Science GK Practice Question and Answer
8 4 4 4 Q:
5f9130e59e18f97b7040f069 4 Q:
5f91312cd6785c0fc0d915c2 4 Q:
5ef44d082d6fc772f50b9543 4 4 4 Q:
5ef417197c1ec61320b5a64d Answer : 2. "synchronous motor"
Q: What among following is used to produce artificial rain ? 1943 05c2dbc879fd00135a4b21168
5c2dbc879fd00135a4b21168- 1copper oxidefalse
- 2carbon monoxidefalse
- 3silver iodidetrue
- 4silver nitratefalse
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Answer : 3. "silver iodide"
Q: Who is regarded as father of modern chemistry ? 1848 05c2dbb7eaea81766da94cac5
5c2dbb7eaea81766da94cac5- 1Ruterfordfalse
- 2Einsteinfalse
- 3Lavoisiertrue
- 4C V Ramanfalse
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Answer : 3. "Lavoisier"
Q: What of the following statements is incorrect?
1827 05f9130e59e18f97b7040f069
5f9130e59e18f97b7040f069- 1Iron sinks in waterfalse
- 2Wood floats on waterfalse
- 3Mercury floats on watertrue
- 4Iron floats in mercuryfalse
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Answer : 3. "Mercury floats on water"
Q: Which vitamin is high in orange?
1818 05f91312cd6785c0fc0d915c2
5f91312cd6785c0fc0d915c2- 1Dfalse
- 2Afalse
- 3Ctrue
- 4Bfalse
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Answer : 3. "C"
Q: Metal plate The metal used in the takri?
1807 05ef44d082d6fc772f50b9543
5ef44d082d6fc772f50b9543- 1Copper oxide and coppertrue
- 2Zinc chloride and carbonfalse
- 3Germanium and siliconfalse
- 4None of thesefalse
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Answer : 1. "Copper oxide and copper"
Q: Which of the following gas is used in cigarette lighters ? 1800 05c2dc437f11ee42b64688ffd
5c2dc437f11ee42b64688ffd- 1Butanetrue
- 2Propanefalse
- 3Methanefalse
- 4Ethanefalse
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Answer : 1. "Butane"
Q: The metallurgical process in which a metal is obtained in a fused state is called ? 1782 05c2dc37df11ee42b64688ff3
5c2dc37df11ee42b64688ff3- 1roastingfalse
- 2calcinationsfalse
- 3smeltingtrue
- 4froth floatationfalse
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Answer : 3. "smelting"
Q: Most commonly used motor in motor generator sets of high capacity?
1715 05ef417197c1ec61320b5a64d
5ef417197c1ec61320b5a64d- 1Cage Model Induction Motorfalse
- 2synchronous motortrue
- 3DC Compounder Motorfalse
- 4None of the abovefalse
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Answer : 2. "synchronous motor"
Explanation :
The tendency nowadays is to use synduction or synchronous motors. The synduction motor resembles an induction motor but runs at synchronous speed.
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