Engineering Thermodynamics The condition of perfect vacuum, i.e., absolute zero pressure can be attained at A temperature of 0°C A temperature of 273 °K A temperature of - 273.16°C A negative pressure and 0°C temperature A temperature of 0°C A temperature of 273 °K A temperature of - 273.16°C A negative pressure and 0°C temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The compression ratio for Diesel engines is 20 to 30 5 to 8 3 to 6 15 to 20 20 to 30 5 to 8 3 to 6 15 to 20 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An open system is one in which Mass does not cross boundaries of the system, though energy may do so Both energy and mass cross the boundaries of the system Neither mass nor energy crosses 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 Both energy and mass cross the boundaries of the system Neither mass nor energy crosses the boundaries of the system Mass crosses the boundary but not the energy ANSWER DOWNLOAD EXAMIANS APP
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)/v1 (v1 + v2)/v2 v2/v1 v1/v2 (v1 + v2)/v1 (v1 + v2)/v2 v2/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Measurement of temperature is based on Second law of thermodynamics Thermodynamic properties First law of thermodynamics Zeroth law of thermodynamics Second law of thermodynamics Thermodynamic properties First law of thermodynamics Zeroth law of thermodynamics ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Specific heat of air at constant pressure is equal to 0.24 1 0.21 0.17 0.24 1 0.21 0.17 ANSWER DOWNLOAD EXAMIANS APP
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