In commercial cylinders, a plastic or ____ seal is used to form a tight barrier to prevent fluid from escaping around the piston.

A. rubber
B. brass
C. steel
D. aluminum


Answer: A

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A BLDC motor draws an armature current of 20 A when the torque is 50 Nm. The motor is driven from a dc source of 200 V. The armature resistance of the motor is 0.5 V. Compute the speed of the motor at a modulation factor of 100%.

What will be an ideal response?

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What does blue exhaust smoke indicate?

A) Excessive fuel B) Burning oil C) Insufficient oil D) Coolant in combustion chamber.

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Cap screws are:

A) The same as machine screws B) Also called machine bolts C) Square headed D) Precision screws

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This is any cross sectional measurement at any two adjacent points.

A. actual mating size B. actual size C. actual local size D. none of the above

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