APCPDCL Energy Assistant Model Paper

APCPDCL Junior Lineman Grade II Sample Paper

If the peak value of a certain sine wave voltage is 5V, what is the peak-to-peakvalue ?
(a) 20 V
(b) 10 V
(c) 5 V
(d) 7.07 V

The standard supply frequency in India is
(a) 25 Hz
(b) 50 Hz
(c) 60 Hz
(d) 100 Hz

In a three-phase system, the phase sequence is used to indicate the
(a) Frequency of the voltages
(b) Magnitude of the voltages
(c) Angle between the voltages
(d) Order in which the phase voltages attain their peak values

___________is most suitable for temporary wiring
(a) Cleat Wiring
(b) CTS Wiring
(c) PVC Wiring
(d) PVC Casing & Capping

I.E rule pertaining to earthing is
(a) 89
(b) 90
(c) 88
(d) 87

The specific gravity of an electrolyte is measured with a
(a) Watt meter
(b) Ammeter
(c) Multi meter
(d) Hydro meter

The two element 3-phase energy meter is only suitable for a system of
(a) 1-phase 2-wire
(b) 1-phase 3-wire
(c) 3-phase 3-wire
(d) 3-phase 4-wire

The advantage of moving iron instrument is
(a) Used for both AC and DC
(b) Used in DC only
(c) Used in AC only
(d) Have non uniform scale

The most suitable material for transformer core is
(a) Hot rolled grain-oriented steel
(b) Cold rolled grain-oriented steel
(c) Cast steel
(d) Aluminium