EE MCQ
EE MCQ
Home
Quiz
Contact Us
Electrical Machines
A 4 pole 50 Hz induction motor is running at 1470 rpm. What is the slip value?
0.02
0.04
0.4
0.2
0.02
0.04
0.4
0.2
Answer
Download EE MCQ app
Related Question
Electrical Machines
Two of supply terminals to a 3 - Φ induction motor get interchanged during re-connection after normal maintenance. When switched on the supply, the motor will
not start at all.
rotate in the same direction as before maintenance.
rotate in direction opposite to that before maintenance.
get heated and damaged.
not start at all.
rotate in the same direction as before maintenance.
rotate in direction opposite to that before maintenance.
get heated and damaged.
Answer
Download EE MCQ app
Electrical Machines
Two synchronous generators operating in parallel 200 MW and 400 MW respectively. The drooping characteristics of their governors are identical as 4% from no load to full load. Consider the governors operating at 50Hz on no load. What is the operating frequency, if the load is 600 MW?
50 Hz
48 Hz
45 HZ
48.5 Hz
50 Hz
48 Hz
45 HZ
48.5 Hz
Answer
Download EE MCQ app
Electrical Machines
Silicon content in steel lamination is kept within 5% as it
Increases cost.
increases hysteresis loss.
makes the material brittle.
All of these
Increases cost.
increases hysteresis loss.
makes the material brittle.
All of these
Answer
Download EE MCQ app
Electrical Machines
Consider the following statements : 1. interpole windings are connected in series with armature windings 2. polarity of interpoles must be the same as that of the main poles in advance 3. distortion of the main field under the pole shoes is not affected by the use of interpoles From above, the correct answer is
1 and 2
1 and 3
2 and 3
1 alone
1 and 2
1 and 3
2 and 3
1 alone
Answer
Download EE MCQ app
Electrical Machines
For a DC machine having P no of pole pairs, Z no of conductors having length L of resistivity ρ and cross section S are arranged. what is the armature resistance for simple wave-winding ?
PZL/4S
PZL/ 4Sa
PZL/4Sa²
PZL/4Sp²
PZL/4S
PZL/ 4Sa
PZL/4Sa²
PZL/4Sp²
Answer
Download EE MCQ app
Search
Login here
Google
Download our application
Android
Apple
Follow Us
Facebook
Telegram
Instagram