Engineering Thermodynamics In a no flow reversible process for which p = (-3V + 15) × 105 N/m², V changes from 1 m3 to 2 m3. The work done will be about 1 × 10⁵ joules 10 × 10⁵ kilo joules 10 × 10⁵ joules 100 × 10⁵ joules 1 × 10⁵ joules 10 × 10⁵ kilo joules 10 × 10⁵ joules 100 × 10⁵ joules ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Those substances which have so far not been resolved by any means into other substances of simpler form are called Compounds Molecules Elements Atoms Compounds Molecules Elements Atoms ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The more effective way of increasing efficiency of Carnot engine is to Decrease lower temperature Decrease higher temperature Increase higher temperature Increase lower temperature Decrease lower temperature Decrease higher temperature Increase higher temperature Increase lower temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A closed system is one in which Mass does not cross boundaries of the system, though energy may do so Neither mass nor energy crosses the boundaries of the system Mass crosses the boundary but not the energy Both energy and mass cross the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Neither mass nor energy crosses the boundaries of the system Mass crosses the boundary but not the energy Both energy and mass cross the boundaries of the system ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Compressed air coming out from a punctured football May become hotter or cooler depending upon the humidity of the surrounding air Becomes hotter Remains at the same temperature Becomes cooler May become hotter or cooler depending upon the humidity of the surrounding air Becomes hotter Remains at the same temperature Becomes cooler ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle Maximum temperature is higher Expansion and compression are isentropic Combustion is at constant volume Heat rejection is lower Maximum temperature is higher Expansion and compression are isentropic Combustion is at constant volume Heat rejection is lower ANSWER DOWNLOAD EXAMIANS APP
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