Electrical Engineering : Polyphase Induction Motors QUESTIONS AND ANSWERS :: part2 : 16 to 20
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
16.When the equivalent circuit diagram of doouble squirrel-cage induction motor is constructed the two cages can be considered |
| in series |
| in parallel |
| in series-parallel |
| in parallel with stator |
17.Slip ring motor is recommended where |
| speed control is required |
| frequent starting, stopping and reversing is required |
| high starting torque is needed |
| all above features are required |
18.The 'crawling" in an induction motor is caused by |
| high loads |
| low voltage supply |
| improper design of machine |
| harmonics developed in the motor |
19.It is advisable to avoid line-starting of induction motor and use starter because |
| motor takes five to seven times its full load current |
| it will pick-up very high speed and may go out of step |
| it will run in reverse direction |
| starting torque is very high |
20.Low voltage at motor terminals is due to |
| inadequate motor wiring |
| poorely regulated power supply |
| any one of the above |
| none of the above |
More Polyphase Induction Motors QUESTIONS AND ANSWERS available in next pages
-
Health is the greatest gift, contentment is the greatest wealth -Buddha
- TNTET 2021 - Practice
- SSC CGL 2021 - Practice
- TNPSC Group 2A 2021 - Practice
- IIT JEE
- IIT JEE Q&A
- TNPSC Answer Keys
- TNPSC Group 2 Syllabus
-
TNPSC Q&A
- Online Tests - TNPSC
- Online Tests - GK
- IBPS 2020-2021
- Online Tests - Bank
- Online Tests - RRB NTPC
- Online Tests - UGC NET
- Online Tests - TANCET
- Online Aptitude Test
-
Engineering
-
Programming
-
Basic Science
-
Quiz
- Plus Two Question Papers
- SSLC Question Bank
-
Aptitude Tests
-
Logical Reasoning
-
General Knowledge-Hindi
-
Indian History MCQ
-
Indian Geography MCQ
-
Indian Civics MCQ
-
Indian Economics MCQ
-
CTET Biology MCQ
-
CTET Chemistry MCQ
-
CTET Physics Solved MCQ
-
Arithmetic Tests
- Press Release
- FAQ
- Coaching Centres
- TNPSC Group 1 Syllabus
-
TNPSC Group IV Syllabus
- TRB 2017 in English PDF
- TRB 2017 in Tamil PDF
- TET
- TNTET
Opportunity is missed by most people because it is dressed in overalls and looks like work.- Thomas Edison
