WorksheetsUnit 5 - D.C. & A.C. Motors (2)
Total questions: 15
Worksheet time: 1hrs 15mins
Identify the slip rings in the figure here:
A
B
C
D
Identify the armature in the figure here:
A
B
C
D
Identify the carbon brushes in the figure here:
A
B
C
D
A commutator would be found in what type of motor?
A.C.
D.C.
Both A.C. & D.C.
Neither A.C. or D.C.
Slip rings would be found in what type of motor?
A.C.
D.C.
Both A.C. & D.C.
Neither A.C. or D.C.
If the machines input is mechanical energy and the output electrical energy then that machine is a
Vice
D.C.
Generator
Motor
If the machines input is electrical energy and the output mechanical energy then the machine is a
Vice
A.C.
Generator
Motor
What are the three types of DC motors:
(Select 3 answers)
Series
Squirrel cage
Shunt
Compound
What starter is used to start-up a squirrel cage induction motor?
DOL
Star-detla
Stator Resistance
Autotransformer
What starter is used with heavy loads?
Direct-On-Line
Rotor Resistance
Autotransformer
Star Delta
An electric motor is connected to a motor starter to:
(Select 2 answers)
Improve the efficiency of the motor
Provide the initial starting torque for the motor
Reduce heavy starting currents
Provide overload and no-volt protection
What type of motor is this?
Split-Phase motor
Capacitor-start motor
Capacitor-start Capacitor-run motor
Permanent-split capacitor motor
What type of motor is this?
Split-phase motor
Capacitor-start motor
Capacitor-start capacitor-run motor
Permanent-split capacitor motor
Which type of motor is this?
Split-phase
Capacitor-start motor
Capacitor-start Capacitor-run motor
Permanent split-capacitor motor
What type of motor is this?
Split-phase motor
Capacitor-start motor
Shade-pole motor
Permanent-split capactor motor
