ISRO Technician-B Electrician Question Paper - 2016 (Set - 1) with Answer Key

ISRO Technician-B Electrician Question Paper - 2016 (Set - 1) with Answer Key

6) Which is the following plant free from environmental pollution

Answer is:

Hydroelectric

7) Which type of motor is used in ceiling fan

Answer is:

Permanent capacitor start

8) A ceiling fan of blade size 1400mm (56 inches) will have motor rating

Answer is:

50 to 70 W

9) A shunt DC motor armature resistance is 1 ohm and field coil resistance is 100 ohms. Back emf constant is 9 volts for 100 RPM. The DC supply voltage is 100 V and it is running with a speed 1000 RPM. What is DC supply current?

Answer is:

11A

10) What is the major cause for open in the Armature circuit?

Answer is:

Bad brush tension