Mechanical equivalent of heat for 1 kcal or Joule's equivalent is equa – McqOptions

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1.	Mechanical equivalent of heat for 1 kcal or Joule's equivalent is equal to
A.	421 kg.m
B.	421 kg.m
C.	539 kg.m
D.	102 kg.m
Answer» B. 421 kg.m

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