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Q.

The specific heat of air at constant pressure is 1.005 kJ/kg K and the specific heat of air at constant volume is 0.718 kJ/kgK. Find the specific gas constant.

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a

0.21 kJ/kg K

b

0.19 kJ/kg K

c

0.34 kJ/kg K

d

0.287 kj/kg K

answer is A.

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Detailed Solution

Cp=1.005kj/kg−k;Cv=0.718kj/kg−kCp−Cv=r⇒r=1.005−0.718=0.287kj/kg−k

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