Engineering Thermodynamics According to Regnault's law, the specific heat at constant pressure (cp) and specific heat at constant volume (cv) _________ with the change in pressure and temperature of the gas. None of these Do not change Change Both (A) and (B) None of these Do not change Change Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Diesel cycle with decrease in cut-off Decreases Increases First increases and then decreases First decreases and then increases Decreases Increases First increases and then decreases First decreases and then increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Intensive property of a system is one whose value Is dependent on the path followed and not on the state Depends on the mass of the system, like volume Is not dependent on the path followed but on the state Does not depend on the mass of the system, like temperature, pressure, etc. Is dependent on the path followed and not on the state Depends on the mass of the system, like volume Is not dependent on the path followed but on the state Does not depend on the mass of the system, like temperature, pressure, etc. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The general gas energy equation is (where Q1 - 2 = Heat supplied, dU = Change in internal energy, and W1 - 2 = Work done in heat units) Q1 - 2 = dU/W1 - 2 Q1 - 2 = dU × W1 - 2 Q1 - 2 = dU + W1 - 2 Q1 - 2 = dU - W1 - 2 Q1 - 2 = dU/W1 - 2 Q1 - 2 = dU × W1 - 2 Q1 - 2 = dU + W1 - 2 Q1 - 2 = dU - W1 - 2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement? All the reversible and irreversible engines have the same efficiency. All engines are designed as reversible in order to obtain maximum efficiency. Irreversible engines have maximum efficiency. All the reversible engines have the same efficiency. All the reversible and irreversible engines have the same efficiency. All engines are designed as reversible in order to obtain maximum efficiency. Irreversible engines have maximum efficiency. All the reversible engines have the same efficiency. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency and work ratio of a simple gas turbine cycle are Very low Very high Low High Very low Very high Low High ANSWER DOWNLOAD EXAMIANS APP
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