Electrical Engineering : Dc Motors QUESTIONS AND ANSWERS :: part5 : 6 to 10
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
6.In variable speed motor |
| a stronger commutating field is needed at low speed than at high speed |
| a weaker commutating field is needed at low speed than at high speed |
| same commutating field is needed at low speed than at high speed |
| none of the above is correct |
7.In the D.C. motor the iron losses occur in |
| the field |
| the armature |
| the brushes |
| the commutator |
8.One D.C. motor drives another D.C. motor. The second D.C. motor when excited and driven |
| runs as a generator |
| does not run as a generator |
| also runs as a motor comes to stop after sometime |
| also runs as a motor comes to stop after sometime |
9.Which of the following tests will be suitable for testing two similar D.C. series motors of large capacity ? |
| Swinburne's test |
| Hopkinson's test |
| Field test |
| Brake test |
10.The speed of a D.C. shunt motor is required to be more than full load speed. This is possible by |
| reducing the field current |
| decreasing the armature current |
| increasing the armature current |
| increasing the excitation current |
More Dc 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
Identify your problems but give your power and energy to solutions- Tony Robbins
