VSSC Electrician Paper 2019

Vikram Sarabhai Space Center Electrician Paper 2019

If capacitance of three capacitors are in the ratio 1:2:3 and the voltage across them are in the ratio 3:2:1, what is the ratio of energy stored in the capacitors?
(a) 3 : 4 : 3
(b) 9 : 8 : 3
(c) 1 : 4 : 9
(d) 3 : 8 : 9

Inter poles in DC machines are used to
(a) Reduce the effect of armature reaction
(b) Reduce the effect of cogging
(c) Reduce the effect of crawling
(d) None of these

Which motor is used for power factor improvement?
(a) Induction motor
(b) Under exited synchronous motor
(c) DC series motor
(d) Over exited synchronous motor

For factor is the ratio of
(a) Average value to peakvalue
(b) Peak value to average value
(c) Average value to RMS value
(d) RMS value to average value

The condition for maximum efficiency in transformer is
(a) Copper loss is equal to zero
(b) Core loss is equal to zero
(c) Copper loss is equal to core loss
(d) Both (a) and (b)

In DC generator armature reaction is produced by
(a) Armature current
(b) Field current
(c) Both field and armature current
(d) Either field or armature current

SWG is used to measure
(a) Diameter
(b) Resistance
(c) Insulation
(d) All the above

ELCB is used to protect the circuit from
(a) Over current
(b) Over voltage
(c) Leakage current
(d) All the above

The line voltage in three phase delta connection
(a) Same as the phase voltage
(b) Two times phase voltage
(c) Three times the phase voltage
(d) None of these

Typical voltage range of a solar cell is
(a) 0.3 V
(b) 0.5 V
(c) 0.7 V
(d) 1.0 V
If you are searching electrician previous question then You may also check these model paper for updating your knowledge
Electrician model question paper
Electrician Practice Paper
Electrician Technician Sample Paper
Electrician Question Bank
Electrician Paper for Practice
Electrician trade model paper
Electrician Study Material
Electrician Sample Paper