Engineering Thermodynamics A closed system is one in which Mass crosses the boundary but not the energy Mass does not cross boundaries of the system, though energy may do so Neither mass nor energy crosses the boundaries of the system Both energy and mass cross the boundaries of the system Mass crosses the boundary but not the energy Mass does not cross boundaries of the system, though energy may do so Neither mass nor energy crosses the boundaries of the system Both energy and mass cross the boundaries of the system ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Avogadro's Hypothesis The molecular weights of all the perfect gases occupy the same volume under same conditions of pressure and temperature The sum of partial pressure of mixture of two gases is sum of the two Product of the gas constant and the molecular weight of an ideal gas is constant Gases have two values of specific heat The molecular weights of all the perfect gases occupy the same volume under same conditions of pressure and temperature The sum of partial pressure of mixture of two gases is sum of the two Product of the gas constant and the molecular weight of an ideal gas is constant Gases have two values of specific heat ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The throttling process is __________ process. None of these Irreversible Reversible Reversible or irreversible None of these Irreversible Reversible Reversible or irreversible ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The hard coke is obtained when carbonization of coal is carried out at 500° to 700°C 300° to 500°C 700° to 900°C 900° to 1100°C 500° to 700°C 300° to 500°C 700° to 900°C 900° to 1100°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is a reversible non-flow process? Isochoric process Hyperbolic process All of these Isobaric process Isochoric process Hyperbolic process All of these Isobaric process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Producer gas is obtained by Passing air and a large amount of steam over waste coal at about 650°C Passing steam over incandescent coke Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Carbonization of bituminous coal Passing air and a large amount of steam over waste coal at about 650°C Passing steam over incandescent coke Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Carbonization of bituminous coal ANSWER DOWNLOAD EXAMIANS APP
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