Engineering Thermodynamics If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to -ve +ve Zero Anywhere between zero and infinity -ve +ve Zero Anywhere between zero and infinity ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The following cycle is used for air craft refrigeration Carnot cycle Reversed Brayton cycle Joule cycle Brayton cycle Carnot cycle Reversed Brayton cycle Joule cycle Brayton cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics During throttling process All of these Heat exchange does not take place There is no change of internal energy of steam No work is done by expanding steam All of these Heat exchange does not take place There is no change of internal energy of steam No work is done by expanding steam ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Charles' law states that all perfect gases change in volume by __________ of its original volume at 0°C for every 1°C change in temperature, when pressure remains constant. 1/93th 1/27th 1/273th 1/173th 1/93th 1/27th 1/273th 1/173th ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One watt is equal to 1 N/m 1 Nm/hr 1 kNm/hr 1 Nm/s 1 N/m 1 Nm/hr 1 kNm/hr 1 Nm/s ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 - (1/ rγ - 1) 1 - rγ - 1 1 + (1/ rγ - 1) 1 + rγ - 1 1 - (1/ rγ - 1) 1 - rγ - 1 1 + (1/ rγ - 1) 1 + rγ - 1 ANSWER DOWNLOAD EXAMIANS APP