrac{m}{\rho A_2}\\\Rightarrow V_2=\dfrac{250}{0.2\times 2}\\\Rightarrow V_2=625\ \text{ft/min}\)

The speed at section 2 is \(625\ \text{ft/min}\).

(a) The mass flow rate will be "250 lbm/min".

(b) At section 2, the speed will be "625 ft/min".

According to the question,

Section 1 area, A₁ = 10 ft²

Section 2 area, A₂ = 2 ft²

Water's velocity, V₁ = 100 ft/min

Volume at section 1, v₁ = 4 ft³/lbm

(a) We know the formula,

Mass flow rate, m = ρA₁V₁

                              = \(\frac{A_1 V_1}{v_1}\)

By substituting the values,

                              = \(\frac{10\times 100}{4}\)

                              = \(\frac{1000}{4}\)

                              = 250 lbm/min

(2) The speed will be:

→ m = ρA₂V₂

or,

  V₂ = \(\frac{m}{\rho A_2}\)

By substituting the values,

       = \(\frac{250}{0.2\times 2}\)

       = \(\frac{200}{0.4}\)

       = 625 ft/min

Thus the responses above are correct.  

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Answer:

Hello your question is incomplete attached below is the complete question

Answer : Factor of safety for point A :

i) using MSS

(Fos)MSS =  3.22

ii) using DE

(Fos)DE = 3.27

Factor of safety for point B

i) using MSS

(Fos)MSS =  3.04

ii) using DE

(Fos)DE = 3.604

Explanation:

Factor of safety for point A :

i) using MSS

(Fos)MSS =  3.22

ii) using DE

(Fos)DE = 3.27

Factor of safety for point B

i) using MSS

(Fos)MSS =  3.04

ii) using DE

(Fos)DE = 3.604

Attached below is the detailed solution

Answer:

Reduce manufacturing costs.

Explanation:

Hope This Helps

Have A Great Day

An apparatus equipped with a diesel particulate filter (DPF) will have the ability to significantly reduce the amount of harmful particulate matter emissions released into the air.

DPFs are designed to capture and store the soot and other particles produced by diesel engines, preventing them from being released into the environment. This technology has become increasingly important as the harmful effects of particulate matter on human health and the environment have become more widely understood.

However, it is important to note that the use of a DPF also requires proper maintenance and regular cleaning to ensure its effectiveness. Accumulated particulate matter can eventually clog the filter, causing decreased engine performance and potentially damaging the DPF itself. In addition, the use of low-quality fuel or improper engine operation can also negatively impact the DPF's performance.

Overall, an apparatus equipped with a DPF will provide a significant improvement in air quality by reducing harmful particulate matter emissions. However, proper maintenance and attention to fuel quality and engine operation are crucial to ensuring the continued effectiveness of this technology.

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