Electric Machinery (7th Edition, 2014 –
Fitzgerald, Kingsley & Umans) |
Solutions Manual with Step-by-Step
Answers PDF
electric motors rely on the principle of _______ to convert electrical power into mechanical
power
A. Capacitance
B. Inductance
C. Resistance
D. Gravity - answer-Resistance (C)
The ____ is the stationary winding of the electric motor.
A. Stator
B. Rotor
C. Shaft
D. Armature - answer-Stator (A)
Which if the following us an advantage of using an electric motor?
1
,A. Availability of electrical power
B. Easily controlled with electrical controls
C. Variety of types to choose from
D.All of the above
E. None of the above - answer-All of the above (D)
Which of the following is a disadvantage of using an electric motor ?
A. Short service life
B. Can only produce rotart motion output
C. Heating
D.All of the above
E. None of the above - answer-heating (C)
Which of the following is a category of electric motors?
A. DC Motors
B. Universal Motors
C. AC Motors
D.All of the above
E. None of the above - answer-All of the above (D)
Which of the following is a rule of safe dress around electric motors?
2
, A. Wear Safety Glasses
B. Remove loose items
C. Tie up long hair
D.All of the above
E. None of the above - answer-All of the above (D)
If a motor is too heavy for you to move by yourself you should, ______
A. Get someone to help you move it
B. Forget about it
C. Take the rest of the day off
D. move it anyway - answer-Get someone to help you move it (A)
Which of the following is not a component of DC motor?
A. Interpoles
B. armature
C. Bearing
D. Commutator - answer-Bearing (C)
The Primary purpose of the interpoles is to..
A. increase motor speed
B. Help reduce sparking between the commutator and the brushes
C. make current flow in only one direction
D. Provide a connection between the power source and the commutator - answer-Help reduce
sparking between the commutator and the brushes (B)
3
Fitzgerald, Kingsley & Umans) |
Solutions Manual with Step-by-Step
Answers PDF
electric motors rely on the principle of _______ to convert electrical power into mechanical
power
A. Capacitance
B. Inductance
C. Resistance
D. Gravity - answer-Resistance (C)
The ____ is the stationary winding of the electric motor.
A. Stator
B. Rotor
C. Shaft
D. Armature - answer-Stator (A)
Which if the following us an advantage of using an electric motor?
1
,A. Availability of electrical power
B. Easily controlled with electrical controls
C. Variety of types to choose from
D.All of the above
E. None of the above - answer-All of the above (D)
Which of the following is a disadvantage of using an electric motor ?
A. Short service life
B. Can only produce rotart motion output
C. Heating
D.All of the above
E. None of the above - answer-heating (C)
Which of the following is a category of electric motors?
A. DC Motors
B. Universal Motors
C. AC Motors
D.All of the above
E. None of the above - answer-All of the above (D)
Which of the following is a rule of safe dress around electric motors?
2
, A. Wear Safety Glasses
B. Remove loose items
C. Tie up long hair
D.All of the above
E. None of the above - answer-All of the above (D)
If a motor is too heavy for you to move by yourself you should, ______
A. Get someone to help you move it
B. Forget about it
C. Take the rest of the day off
D. move it anyway - answer-Get someone to help you move it (A)
Which of the following is not a component of DC motor?
A. Interpoles
B. armature
C. Bearing
D. Commutator - answer-Bearing (C)
The Primary purpose of the interpoles is to..
A. increase motor speed
B. Help reduce sparking between the commutator and the brushes
C. make current flow in only one direction
D. Provide a connection between the power source and the commutator - answer-Help reduce
sparking between the commutator and the brushes (B)
3
