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 The area under the temperature-entropy curve (T – s curve) of any thermodynamic process represents Heat rejected Either heat absorbed or heat rejected None of the listed here Heat absorbed Heat rejected Either heat absorbed or heat rejected None of the listed here Heat absorbed ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The gas constant (R) is equal to the __________ of two specific heats. Difference Product Sum Ratio Difference Product Sum Ratio ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is cooled at constant pressure, Both temperature and volume decreases Its volume increases but temperature decreases Both temperature and volume increases Its temperature increases but volume decreases Both temperature and volume decreases Its volume increases but temperature decreases Both temperature and volume increases Its temperature increases but volume decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Avogadro’s law The product of the gas constant and the molecular mass of an ideal gas is constant All of these The sum of partial pressure of the mixture of two gases is sum of the two Equal volumes of all gases, at the same temperature and pressure, contain equal number of molecules The product of the gas constant and the molecular mass of an ideal gas is constant All of these The sum of partial pressure of the mixture of two gases is sum of the two Equal volumes of all gases, at the same temperature and pressure, contain equal number of molecules ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following gas has a minimum molecular mass? Nitrogen Hydrogen Methane Oxygen Nitrogen Hydrogen Methane Oxygen ANSWER DOWNLOAD EXAMIANS APP