Engineering Thermodynamics The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion) (v1 + v2)/v2 v1/v2 v2/v1 (v1 + v2)/v1 (v1 + v2)/v2 v1/v2 v2/v1 (v1 + v2)/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Diesel cycle with decrease in cut-off Decreases First decreases and then increases Increases First increases and then decreases Decreases First decreases and then increases Increases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The energy of molecular motion appears as Potential energy Friction Surface tension Heat Potential energy Friction Surface tension Heat ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Avogadro's Hypothesis Gases have two values of specific heat The sum of partial pressure of mixture of two gases is sum of the two The molecular weights of all the perfect gases occupy the same volume under same conditions of pressure and temperature Product of the gas constant and the molecular weight of an ideal gas is constant Gases have two values of specific heat The sum of partial pressure of mixture of two gases is sum of the two The molecular weights of all the perfect gases occupy the same volume under same conditions of pressure and temperature Product of the gas constant and the molecular weight of an ideal gas is constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An isolated system is one in which Mass crosses the boundary but not the energy Neither mass nor energy crosses the boundaries of the system Both energy and mass cross the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Mass crosses the boundary but not the energy Neither mass nor energy crosses the boundaries of the system Both energy and mass cross the boundaries of the system Mass does not cross boundaries of the system, though energy may do so ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the lightest and most volatile liquid fuel? Gasoline None of these Kerosene Fuel oil Gasoline None of these Kerosene Fuel oil ANSWER DOWNLOAD EXAMIANS APP
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