Engineering Thermodynamics A path 1-2-3 is given. A system absorbs 100 kJ as heat and does 60 kJ of work while along the path 1-4-3, it does 20 kJ of work. The heat absorbed during the cycle 1-4-3 is -40 kJ -80 kJ -140 kJ +60 kJ -40 kJ -80 kJ -140 kJ +60 kJ 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) dQ = ds/T δQ = T/ds δQ = T.ds None of the listed here dQ = ds/T δQ = T/ds δQ = T.ds None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is heated at constant pressure, the heat supplied Increases the internal energy of the gas Both (B) and (C) Increases the temperature of the gas Does some external work during expansion Increases the internal energy of the gas Both (B) and (C) Increases the temperature of the gas Does some external work during expansion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The compression ratio for Diesel engines is 15 to 20 20 to 30 5 to 8 3 to 6 15 to 20 20 to 30 5 to 8 3 to 6 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will Increase Increase/decrease depending on application Decrease Remain unchanged Increase Increase/decrease depending on application Decrease Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Intensive property of a system is one whose value Depends on the mass of the system, like volume Is dependent on the path followed and not on the state Does not depend on the mass of the system, like temperature, pressure, etc. Is not dependent on the path followed but on the state Depends on the mass of the system, like volume Is dependent on the path followed and not on the state Does not depend on the mass of the system, like temperature, pressure, etc. Is not dependent on the path followed but on the state ANSWER DOWNLOAD EXAMIANS APP
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