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

Question

1. The most economical speed for an electrical motor is about 1800 revolutions per minute.
2. It has been suggested that synchronous motors are more expensive to install than squirrel cage motors if the rating
exceeds 1 hp.
3. Laser light is directional.
4. Offset drives, such as V-belts, gears, and chain drives, can be lined up more easily than direct drives.
5. Five quantities must be known if the machinery is to be set up with the correct pulley sizes.

Answer 1

1. TRUE
2. FALSE
3. TRUE
4. TRUE
5. FALSE