you should always __________ as part of your vehicle maintenance habit

Answer:

Explanation:

It is a device which consists of four layers and two terminals. The construction is almost the same as that of the transistor. But there are certain points which deviate from the construction from the transistor. The differentiating points are-

There is no base terminal in the DIAC

The three regions have almost the same level of doping

It gives symmetrical switching characteristics for either polarity of voltages

DIAC Diode

Answer:

genorator- electrical to mechanical

motor- mechanical to electrical

Incomplete question. The options read;

A. Tech A

B. Tech B

C. Both A and B

D. Neither A nor B.

Answer:

C. Both A and B

Explanation:

Technician B is correct because the technician highlighted valid reasons why draining the compressed air systems is important.

For example, since this system helps to absorb moisture or oil from storage areas they thus need to be drained periodically in other to allow for more absorption space.

Also, the reasons mentioned by Technician A are of course correct because it is generally believed that the application of lubricants such as oil helps to reduce wear and tear.

Answer: hello your question is incomplete below is the complete question

An ideal Otto Cycle has a compression ratio of 9.2 and uses air as the working fluid. At the beginning of the compression process, air is at 98kPa and 20C. The pressure is doubled during the constant volume heat addition process. Assuming constant specific heats, determine:the amount of heat transferred to the air

answer : 609.804 kj/kg

Explanation:

Given data:

compression ratio (r)= 9.2

pressure given(p1) = 98 kPa

Initial temperature =  20 + 273 = 293 k

pressure during constant volume heat addition process = 2p1

note : specific heat at constant pressure and specific heat at  constant volume varies with temperature

we use T = 300k because it is closest to T1 = 293 k

hence at T = 300 K ( ideal gas properties of air )

             \(u_{1}\)   = 214.07 Kj/kg

            \(v _{r1}\) = 621.2

To get  \(v_{r2}\) = \(v_{r1} * \frac{v_{2} }{r}\) = 621.2 * 1 / 9.2 = 67.52

ALSO    at \(v_{r2}\) = 67.52 ( from ideal gas properties )

                \(u_{2}\) = 518.9 kj/kg

                T2 = 708.32 k

next we apply the gas equation

\(\frac{p1v1}{T1} = \frac{p2v2}{T2}\)

hence  p2 = (9.2) * \(\frac{708.32}{293} * 98\) = 2179.59 kpa

to determine T3  due to the constant volume heat addition

\(\frac{T3}{T2} = \frac{P3}{P2}\)

Hence T3 = p3/p2 * T2 = 2( 708.32 ) = 1416.64 k

At T3 = 1416.64 k ( from ideal gas properties )

\(u_{3}\) = 1128.704 kj/kg

\(v_{r3}\) = 8.592

Determine the amount of heat transferred to the air

\(q_{in} = ( u_{3} - u_{2} )\)

     = ( 1128.704  - 518.9 )

     = 609.804 kj/kg

PN junction diode and bipolar junction diode are two types of diodes with distinct characteristics and functionalities.

In summary, the main difference between PN junction diode and bipolar junction diode lies in their construction and operating principles. PN junction diodes are based on a single PN junction and primarily used for rectification, while bipolar junction diodes are composed of multiple regions and employed for signal amplification and switching.

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Answer:

Symbols in The Secret Garden:

The secret garden: The garden seems to be a symbol for Mary’s transformation. She changes from a sickly child to a healthy one. It is a contextual symbol.  

The robin: The robin symbolizes the kindness and compassion of nature. The robin is a contextual symbol.

Spring: The spring season is a symbol for change and new life. It represents these ideas in each of the characters at the end of the story. It is a universal symbol.

Symbols in The Hunger Games:

Katniss’s mockingjay pin: It might stand for rebellion and resistance against the Capitol. It is a contextual symbol.

The mockingjay: The bird itself is a symbol for resistance against the Capitol. It is a contextual symbol.

Bread: It is a symbol for the connection between Katniss and Peeta. It is a contextual symbol.

Symbols in Hatchet:

The hatchet: The hatchet symbolizes survival and self-reliance. The hatchet is a contextual symbol.

The moose and the tornado: Both symbolize confusion and the power nature has over people. They are contextual symbols. However, a tornado can also be a universal symbol for destruction.

The plane: The plane symbolizes the changes in Brian’s life. It represents how Brian moves from one stage of his life to another. It is a contextual symbol.

Symbols in The Red Badge of Courage:

The dead soldier: The dead soldier symbolizes how all things will eventually end. It expresses the idea that accomplishments may mean very little. It is a universal symbol for an end.

Henry’s wound: For Henry, a wound symbolizes a soldier’s bravery at war. It is a contextual symbol.

Flag: A flag symbolizes the values and identity of a state or nation. It also represents the reason why two opposing sides of a war are fighting. A flag is a universal symbol.

Explanation:

These are the answers for Plato,  these are the answers from each novel.

I hope this helps you!

Answer:

the turbine work in MW is   \(\mathbf{W_t = 10.47299 \ kW}\)

Explanation:

Given that:

the inlet temperature = 500°C

pressure = 600 kPa

exit temperature = 45°С

mass flow rate = 11 kg/s

The objective is to find the turbine work  in MW given that the mass flow rate of the steam is at 11 kg/s.

From the steam tables, the data obtained for the enthalpies at the inlet temperature of  500°C and a pressure of  600 kPa is:

\(\mathtt{h_1 : 3482.7 \ kJ/kg}\)

The turbine expansion process is also the isentropic process, as such:

Inlet entropy \(\mathbf{s_1}\) = Exit entropy \(\mathbf{s_2}\)

The data obtained from the steam table for \(\mathbf{s_1}\) = 8.003 kJ/kg.K

\(s_2 = s_{f2}+ x_2 *s_{fg2}\)

The data obtained from the steam tables for this entities are as follows:

\(\mathsf{s_{f2} = 0.638 \ kJ/Kg/K }\)

\(\mathtt{s_{fg2}=7.528 \ kJ/kg/K}\)

since  \(\mathbf{s_1}\) =  \(\mathbf{s_2}\) = 8.003 kJ/kg.K

Therefore;

\(8.003 = 0.638 + x_2 * 7.528\)

\(8.003 -0.638 = 7.528x_2\)

\(7.365= 7.528x_2\)

\(x_ 2= \dfrac{ 7.365}{7.528}\)

\(x_2 = 0.978\)

From the steam tables, the data obtained for the enthalpies at the exit temperature of  45°C and a pressure of  600 kPa is:

\(h_{f2}\) = 188.4

\(h_{fg2\) =2394.9

Thus;

\(h_ 2= 188.4 +0.978*2394.9\)

\(h_ 2=2530.61\) kJ/kg

The workdone for the turbine process can be computed as:

\(\mathsf{W_t = m(h1-h_2)}\)

\(\mathsf{W_t = 11(3482.7-2530.61)}\)

\(\mathsf{W_t = 11(952.09)}\)

\(\mathsf{W_t = 10472.99}\) kW

To MW, we have

\(\mathbf{W_t = 10.47299 \ kW}\)

Answer:

Hope this will help you

Have a good day

When comparing the before-tax MARR (MARRg) to the after-tax MARR (MARRAT), the appropriate formula is MARRAT = MARRg(1 - effective income tax rate).

The income tax rate varies depending on the country and the specific tax laws in place. Different countries have different tax systems and tax rates that are applied to various income levels. Additionally, tax rates can also vary based on factors such as the filing status (individual or joint), deductions, exemptions, and credits. This formula takes into account the effective income tax rate and adjusts the MARR accordingly. The other formulas listed are not correct for comparing before-tax and after-tax MARR. It is important to consider the after-tax MARR when making investment decisions, as it more accurately reflects the actual returns you will receive.

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Answer:

Casual workers

Explanation:

Casual workers are workers on a short-term employment contract that unlike non-permanent workers have restricted entitlement to benefits, little employment security, with the primary distinction of there being a lack of a stable connection or relationship between them and their employers for the to be referred to as employees.

A type of heating and air conditioning system that relies only on heated or cooled water to adjust the air temperature is known as a hydronic system.

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Answer:

if user_tickets == 7:

  award_points = 1

else:

  award_points = user_tickets

Explanation:

Not sure what language you are using. But this can be used for python. Also don't know if you are required to ask the user for any input

Answer:

help me why are you an enginer

Explanation:

because lives

When required to drill holes on a roof that has no power supply the best drill for the job would be a cordless drill.

It should be noted that a power supply is an electrical device which supplies electric power to an electrical load.

In this case, the main purpose of a power supply is simply to be able to convert electric current from the source to the correct current, and frequency.

In this case, the power supply unit converts the main AC to a low-voltage regulated DC power. Therefore, When required to drill holes on a roof that has no power supply the best drill for the job would be a cordless drill.

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Answer:

The answer is below

Explanation:

\(\theta_1=cos^{-1}0.28=73.74^o\ lagging\\\\S_1=125\angle 73.74^o=35\ kW+j120\ kVAR\\\\S_2=10\ kW-j40\ kVAR\\\\S_3=15\ kW\)

Total power = P = 35 kW + 10 kW + 15 kW = 60 kW

Total kVAR = 120 kVAR - 40 kVAR = 80 kVAR

\(Total\ apparent \ power =S= S_1+S_2+S_3=(35+j120)+(10-j40)+(15)\\\\S=60\ kW+j80\ kVAR=100\angle 53.13^o\\\\Current(I)=\frac{S^*}{V^*} \frac{100000\angle -53.13^o}{1400\angle0}=71.43\angle-53.13^o\\ \\Power\ factor (PF)=cos(53.13)=0.6\ lagging\\\\The \ new\ power\ factor\ is\ to \ be\ 0.8[cos^{-1}0.8=36.87^o], hence\ since\ the\ total\ \\real\ power(P)= 60\ kW, the\ capacitor\ kVAR(Q_c)\ is:\\\\Q_c=60tan(53.13)-60tan(36.87)=80-45=35\ kVAR\\\\\)

\(C=\frac{Q_c}{wV^2} =\frac{35000\ VAR}{2\pi*60\ Hz*1400\ V}=47.38\ \mu f\)

New current (I') = \(\frac{S'^*}{V^*}=\frac{60000-j45000}{1400}=53.57\angle-36.87^o\)

Current reduce from 71.43 A to 53.57 A

Answer: the absolute static pressure in the gas cylinder is 82.23596 kPa

Explanation:

Given that;

patm = 79 kPa, h = 13 in of H₂O,

A sketch of the problem is uploaded along this answer.

Now

pA = patm + 13 in of H₂O ( h × density × g )

pA= 79 + (13 × 0.0254 × 9.8 × 1000/1000)

pA = 82.23596 kPa

the absolute static pressure in the gas cylinder is 82.23596 kPa

The smallest acceptable size of the next state register in bits depends on the number of distinct states that need to be represented. It can be determined by finding the minimum number of bits required to uniquely represent all possible states.


To determine the smallest acceptable size of the next state register, we need to consider the number of distinct states the system can have. If the system has N distinct states, the next state register should have enough bits to represent all these states uniquely.
The number of bits required to represent N states can be calculated using the formula: log2(N). This formula represents the base-2 logarithm of N, which gives the minimum number of bits required. It is important to round up the result to the nearest whole number to ensure that all states can be represented.
For example, if a system has 8 distinct states, we would calculate log2(8) = 3, indicating that at least 3 bits are required to represent all the states uniquely. Therefore, the smallest acceptable size of the next state register in this case would be 3 bits.
In general, the size of the next state register should be chosen to accommodate the maximum number of distinct states the system can have, ensuring that all states can be represented without ambiguity.

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Prelab 2: Changing the poles in a system's transfer function affects the time response by altering the system's stability and damping characteristics. Poles are responsible for determining the behavior of the system's transient response.

When the poles are changed in Prelab 2, the time response of the system may exhibit different characteristics such as faster or slower settling time, overshoot, or oscillatory behavior.

The poles of a transfer function are the values of s (complex frequency) that make the denominator of the transfer function zero. These poles play a crucial role in determining the system's stability and response characteristics.

If the poles are moved closer to the origin in the left half-plane, the system becomes more stable. This leads to faster settling time, reduced overshoot, and decreased oscillations. The system response will be smoother and less oscillatory.

On the other hand, if the poles are moved away from the origin or into the right half-plane, the system becomes less stable. This can result in slower settling time, increased overshoot, and potentially even unstable behavior. The system response may exhibit oscillations and may take longer to reach a steady-state.

Changing the poles in a system has a direct impact on its time response. By adjusting the pole locations, it is possible to modify the stability, settling time, overshoot, and oscillatory behavior of the system. Understanding and controlling the pole locations are essential in designing and analyzing dynamic systems.

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Answer:

OBJECTLINE

HIDDEN LINE

SECTION LINE

CENTER LINE

Explanation:

Technician A and Technician B both are correct as brake fluid that is allowed to remain uncovered does absorb water and brake fluid can damage the paint on a vehicle's fender if it is accidentally spilled.

Technician A is correct because brake fluid is hygroscopic, which means it absorbs moisture from the atmosphere. This water can corrode brake parts and lead to failure, as well as increase the fluid's boiling point, leading to brake fade and reduced stopping power.
Technician B is also correct because brake fluid is made up of corrosive materials that can break down paint and other surfaces. If the brake fluid is not cleaned off the fender immediately, it can cause permanent damage to the paint.

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To prepare the hot gas leaving the compressor for condensation, it needs to undergo a process called desuperheating, which involves reducing its temperature.

The hot gas discharged from the compressor is at a significantly higher temperature compared to the condenser line because of the compression process. When the refrigerant is compressed, its pressure and temperature increase. However, the pressure-temperature relationship does not hold true for the discharge line due to the presence of superheated gas. Superheated gas is a state where the refrigerant temperature is higher than its saturation temperature at a given pressure. To facilitate condensation, the hot gas leaving the compressor needs to be desuperheated. Desuperheating involves removing excess heat from the gas to bring its temperature closer to the saturation temperature for a particular pressure.

This is typically achieved by passing the gas through a desuperheater or heat exchanger, where it comes in contact with a cooling medium, such as air or water. The cooling medium absorbs heat from the gas, reducing its temperature. Desuperheating is an important step before condensation because it ensures that the refrigerant is at the appropriate temperature for efficient heat transfer in the condenser. If the hot gas were directly condensed without desuperheating, it could result in inadequate heat rejection, reduced efficiency, and potential damage to the condenser due to excessive heat load. Therefore, desuperheating helps optimize the overall performance and reliability of the refrigeration or air conditioning system.

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Answer:

Engineering law and ethics are the moral codes associated with the field in which engineers are meant to adhere strictly to.

These ethics help in the safety of the engineers as a result of wearing protective clothing being a part of the ethics . Accuracy should also be taken important in research and daily activities. Corrupt practices and activities which poses risk to the environment is also strictly prohibited.

Based on the given statement, the claim made by the author is that the type of sensors shown for a brushless DC motor are Hall effect sensors, proximity sensors, and photoelectric sensors.

The author of the statement is making a claim about the specific type of sensors that are used for a brushless DC motor. According to the author, the sensors used are Hall effect sensors, proximity sensors, and photoelectric sensors.

Hall effect sensors are used to measure the magnetic field of the motor and determine its position and speed. Proximity sensors are used to detect the presence of an object without physical contact and are often used to determine the position of the rotor. Photoelectric sensors use light to detect the position of the rotor and determine its speed.

Therefore, the author's claim is that these three types of sensors are commonly used in brushless DC motors for various purposes, such as position and speed sensing.

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Answer:

A

Explanation:

Answer:

A

Explanation:

The fuse breaks the circuit if a fault in an appliance causes too much current to flow. The fuse contains a piece of wire that melts easily. If the current going through the fuse is too great,the wire heats up until it melts and breaks the circuit

Answer:

We well know that water is a conductor of charges. So, when it is between capacitor plates, the charges flow from positive plate to negative plate hence discharge occurs

Explanation:

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Answer:

Overall project duration

Explanation:

Scheduling can best be defined as the process used to determine a overall project duration.