Engineering Thermodynamics The hard coke is obtained when carbonization of coal is carried out at 900° to 1100°C 700° to 900°C 500° to 700°C 300° to 500°C 900° to 1100°C 700° to 900°C 500° to 700°C 300° to 500°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is heated at constant pressure, the heat supplied Increases the temperature of the gas Both (B) and (C) Increases the internal energy of the gas Does some external work during expansion Increases the temperature of the gas Both (B) and (C) Increases the internal energy of the gas Does some external work during expansion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An open system is one in which Neither mass nor energy crosses the boundaries of the system Mass crosses the boundary but not the energy Mass does not cross boundaries of the system, though energy may do so Both energy and mass cross the boundaries of the system Neither mass nor energy crosses the boundaries of the system Mass crosses the boundary but not the energy Mass does not cross boundaries of the system, though energy may do so Both energy and mass cross the boundaries of the system ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Carnot cycle has maximum efficiency for Petrol engine Irreversible engine Reversible engine Diesel engine Petrol engine Irreversible engine Reversible engine Diesel engine ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Diesel cycle with decrease in cut-off Increases Decreases First decreases and then increases First increases and then decreases Increases Decreases First decreases and then increases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The index of compression ‘n’ tends to reach ratio of specific heats ‘y’ when Process is isentropic Flow is uniform and steady Process is isothermal Process is isentropic and specific heat does not change with temperature Process is isentropic Flow is uniform and steady Process is isothermal Process is isentropic and specific heat does not change with temperature ANSWER DOWNLOAD EXAMIANS APP
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