Question 1

Manual push-button starters are designed for infrequent starting of __________.

Accepted Answer

A)  small AC motors
B)  large DC motors
C)  small DC motors
D)  large AC motorsE) B) and D)
F) None of the above

Question 2

Common applications of automatic starters provide control of small machine tools, fans, pumps, oil burners, blowers, and unit heaters.

Accepted Answer

A) True 
 B)False  False

Question 3

Thermal overload units are widely used on both the fractional and integral horsepower manual starters for protection of motors from sustained electrical overcurrents that could result from overloading of the driven machine or from ____.

Accepted Answer

A)  excessively low line voltage
B)  excessively low power load
C)  excessively high line voltage
D)  excessively high power loadE) B) and C)
F) A) and D)

Question 4

In the event of a power failure, a manual starter motor automatically restarts when the power returns.

Accepted Answer

A) True 
 B)False

Question 5

A manual starter is a(n) _________with motor overload protection.

Accepted Answer

A)  pressure switch
B)  limit switch
C)  on-off switch
D)  float switchE) A) and B)
F) B) and D) C

Question 6

Only one overload relay is required in either the single-pole or double-pole motor starter.

Accepted Answer

A) True 
 B)False

Question 7

Large motors should be connected directly across the line on startup.

Accepted Answer

A) True 
 B)False  False

Question 8

Manual push-button starters may be used to control single-phase motors rated up to_____________ .

Accepted Answer

A)  5 hp
B)  10 hp
C)  15 hp
D)  20 hpE) A) and B)
F) A) and C)

Question 9

When an overload relay trips, the starter mechanism unlatches, opening the contacts to stop the motor.

Accepted Answer

A) True 
 B)False

Question 10

A motor may draw up to a____________ percent current surge on starting.

Accepted Answer

A)  100
B)  300
C)  600
D)  900E) A) and C)
F) None of the above

Exam 2: Fractional and Integral Horsepower Manual Motor Starters

Manual push-button starters are designed for infrequent starting of __________.

Correct Answer
verified

Common applications of automatic starters provide control of small machine tools, fans, pumps, oil burners, blowers, and unit heaters.

Correct Answer
verified
False

Thermal overload units are widely used on both the fractional and integral horsepower manual starters for protection of motors from sustained electrical overcurrents that could result from overloading of the driven machine or from ____.

Correct Answer
verified

In the event of a power failure, a manual starter motor automatically restarts when the power returns.

Correct Answer
verified

A manual starter is a(n) _________with motor overload protection.

Correct Answer
verified
C

Only one overload relay is required in either the single-pole or double-pole motor starter.

Correct Answer
verified

Large motors should be connected directly across the line on startup.

Correct Answer
verified
False

Manual push-button starters may be used to control single-phase motors rated up to_____________ .

Correct Answer
verified

When an overload relay trips, the starter mechanism unlatches, opening the contacts to stop the motor.

Correct Answer
verified

A motor may draw up to a____________ percent current surge on starting.

Correct Answer
verified

Exam 2: Fractional and Integral Horsepower Manual Motor Starters

Manual push-button starters are designed for infrequent starting of __________.

Correct AnswerverifiedShow Answer

Common applications of automatic starters provide control of small machine tools, fans, pumps, oil burners, blowers, and unit heaters.

Correct AnswerverifiedFalse

Thermal overload units are widely used on both the fractional and integral horsepower manual starters for protection of motors from sustained electrical overcurrents that could result from overloading of the driven machine or from ____.

Correct AnswerverifiedShow Answer

In the event of a power failure, a manual starter motor automatically restarts when the power returns.

Correct AnswerverifiedShow Answer

A manual starter is a(n) _________with motor overload protection.

Correct AnswerverifiedC

Only one overload relay is required in either the single-pole or double-pole motor starter.

Correct AnswerverifiedShow Answer

Large motors should be connected directly across the line on startup.

Correct AnswerverifiedFalse

Manual push-button starters may be used to control single-phase motors rated up to_____________ .

Correct AnswerverifiedShow Answer

When an overload relay trips, the starter mechanism unlatches, opening the contacts to stop the motor.

Correct AnswerverifiedShow Answer

A motor may draw up to a____________ percent current surge on starting.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified
False

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
C

Correct Answer
verified

Correct Answer
verified
False

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified