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 (v1 + v2)/v2 v2/v1 (v1 + v2)/v1 v1/v2 (v1 + v2)/v2 v2/v1 (v1 + v2)/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and R = Gas constant) pv = (RT)m pv = RTm pv = mRT pvm = C pv = (RT)m pv = RTm pv = mRT pvm = C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Reversed Joule cycle is known as Carnot cycle Rankine cycle Stirling cycle Bell-Coleman cycle Carnot cycle Rankine cycle Stirling cycle Bell-Coleman cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Properties of substances like pressure, temperature and density, in thermodynamic coordinates are Path functions Cyclic functions Point functions Real functions Path functions Cyclic functions Point functions Real functions ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The door of a running refrigerator inside a room was left open. Which of the following statements is correct? The temperature of the air in room will remain unaffected The room will be cooled very slightly The room will be cooled to the temperature inside the refrigerator The room will be gradually warmed up The temperature of the air in room will remain unaffected The room will be cooled very slightly The room will be cooled to the temperature inside the refrigerator The room will be gradually warmed up ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For which of the following substances, the internal energy and enthalpy are the functions of temperature only Water Saturated steam Perfect gas Any gas Water Saturated steam Perfect gas Any gas ANSWER DOWNLOAD EXAMIANS APP
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