Engineering Thermodynamics The unit of pressure in S.I. units is mm of water column Pascal kg/cm² Dyne per square cm mm of water column Pascal kg/cm² Dyne per square cm ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which law states that the internal energy of a gas is a function of temperature? Boyle's law There is no such law Joule's law Charles' law Boyle's law There is no such law Joule's law Charles' law ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics All perfect gases change in volume by 1/273th of its original volume at 0°C for every 1°C change in temperature, when the pressure remains constant. This statement is called Boyle's law Charles' law Gay-Lussac law Joule's law Boyle's law Charles' law Gay-Lussac law Joule's law ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ideal efficiency of a Brayton cycle without regeneration, with increase in pressure ratio will Increase/decrease depending on application Decrease Increase Remain unchanged Increase/decrease depending on application Decrease Increase Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Clausius statement of second law of thermodynamics Heat can be transferred for low temperature to high temperature source by using refrigeration cycle Heat can be transferred from low temperature to high temperature source if COP of process is more than unity Heat can Heat can Heat can be transferred for low temperature to high temperature source by using refrigeration cycle Heat can be transferred from low temperature to high temperature source if COP of process is more than unity Heat can Heat can 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 (v1 + v2)/v2 (v1 + v2)/v1 v2/v1 v1/v2 (v1 + v2)/v2 ANSWER DOWNLOAD EXAMIANS APP