300 questions
1
Mixed
Easy
PYQ
+1.0
-0.33
What is the phase difference between the line voltage and phase voltage in a star-connected load?
2
Mixed
Easy
PYQ
+1.0
-0.33
Calculate the voltage regulation in percentage of the transformer if the no load secondary voltage is 250 V and full load secondary voltage is 200 V?
3
Mixed
Easy
PYQ
+1.0
-0.33
In the open circuit test of a transformer, the supply frequency should be
4
Mixed
Easy
PYQ
+1.0
-0.33
A TRIAC (Triode for Alternating Current) is a device.
5
Mixed
Easy
PYQ
+1.0
-0.33
A DC generator is running at constant speed. If the load current increases, what happens to the terminal voltage?
6
Mixed
Easy
PYQ
+1.0
-0.33
Why is it important for every person to follow safety procedures in the workplace?
7
Mixed
Easy
PYQ
+1.0
-0.33
Which of the following vices consists of a handle and a small collet chuck at one end?
8
Mixed
Easy
PYQ
+1.0
-0.33
What type of components are used for tapping in the ring main system?
9
Mixed
Easy
PYQ
+1.0
-0.33
What is a key advantage of using MOSFETs in electronic circuits compared to other types of transistors?
10
Mixed
Easy
PYQ
+1.0
-0.33
In rotating armature type alternator, magnetic field is produced by