• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

DGVCL Exam Paper (11-12-2011)

DGVCL Exam Paper (11-12-2011)
The picture on the monitor of a computer is made up of tiny coloured dots called

Icons
Spots
Pixels
Points

ANSWER DOWNLOAD EXAMIANS APP

DGVCL Exam Paper (11-12-2011)
If the percentage reactance of the system upto the point of fault is 20% and the base kVA is 10,000 the short ciruit kVA is

50 MVA
10 MVA
60 MVA
20 MVA

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Short circuit kVA = Base kVA/%X

DGVCL Exam Paper (11-12-2011)
If a 5 A fuse is blown frequently in a house lighting circuit, it is required to

Reduce the load
Insert a fuse of higher current rating
Check the load
Insert a fuse of higher voltage rating

ANSWER DOWNLOAD EXAMIANS APP

DGVCL Exam Paper (11-12-2011)
In a power plant, a reserve generating capacity which is not in service but is in operation is known as

Cold reserve
Spinning reserve
Firm power
Hot reserve

ANSWER DOWNLOAD EXAMIANS APP

DGVCL Exam Paper (11-12-2011)
The efficiency of a transformer at full load, 0.8 p.f. lag is 90%. Its efficiency at full load, 0.8 p.f. lead will be

90 %
80 %
Less than 90%
More than 90%

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Efficiency= output power/input power
efficiency = (v*i*cosφ)/((v*i*cosφ)+(x² Pc)+(Pi)) x=fractional part of full load

DGVCL Exam Paper (11-12-2011)
Rated making capacity of a ciruit breaker is equal to

2.55 X rated symmetrical breaking capacity
1.11 X rated symmetrical breaking capacity
Rated symmetrical breaking capacity
√2 X rated symmetrical breaking capacity

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON DGVCL Exam Paper (11-12-2011)

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑