Basic General Knowledge
Who was the first Indian Chief of Army Staff of the Indian Army ?

Gen. Maharaja Rajendra Singhji
Gen. K.M. Cariappa
None of the listed here
Vice-Admiral R.D. Katari

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Basic General Knowledge
DRDL stands for

None of the listed here
Defence Research and Development Laboratary
Differential Research and Documentation Laboratary
Department of Research and Development Laboratory

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Basic General Knowledge
On a night when the sky is clear, the temperature may dip considerably; on a cloudy night the temperature will usually dip much less. The reason for this difference is that

the clear sky allows the cold of outer space to reach the earth
current of air carry the heat away from the earth on a clear night
the clear sky allows radiant energy to escape readily from the earth
on a cloudy night the clouds are warm and therefore retard the cooling

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