EE MCQ
EE MCQ
Home
Quiz
Contact Us
Electrical Machines
A 4 pole wave wound dc motor having flux per pole of 9.56 X 10-3 Wb contains 460 armature conductors with armature resistance of 0.6 ohm. Calculate the starting current flowing through the armature if the supply voltage is 240 volt.
800 Amp.
400 Amp.
0.5 Amp.
320 Amp.
800 Amp.
400 Amp.
0.5 Amp.
320 Amp.
Answer
Download EE MCQ app
Related Question
Electrical Machines
An alternator is feeding an infinite busbar. Its prime mover is suddenly shutdown. The alternator will
continue to work as synchronous motor with same direction of rotation.
continue to work as alternator but the direction of rotation will reverse.
come to stand still.
start working as induction motor.
continue to work as synchronous motor with same direction of rotation.
continue to work as alternator but the direction of rotation will reverse.
come to stand still.
start working as induction motor.
Answer
Download EE MCQ app
Electrical Machines
CRGO steel is used in the core of transformer to reduce
eddy current loss.
hysteresis loss.
ohmic loss.
both eddy current and hysteresis loss.
eddy current loss.
hysteresis loss.
ohmic loss.
both eddy current and hysteresis loss.
Answer
Download EE MCQ app
Electrical Machines
Dynamic braking can be used for
shunt motors.
series motors.
All of these
compound motors.
shunt motors.
series motors.
All of these
compound motors.
Answer
Download EE MCQ app
Electrical Machines
A 3-phase, 2 pole, 12 slot synchronous machine is operating at synchronous speed. Find the slot angle?
20°
60°
30°
18°
20°
60°
30°
18°
Answer
Download EE MCQ app
Electrical Machines
An induction motor having 8 poles runs at 727.5 rpm. If the supply frequency is 50Hz, the emf in the rotor will have a frequency of
2.5Hz
48.5Hz
1.5Hz
51.5Hz
2.5Hz
48.5Hz
1.5Hz
51.5Hz
Answer
Download EE MCQ app
Search
Login here
Google
Download our application
Android
Apple
Follow Us
Facebook
Telegram
Instagram