Electrical Engineering : Switchgear Protections QUESTIONS AND ANSWERS :: part2 : 21 to 25
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
21.Which of the following is the least expensive protection for overcurrent is low voltage system ? |
| Rewireable fuse |
| Isolator |
| Oil circuit breaker |
| Air break circuit breaker |
22.To protect most of the electrical equipment handling low power, the types of relays used are |
| thermocouple |
| electronic and bimetallic |
| both (a) and (b) |
| none of the above |
23.Protective relays are devices that detect abnormal conditions in electrical circuits by measuring |
| current during abnormal condition |
| voltage during abnormal condition |
| constantly the electrical quantities which differ during normal and abnormal conditions |
| none of the above |
24.Ungrounded neutral transmission system is not recommended because of system |
| insulation being overstressed due to pver voltages |
| insulation overstress may lead to failure and subsequent phase to phase faults |
| being inadequately protected against ground fault |
| all of the above |
More Switchgear Protections 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
