Basic Science Practice Question and Answer
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Q: Which of the following hitting methods has the highest power factor?
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5ef417b67c1ec61320b5a6c6- 1heating resistancetrue
- 2induction heatingfalse
- 3Arc heatingfalse
- 4Dielectric heatingfalse
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Answer : 1. "heating resistance"
Q: What is the following statements is incorrect.
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5f6051cf2e2c892823458623- 1Photochemical haze always contains ozone.false
- 2The toxic effect of carbon monoxide is more attractive to hemoglobin than oxygen.false
- 3Lead is the most dangerous metal pollutant of automobile exhaustfalse
- 4None of thesetrue
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Answer : 4. "None of these"
Q: What type of waves are there in Radar?
1064 05f912f099e18f97b7040eacf
5f912f099e18f97b7040eacf- 1electric wavesfalse
- 2electromagnetic wavestrue
- 3Sound wavesfalse
- 4None of the abovefalse
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Answer : 2. "electromagnetic waves"
Q: The chemical name of Vitamin C is-
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5f87ef5b58d85e164c53e982- 1Nitric acidfalse
- 2Oxalic acidfalse
- 3Citric acidfalse
- 4Ascorbic acidtrue
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Answer : 4. "Ascorbic acid"
Q: Select the odd from the following.
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5f8fecfb7793eb35d72718c3- 1J.L .Baird — Televisionfalse
- 2J. Parkinson — Penicillinfalse
- 3James Watt — Steam Enginetrue
- 4A. G. Bell — Telephonefalse
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Answer : 3. "James Watt — Steam Engine "
Q: What are the units of electrical conductivity?
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6024f177083f2c6596c16ae6- 1Minutesfalse
- 2Dimensionfalse
- 3Speedfalse
- 4Mahotrue
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Answer : 4. "Maho"
Q: Which of the following is not a fuel gas?
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5f910423891d2b03f20ed925- 1Water gasfalse
- 2Producer gasfalse
- 3Laughing gastrue
- 4Marsh gasfalse
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Answer : 3. "Laughing gas"
Q: Battery's electrode?
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5ef44cbcf2ebd073795bbffb- 1must be a semiconductorfalse
- 2Should be the conductor of electricityfalse
- 3Should be a good conductor of electricitytrue
- 4None of thesefalse
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Answer : 3. "Should be a good conductor of electricity"
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