Electrical Engineering : Dc Motors QUESTIONS AND ANSWERS :: part4 : 1 to 5
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
1.The armature voltage control of D.C. motor provides |
| constant voltage drive |
| constant current drive |
| constant torque drive |
| none of the above |
2.Which of the following loss in a D.C. generator varies significantly with the load current ? |
| Field copper loss |
| Windage loss |
| Armature copper loss |
| None of the above |
3.Which of the following motors is most suitable for signalling devices and many kinds of timers ? |
| D.C. shunt motor |
| D.C. series motor |
| Induction motor |
| Reluctance motor |
4.If the speed of a D.C. shunt motor is increased, the back e.m.f. of the motor will |
| increase |
| decrease |
| remain same |
| become zero |
5.If a D.C. motor designed for 40�C ambient temperature is to be used for 50�C ambient temperature, then the motor |
| of lower H.P. should be selected |
| of higher H.P. should be selected |
| can be used for 50�C ambient temperature also |
| is to be derated by a factor recom-mended by manufacturer and select the next higher H.P. motor |
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
The only place where success comes before work is in the dictionary.- Vidal Sassoon
