Engineering Thermodynamics The hard coke is obtained when carbonization of coal is carried out at 500° to 700°C 700° to 900°C 900° to 1100°C 300° to 500°C 500° to 700°C 700° to 900°C 900° to 1100°C 300° to 500°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of specific heat at constant pressure (cp) is __________ that of at constant volume (cv). None of these Less than Equal to More than None of these Less than Equal to More than ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The entropy __________ in an irreversible cyclic process. Remains constant None of these Increases Decreases Remains constant None of these Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Carnot cycle is maximum for Steam engine Petrol engine Reversible engine Gas engine Steam engine Petrol engine Reversible engine Gas engine ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a reversible adiabatic process, the ratio of T1/T2 is equal to (p1/p2)γ - 1/ γ (p2/p1)γ - 1/ γ (v2/v1)γ - 1/ γ (v1/v2)γ - 1/ γ (p1/p2)γ - 1/ γ (p2/p1)γ - 1/ γ (v2/v1)γ - 1/ γ (v1/v2)γ - 1/ γ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of cp/cv for air is 2.3 1.45 1 1.4 2.3 1.45 1 1.4 ANSWER DOWNLOAD EXAMIANS APP
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