In order to double fan RPM, the motor horsepower

A) Must increase by a factor of 4 (2 × 2 ) B) Must increase by a factor of 8 (2 × 2 × 2 )
C) Will not be affected by the fan RPM D) Must also double


B

Trades & Technology

You might also like to view...

What is a blind hole?

a. A hole that goes all the way through the part. b. A hole that is always made from the backside of the part. c. A hole that only goes partially through the part.

Trades & Technology

A four-stroke engine produces equal torque at all times.

Answer the following statement true (T) or false (F)

Trades & Technology

The rate of travel or speed at which the weld progresses along the joint affects ____.

A. the size and shape of the weld B. the width, reinforcement, and penetration of the weld C. the strength, appearance, and possible acceptance of the joint D. the reinforcement, width, and appearance of the weld

Trades & Technology

What time of day should be avoided when watering lawns because of the possibility of promoting diseases?

a. late morning c. early evening or later b. afternoon d. early morning

Trades & Technology