Rotating Electric Machines LAP1: DC Series Motors -
Questions And Accurate Answers
Electric motors rely on the principle of _______ to convert electrical power into
mechanical power
A. Capacitance
B. Inductance
C. Resistance
D. Gravity Right Ans - Resistance (C)
The ____ is the stationary winding of the electric motor.
A. Stator
B. Rotor
C. Shaft
D. Armature Right Ans - Stator (A)
Which if the following us an advantage of using an electric motor?
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 Right Ans - 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 Right Ans - 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 Right Ans - All of the above (D)
Which of the following is a rule of safe dress around electric motors?
A. Wear Safety Glasses
B. Remove loose items
C. Tie up long hair
D.All of the above
E. None of the above Right Ans - 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 Right Ans - 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 Right Ans - 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
Right Ans - Help reduce sparking between the commutator and the brushes
(B)
The ____ provide a connection between the power source and the commutator
on a DC motor
A. armature
B. Interpoles
C. Brushes
D. Field windings Right Ans - Brushes (C)
Questions And Accurate Answers
Electric motors rely on the principle of _______ to convert electrical power into
mechanical power
A. Capacitance
B. Inductance
C. Resistance
D. Gravity Right Ans - Resistance (C)
The ____ is the stationary winding of the electric motor.
A. Stator
B. Rotor
C. Shaft
D. Armature Right Ans - Stator (A)
Which if the following us an advantage of using an electric motor?
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 Right Ans - 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 Right Ans - 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 Right Ans - All of the above (D)
Which of the following is a rule of safe dress around electric motors?
A. Wear Safety Glasses
B. Remove loose items
C. Tie up long hair
D.All of the above
E. None of the above Right Ans - 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 Right Ans - 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 Right Ans - 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
Right Ans - Help reduce sparking between the commutator and the brushes
(B)
The ____ provide a connection between the power source and the commutator
on a DC motor
A. armature
B. Interpoles
C. Brushes
D. Field windings Right Ans - Brushes (C)
