Engineering Thermodynamics The amount of heat generated per kg of fuel is known as Heat energy Lower calorific value Calorific value Higher calorific value Heat energy Lower calorific value Calorific value Higher calorific value ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition for the reversibility of a cycle is All the processes, taking place in the cycle of operation, must be extremely slow All of these The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process The working parts of the engine must be friction free All the processes, taking place in the cycle of operation, must be extremely slow All of these The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process The working parts of the engine must be friction free ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle is also known as Constant temperature and pressure cycle Constant temperature cycle Constant volume cycle Constant pressure cycle Constant temperature and pressure cycle Constant temperature cycle Constant volume cycle Constant pressure cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the Carnot cycle may be increased by Increasing the highest temperature Increasing the lowest temperature Decreasing the highest temperature Keeping the lowest temperature constant Increasing the highest temperature Increasing the lowest temperature Decreasing the highest temperature Keeping the lowest temperature constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The polytropic index (n) is given by log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) log [(p1v1)/(p2v2)] log (p1p2)/log (v1v2) log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) log [(p1v1)/(p2v2)] log (p1p2)/log (v1v2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An open system is one in which Mass does not cross boundaries of the system, though energy may do so Mass crosses the boundary but not the energy Both energy and mass cross the boundaries of the system Neither mass nor energy crosses the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Mass crosses the boundary but not the energy Both energy and mass cross the boundaries of the system Neither mass nor energy crosses the boundaries of the system ANSWER DOWNLOAD EXAMIANS APP