MCQOPTIONS
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MCQOPTIONS
| 1. |
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 |
| Answer» C. \[62\times {{10}^{3}}cal/sec\] | |