Engineering Thermodynamics If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly Enthalpy Temperature Entropy Internal energy Enthalpy Temperature Entropy Internal energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The entropy __________ in an irreversible cyclic process. Decreases Increases Remains constant None of these Decreases Increases Remains constant None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The gas constant (R) is equal to the __________ of two specific heats. Sum Difference Ratio Product Sum Difference Ratio Product ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ___ is obtained when carbonization of coal is carried out at 500° to 700° C. Bituminous coal Pulverized coal Hard coal Soft coal Bituminous coal Pulverized coal Hard coal Soft coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a certain amount of dry ice is mixed with same amount of water at 80°C, the final temperature of mixture will be 80°C 20°C 40°C 0°C 80°C 20°C 40°C 0°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle consists of Two constant volume and two isentropic processes Two constant volume and two isothermal processes Two constant pressure and two isentropic processes One constant pressure, one constant volume and two isentropic processes Two constant volume and two isentropic processes Two constant volume and two isothermal processes Two constant pressure and two isentropic processes One constant pressure, one constant volume and two isentropic processes ANSWER DOWNLOAD EXAMIANS APP
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