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Study MCQ
Electroplater
BASIC WIRING AND EARTHING
Set 3
Set 3
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Q4731
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What is the law based, on Secondary cell work?
A
Lenz's law
B
Joule's law
C
Faradays laws of electrolysis
D
Faradays laws of electromagnetic induction
Q4732
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In which method the battery is charged at low current for long period?
A
Rectifier method
B
Trickle charging method
C
Constant current method
D
Constant potential method
Q4733
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Which instrument is used to measure the specific gravity of electrolyte in lead acid battery?
A
Barometer
B
Hydrometer
C
Anemometer
D
High rate discharge tester
Q4734
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How the conduit pipes are specified?
A
Length in meter
B
Wall thickness in mm
C
Inner diameter in mm
D
Outer diameter in mm
Q4735
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What is the formula to find voltage drop of a A.C single phase wiring circuit?
A
Voltage drop = IR volt
B
Voltage drop = I<sup>2</sup>R volt
C
Voltage drop = I/R volt
D
Voltage drop=IR/2 volt
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