Home
10th Grade
11th And 12th
11th Grade
12th Grade
3rd Grade
4th Grade
5th Grade
6th Grade
7th Grade
8th Grade
9th Grade
Advance Accountancy
Auditing
Computer Aptitude
Direct And Indirect Taxation
Exams
General Hindi
Indian Finance System
Information Technology And Application In Business
Macro Economics
Town Planning
Aerospace And Aeronautical
Analytical Instrumentation
Banking Awareness
Banking Exam
Biochemistry
Bioinformatics
Biology
Biotechnology
Business Statistics
C Program
C Programming
C++ Programming
Career Aptitude Test
Cell Biology
Central Superior Service (css)
Chemical Engineering
Chemistry
Civil Engineering
Commerce
Computer
Computer Fundamentals
Computer Science
Cost Accounting
Css
Database
Drug And Pharmaceutical Biotechnology
Ecat And Mcat Entry Test
Economics
Electrical Engineering
Electrical Engineering Questions
Electrical Measurement And Instrumentation
Engineering
English
English Literature
Environment Management
Environmental Biotechnology
Enzyme Technology
Financial Management And Financial Markets
Gate
General Knowledge
Graduate Assessment Test (gat)
Health And Physical
Heat Transfer
Html
Human Anatomy And Physiology
Human And Cultural Diversity
Human Resource Management
Ias
Indian Economy
Indian Economy
Indian General Awareness
Indian Geography
Indian Geography
Indian History
Indian History
Indian Polity
Instrumentation Transducers
International Relations
Java Program
Javascript
Judiciary And Law
Life Sciences
Management
Marketing And Marketing Management
Mass Transfer
Mechanical Engineering
Mechanics Of Materials
Medical Subjects
Microbiology
Networking
Php
Placement Tests
Professional Communication
Quantitative Aptitude
Reasoning Aptitude
Renewable Energy
Science
Sociology
Sql
Surveying
Total Quality Management
Uidai Aadhaar Supervisor Certification
Virology
Notificatin
Exam
Blog
Contact Us
Switchgear Protections(Engineering > Electrical Engineering ) Questions and Answers
Home
Topic
Engineering
Electrical Engineering
Switchgear Protections
Question 1.
The power loss is an important factor for the design of
transmission line
motor
generator
feeder
Explanation:-
Answer: Option A. ->
transmission line
Question 2.
The single phasing relays are used for the protection of
single phase motors only
two phase motors only
two single phase motors running in parallel
three phase motors
Explanation:-
Answer: Option D. ->
three phase motors
Question 3.
The contacts of high voltage switches used in power system are submerged in oil. The main purpose of the oil is to
lubricate the contacts
insulate the contacts from switch body
extinguish the arc
all of the above
none of the above
Explanation:-
Answer: Option C. ->
extinguish the arc
Question 4.
To limit short-circuit current in a power system are used
earth wires
isolators
H.R. fuses
reactors
Explanation:-
Answer: Option D. ->
reactors
Question 5.
Series capacitors are used to
compensate for line inductive reactance
compensate for line capacitive reactance
improve line voltage
none of the above
Explanation:-
Answer: Option A. ->
compensate for line inductive reactance
Question 6.
In a single bus-bar system there will be complete shut down when
fault occurs on the bus itself
fault occurs on neutral line
two or more faults occur simultaneously
fault occurs with respect to earthing
Explanation:-
Answer: Option A. ->
fault occurs on the bus itself
Question 7.
A differential relay measures the vector difference between
two currents
two voltages
two or more similar electrical quantities
none of the above
Explanation:-
Answer: Option C. ->
two or more similar electrical quantities
Question 8.
With which of the following, a circuit breaker must be equipped for remote operation ?
Inverse time trip
Time-delay trip
Shunt trip
None of the above
All of the above
Explanation:-
Answer: Option C. ->
Shunt trip
Question 9.
A switchgear is device used for
interrupting an electrical circuit
switching an electrical circuit 111
switching and controlling an electrical circuit
switching, controlling and protecting the electrical circuit and equipment
Explanation:-
Answer: Option D. ->
switching, controlling and protecting the electrical circuit and equipment
Question 10.
A _______ is used to measure the stator % winding temperature of the generator.
thermocouple
pyrometer
resistance thermometer
thermometer
Explanation:-
Answer: Option C. ->
resistance thermometer
1
2
3
4
5
6
7
...
20
21
Next →
One click Login
Login With Google
Old way of Login
Login With Email