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Andru [333]
3 years ago
10

The alternator produces direct current, which is changed to alternating current by the diodes.

Engineering
1 answer:
exis [7]3 years ago
8 0

Answer:

False

Explanation:

<u>Alternat</u>or produces <u>alternat</u>ing current  ....diodes convert this to direct current

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5 0
3 years ago
Read 2 more answers
3. Assertive communication means:
natta225 [31]

Answer:

A. Confidently and directly communicating what you think and feel, without being aggressive or passive.

Explanation:

Assertive communication is the ability to express both positive and negative ideas in a way that it is a honest and direct message. It doesn't mean to say things to the other person with the intent of causing harm or making them feel better, it's just saying things as they are.

7 0
2 years ago
A motor vehicle engine operating with a diesel engine takes in atmospherics air at a temperature of 30°C and pressure of 1 bar.
nydimaria [60]

Answer:

η=0.568

Explanation:

At inlet condition

temperature = 30 C and pressure P=1 bar

The maximum temperature = 13456 C

Compression ratio r= 12

We know that for process 1-2

\dfrac{T_2}{T_1}=r^{\gamma -1}

\dfrac{T_2}{303}=12^{1.4 -1}

T_2=818.68 K

Now for process 2-3

\dfrac{T_3}{T_2}=\dfrac{V_3}{V_2}

\dfrac{273+1345}{818.86}=\dfrac{V_3}{V_2}

\dfrac{V_3}{V_2}=1.97

So the cut off ratio ρ=1.97

Efficiency of diesel engine

\eta =1-\dfrac{\rho ^{\gamma}-1}{r^{\gamma -1}\gamma \left (\rho -1\right )}

Now put the values

\eta =1-\dfrac{1.97 ^{1.4}-1}{12^{1.4-1}\times 1.4\times \left (1.97 -1\right )}

   ⇒η=0.568

So the efficiency is 56.8%.

4 0
3 years ago
The best approach to keeping your car in safe working order is to
Soloha48 [4]

Answer:

Explanation:

Your car's owner's manual will provide a maintenance schedule designed to keep your brakes in good condition. Following it is the easiest way to avoid expense repairs and the potential for catastrophic brake failure. But at the very least, you should have your brakes inspected every year.

3 0
4 years ago
Read 2 more answers
You should read the lifts safety and operating instructions only if you havent used the automotive lift before
xenn [34]
False

Safety and operating instructions should be reviewed every time before usage. Following a checklist saves life, limb and equipment.
7 0
3 years ago
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