Engineering Thermodynamics One kg of hydrogen requires 8 kg of oxygen and produces 7 kg of water 8 kg of water 1 kg of water 9 kg of water 7 kg of water 8 kg of water 1 kg of water 9 kg of water 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)/v2 v2/v1 (v1 + v2)/v1 v1/v2 (v1 + v2)/v2 v2/v1 (v1 + v2)/v1 v1/v2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One kg of carbon produces ___ kg of carbon dioxide. 4/11 11/7 11/3 3/7 4/11 11/7 11/3 3/7 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat absorbed or rejected by the working substance is given by (where ds = Increase or decrease of entropy, T = Absolute temperature, and dQ = Heat absorbed or rejected) δQ = T/ds None of the listed here dQ = ds/T δQ = T.ds δQ = T/ds None of the listed here dQ = ds/T δQ = T.ds ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The reading of the pressure gauge fitted on a vessel is 25 bar. The atmospheric pressure is 1.03 bar and the value of 'g' is 9.81 m/s2. The absolute pressure in the vessel is 25 bar 34.81 bar 26.03 bar 23.97 bar 25 bar 34.81 bar 26.03 bar 23.97 bar ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition for the reversibility of a cycle is The working parts of the engine must be friction free All of these The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process All the processes, taking place in the cycle of operation, must be extremely slow The working parts of the engine must be friction free All of these The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process All the processes, taking place in the cycle of operation, must be extremely slow ANSWER DOWNLOAD EXAMIANS APP