MCQ-Set-10 Power systems

 Electrical engineering

MCQ related to Testing and Commissioning of Electrical Equipment (TCEE)

Set : 10

91. ..... is used to checked that machine is set in horizontal plane or not ?

A) try square
B) spirit level
C) plane indicator
D) flat detector

... Answer is A)
spirit level

92. spanner is used to...... ?

A) open bolt
B) check level
C) tighten bolt
D) both A & C

... Answer is D)
spanner is used to open or tight nut on bolt

92. which tools is not used for installation of electrical equipments ?

A) spirit level
B) tri square
C) spanner wrenches
D) oil indicator

... Answer is D)
oil indicator

94. Sudden collapse of impulse voltage is called ?

A) impulse voltage
B) chopped waves
C) Deep wave
D) All

... Answer is B)
chopped waves

94. transformer to oil temperature should never exceed.... ?

A) 100°C
B) 85°C
C) 120°C
D) 200°C

... Answer is B)
85°C

96. duration of drying out 11kV transformer ?

A) 1 to 6 day
B) 10 to 30 day
C) 20 to 25 day
D) 1 day

... Answer is A)
1 to 6 day

97. Polarization index related to ...... ?

A) resistance
B) insulation
C) safty
D) conduction

... Answer is B)
insulation

98. In oil maximum proportion of the sludge should be..... by weight ?

A) 3%
B) 1.2%
C) 4%
D) 5%

... Answer is B)
1.2%

99. pour point is the maximum temperature at which the oil starts..... ?

A) flowing
B) increase viscosity
C) boiling
D) evaporates

... Answer is A)
flowing

100. 1st digit of IP indicate protection against..... ?

A) fault
B) firing
C) accidental contact
D) ingress of water

... Answer is C)
accidental contact

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