| 1 |
Which of the following is a supporter of combustion?
|
Cooking gas <br>
Nitrogen gas <br>
Oxygen gas <br>
Producer gas <br>
|
| 2 |
Heavy water is
|
Sea water <br>
D<sub>2</sub>O<sub>2</sub>
H<sub>2</sub>O<sub>2</sub>
None of these <br>
|
| 3 |
The wind energy farm gives information about
|
Causes of wind <br>
Amount of rain fall <br>
Intensity of earthquake <br>
None of these <br>
|
| 4 |
Which of the following can't be used to make a solar cell
|
Silicon <br>
Platinum<br>
Gallium <br>
Germanium<br>
|
| 5 |
The split ring in motion is called
|
Armature <br>
Rotor <br>
Commutator <br>
Core<br>
|
| 6 |
Law of electrolysis is was given by
|
Faraday <br>
Maxwell <br>
Lenz<br>
Bohr <br>
|
| 7 |
Instead of using an AC,what will happen if a refrigerator is placed open in a n air-tight closed room
|
Room will repeatedly become cool and hot alternatively <br>
Room will become cooler <br>
Room Will become hotter<br>
Room's temperature will not change <br>
|
| 8 |
The various distribution circuits are connected in
|
Series <br>
Parallel <br>
Series of parallel <br>
None of these <br>
|
| 9 |
The fuse wire is gen3rally made of
|
Silver<br>
Copper <br>
Thin-lead alloy <br>
Silver & copper <br>
|
| 10 |
The wire having a black plastic cover is a
|
live wire <br>
natural wire <br>
earth wire <br>
none of these <br>
|
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