question_answer

A steam engine takes 0.1 kg of steam at \[100{}^\circ C\] per minute and cools it down to \[20{}^\circ C.\]What is the heat rejected by the steam engine per second? [Latent heat of vaporization of steam = 540 cal

A) \[6.2\times {{10}^{4}}cal/\sec \]

B) \[1.03\times {{10}^{3}}cal/\sec \]

C) \[62\times {{10}^{3}}cal/sec\]              

D) None of these