MECH 4 Exam 2 QUESTIONS AND CORRECT
ANSWERS
The advantage of a series configured DC motor is that it can produce __________.
constant speed
high speed
High starting torque
variable speed - CORRECT ANSWERS High starting torque
Which of the following is an advantage of using an electric motor?
Availability of electrical power
Easily controlled with electrical controls
Variety of types to choose from
All of the above
None of the above - CORRECT ANSWERS All of the above
Which of the following is a wiring configuration for a DC motor?
series
Shunt
Compound
All of the above
None of the above - CORRECT ANSWERS All of the above
Which of the following is an application of a DC series motor?
Locomotive
Crane
,Hoist
Correct! All of the above
None of the above - CORRECT ANSWERS All of the above
The primary purpose of the interpoles is to __________.
increase motor speed
help reduce sparking between the commutator and the brushes
make current flow in only one direction
provide a connection between the power source and the commutator - CORRECT
ANSWERS help reduce sparking between the commutator and the brushes
If a motor is too heavy for you to move by yourself, you should __________.
get someone to help you move it
forget about it
take the rest of the day off
move it anyway - CORRECT ANSWERS get someone to help you move it
Which of the following is a category of electric motors?
DC Motors
Universal Motors
AC Motors
All of the above
None of the above - CORRECT ANSWERS All of the above
The __________ is the stationary winding of the electric motor.
stator
, rotor
shaft
armature - CORRECT ANSWERS stator
A DC __________ motor is one that has the field windings connected in series with the
armature
Compound
series
Shunt
servo - CORRECT ANSWERS series
Which of the following is a rule of safe dress around electric motors?
Wear safety glasses
Remove loose items
Tie up long hair
All of the above
None of the above - CORRECT ANSWERS All of the above
The __________ provide a connection between the power source and the commutator on a DC
motor.
armature
Interpoles
brushes
field windings - CORRECT ANSWERS brushes
Which of the following procedures will not reverse the direction of rotation on a DC motor?
ANSWERS
The advantage of a series configured DC motor is that it can produce __________.
constant speed
high speed
High starting torque
variable speed - CORRECT ANSWERS High starting torque
Which of the following is an advantage of using an electric motor?
Availability of electrical power
Easily controlled with electrical controls
Variety of types to choose from
All of the above
None of the above - CORRECT ANSWERS All of the above
Which of the following is a wiring configuration for a DC motor?
series
Shunt
Compound
All of the above
None of the above - CORRECT ANSWERS All of the above
Which of the following is an application of a DC series motor?
Locomotive
Crane
,Hoist
Correct! All of the above
None of the above - CORRECT ANSWERS All of the above
The primary purpose of the interpoles is to __________.
increase motor speed
help reduce sparking between the commutator and the brushes
make current flow in only one direction
provide a connection between the power source and the commutator - CORRECT
ANSWERS help reduce sparking between the commutator and the brushes
If a motor is too heavy for you to move by yourself, you should __________.
get someone to help you move it
forget about it
take the rest of the day off
move it anyway - CORRECT ANSWERS get someone to help you move it
Which of the following is a category of electric motors?
DC Motors
Universal Motors
AC Motors
All of the above
None of the above - CORRECT ANSWERS All of the above
The __________ is the stationary winding of the electric motor.
stator
, rotor
shaft
armature - CORRECT ANSWERS stator
A DC __________ motor is one that has the field windings connected in series with the
armature
Compound
series
Shunt
servo - CORRECT ANSWERS series
Which of the following is a rule of safe dress around electric motors?
Wear safety glasses
Remove loose items
Tie up long hair
All of the above
None of the above - CORRECT ANSWERS All of the above
The __________ provide a connection between the power source and the commutator on a DC
motor.
armature
Interpoles
brushes
field windings - CORRECT ANSWERS brushes
Which of the following procedures will not reverse the direction of rotation on a DC motor?
