ONLINE MCQ EE-TRANSMISSION AND DISTRIBUTION 2

Q11. In a D.C. 3-wire distribution system,
balancer fields are cross-connected in
order to
 A.  boost the generated voltage
 [Wrong Answer]
 B.  balance loads on both sides of the
neutral
 [Wrong Answer]
 C.  make both machines run as unloaded
motors
 [Wrong Answer]
 D.  equalize voltages on the positive
and negative outers
 [Correct Answer]
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Q12. The power transmitted will be maximum
when
 A.  corona losses are minimum
 [Wrong Answer]
 B.  reactance is high
 [Wrong Answer]
 C.  sending end voltage is more
 [Correct Answer]
 D.  receiving end voltage is more
 [Wrong Answer]
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Q13. Transmission voltage of 11 kV is normally
used for distances upto
 A.  20-25 km
 [Correct Answer]
 B.  40-50 km
 [Wrong Answer]
 C.  60-70 km
 [Wrong Answer]
 D.  80-100 km
 [Wrong Answer]
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Q14. By which of the following a bus-bar is
rated ?
 A.  Current only
 [Wrong Answer]
 B.  Current and voltage
 [Wrong Answer]
 C.  Current, voltage and frequency
 [Wrong Answer]
 D.  Current, voltage, frequency and
short time current
 [Correct Answer]
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Q15. Aluminium has a specific gravity of
 A.  1.5
 [Wrong Answer]
 B.  2.7
 [Correct Answer]
 C.  4.2
 [Wrong Answer]
 D.  7.8
 [Wrong Answer]
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Q16. In the analysis of which of the following
lines shunt capacitance is neglected ?
 A.  Short transmission lines
 [Correct Answer]
 B.  Medium transmission lines
 [Wrong Answer]
 C.  Long transmission lines
 [Wrong Answer]
 D.  Medium as well as long transmission
lines
 [Wrong Answer]
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Q17. The following system is not generally
used
 A.  1-phase 3 wire
 [Wrong Answer]
 B.  1-phase 4 wire
 [Correct Answer]
 C.  3-phase 3 wire
 [Wrong Answer]
 D.  3-phase 4 wire
 [Wrong Answer]
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Q18. The top most conductor in a high transmission line is
 A.  earth conductor
 [Correct Answer]
 B.  R-phase conductor
 [Wrong Answer]
 C.  Y-phase conductor
 [Wrong Answer]
 D.  B-phase conductor
 [Wrong Answer]
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Q19. In which of the following voltage
regulators the effect of dead zero is
found ?
 A.  Electromagnetic type
 [Correct Answer]
 B.  Magnetic amplifier
 [Wrong Answer]
 C.  Electronic type using integrated
circuits
 [Wrong Answer]
 D.  All of the above
 [Wrong Answer]
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Q20. If string efficiency is 100 percent it
means that
 A.  potential across each disc is zero
 [Wrong Answer]
 B.  potential across each disc is same
 [Correct Answer]
 C.  one of the insulator discs is shorted
 [Wrong Answer]
 D.  none of the above
 [Wrong Answer]
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ONLINE MCQ EE-TRANSMISSION AND DISTRIBUTION 4
ONLINE MCQ EE-TRANSMISSION AND DISTRIBUTION 1

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