Car Repairman Question:
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As the number of cylinders in multi cylinder engines increases the power to weight ratio ………
a. Remains the same
b. Increases
c. Becomes zero
d. Decreases

Answer:

b. Increases

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The temperature of the piston will be more at
a. The piston walls
b. The crown of the piston
c. The skirt of the piston
d. The piston pin
If compression ratio is increased
a. Thermal efficiency will be increased
b. Volumetric efficiency will be increased
c. Air standard efficiency will be decreased
d. Air standard efficiency will be increased