| 1. | Which type of wiring having very long life ? | |
|
conduit wiring
|
||
|
casing capping wiring
|
||
|
batten wiring
|
||
|
cleat wiring
|
||
View Answer
Discuss in Forum
Report Question| 2. | Bucholz relay is operated by ? | |
|
eddy current
|
||
|
gas pressure
|
||
|
electromagnetic induction
|
||
|
electrostatic induction
|
||
| 3. | The main consideration in designing feeders is ? | |
|
current carrying capacity
|
||
|
voltage drop
|
||
|
resistance
|
||
|
transmission voltage
|
||
| 4. | Speed of the ceiling fan is about ? | |
|
up to 10 rpm
|
||
|
up to 200 rpm
|
||
|
up to 450 rpm
|
||
|
up to 10000 rpm
|
||
| 5. | The air preheater in thermal power plant is called as ? | |
|
safety device
|
||
|
efficiency increasing equipment
|
||
|
Starting device
|
||
|
Very essential device
|
||
| 6. | In synchronous motor damper winding is placed at ? | |
|
stator
|
||
|
rotor
|
||
|
both stator and rotor
|
||
|
yoke
|
||
| 7. | LED lamp have a general life expectancy of ? | |
|
1000 hrs.
|
||
|
5000 hrs.
|
||
|
15000 hrs.
|
||
|
50000 Hrs.
|
||
| 8. | Cutting plier use for electrical work must have ? | |
|
High strength
|
||
|
Insulation
|
||
|
Not corrode
|
||
|
sharp
|
||
| 9. | The unit of luminous flux is ? | |
|
Steradian
|
||
|
Candela
|
||
|
Lumen
|
||
|
Lux
|
||
| 10. | A zero watt lamp consumes ? | |
|
No power
|
||
|
About 5 to 7 W power
|
||
|
About 15 to 20 W power
|
||
|
About 25 to 30 W power
|
||