Breaking News
Home » MCQs ( With Explanatory Answers) » Three Phase Induction Motors MCQs with Explanatory Answers

Three Phase Induction Motors MCQs with Explanatory Answers

Three Phase Induction Motors MCQs with Explanatory Answers

1. If the frequency of 3-phase supply to the stator of 3-phase induction motor is increased, then synchronous speed is ________?
  1. Increased
  2. Decreased
  3. Remain unchanged
  4. None of the above

Show Explanatory Answer

Show Explanatory Answer

Answer:        1.           Increased
Explanation:   As we know that;   f = NSP/ 120
It is clear that f ∝ NS i.e., frequency (f) is directly proportional to the Synchronous speed (NS).
In more clear words, when frequency increases, Speed also increases.

EasyEDA: Ideas for Circuit Design, Innovation for Electronics Access
Free Circuit Design: Schematic - Simulation - PCB Layout - Gerber Viewer
Cheapest PCB Prototype: Only $2 for 10pcs, 24 hours Quick Turn, DHL Delivery in 3 days

About Electrical Technology

All about Electrical & Electronics Engineering & Technology. Follow , Facebook , Twitter , Instagram , Pinterest & Linkedin to get the latest updates or subscribe Here to get latest Engineering Articles in your mailbox. Also, Follow

Check Also

MCB or MCCB - Difference in IEC Standards - IEC 60898-1 & IEC 60947-2

Difference Between MCB & MCCB According To IEC Standards

MCB or MCCB – Difference in IEC Standards (IEC 60898-1 & IEC 60947-2) Circuit breakers …

6 comments

  1. Wow! In the end I got a weblog from where I be capable of genuinely get helpful information regarding my <br />study and knowledge.|<br /><br />My web blog <a href="http://pityprogramy.pl&quot; rel="nofollow">druk PIT-28 wytworzysz gratis programem Pit 2014</a>

  2. sibani sankar pani

    very nice

  3. how i go next question

  4. really good site ……………….

  5. sir,pls more detaile about all type of motor.

  6. sir please detail send about Signal phase and Three phase motor , Synchronous motor

Leave a Reply

Your email address will not be published. Required fields are marked *