Everyday Science
Earthing wire is used in AC power circuit wring for protective grounding. Which colour insulation is done over it as per BIS code?
Green and Yellow
Blue and Brown
Black and Red
White and Gray
Green and Yellow
The colour of earth wire is generally green in colour green wire stands for grounding / earthing in an electric circuit.
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A. uniform
B. not uniform
C. zero
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In the body, the weight of blood is about
A. 1/12th of body
B. 1/5th of body
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D. 1/4th of body
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A. Iron
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C. Carbon
D. Copper
The energy stored in coal is
A. kinetic energy
B. potential energy
C. chemical energy
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A human breath per minute is
A. 16-30 times
B. 16-20 times
C. 15-20 times
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Symbol of Copper is
A. Ca
B. Cl
C. Co
D. Cu
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