Car Repairman Question:
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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

Answer:

d. Air standard efficiency will be increased

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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
The characteristic of an object which makes it resist any tendency to change its direction of motion is
called
a. Inertia
b. Power
c. Internal energy