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 (v1 + v2)/v1 v2/v1 (v1 + v2)/v2 v1/v2 (v1 + v2)/v1 v2/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of one bar (in S. I. units) is equal to 1 × 103 N/m2 1 × 105 N/m2 1 × 104 N/m2 1 × 102 N/m2 1 × 103 N/m2 1 × 105 N/m2 1 × 104 N/m2 1 × 102 N/m2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Gases have Only one value of specific heat No value of specific heat Under some conditions one value and sometimes two values of specific heat Two values of specific heat Only one value of specific heat No value of specific heat Under some conditions one value and sometimes two values of specific heat Two values of specific heat ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is an intensive property of a thermodynamic system? Volume Mass Energy Temperature Volume Mass Energy Temperature 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 Gases have two values of specific heat Product of the gas constant and the molecular weight of an ideal gas is constant 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 Gases have two values of specific heat Product of the gas constant and the molecular weight of an ideal gas is constant 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. All the reversible engines have the same efficiency. Irreversible engines have maximum efficiency. All the reversible and irreversible engines have the same efficiency. All engines are designed as reversible in order to obtain maximum efficiency. All the reversible engines have the same efficiency. Irreversible engines have maximum efficiency. ANSWER DOWNLOAD EXAMIANS APP
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