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) v2/v1 (v1 + v2)/v2 v1/v2 (v1 + v2)/v1 v2/v1 (v1 + v2)/v2 v1/v2 (v1 + v2)/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics No liquid can exist as liquid at Vacuum Zero pressure 273°K Centre of earth Vacuum Zero pressure 273°K Centre of earth ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For a perfect gas, according to Boyle’s law (where P = Absolute pressure, V = Volume and T = Absolute temperature) T/P = constant, if v is kept constant P/T = constant, if v is kept constant P v = constant, if T is kept constant V/T = constant, if p is kept constant T/P = constant, if v is kept constant P/T = constant, if v is kept constant P v = constant, if T is kept constant V/T = constant, if p is kept constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The fuel mostly used in steam boilers is Non-coking bituminous coal Coking bituminous coal Peat Brown coal Non-coking bituminous coal Coking bituminous coal Peat Brown coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Select the wrong statement All of these A Joule cycle consists of two constant volume and two isentropic processes. An Otto cycle consists of two constant volume and two isentropic processes. An Ericsson cycle consists of two constant pressure and two isothermal processes. All of these A Joule cycle consists of two constant volume and two isentropic processes. An Otto cycle consists of two constant volume and two isentropic processes. An Ericsson cycle consists of two constant pressure and two isothermal processes. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Change in enthalpy of a system is the heat supplied at Constant entropy Constant pressure Constant temperature Constant volume Constant entropy Constant pressure Constant temperature Constant volume ANSWER DOWNLOAD EXAMIANS APP
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