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) v2/v1 (v1 + v2)/v1 v1/v2 (v1 + v2)/v2 v2/v1 (v1 + v2)/v1 v1/v2 (v1 + v2)/v2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Water contained in a beaker can be made to boil by passing steam through it Not possible Any pressure At atmospheric pressure At a pressure greater than atmospheric pressure Not possible Any pressure At atmospheric pressure At a pressure greater than atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Carnot cycle efficiency is maximum when Difference between initial and final temperature is 0°K Final temperature is 0°C Final temperature is 0°K Initial temperature is 0°K Difference between initial and final temperature is 0°K Final temperature is 0°C Final temperature is 0°K Initial temperature is 0°K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One kg of hydrogen requires 8 kg of oxygen and produces 7 kg of water 1 kg of water 9 kg of water 8 kg of water 7 kg of water 1 kg of water 9 kg of water 8 kg of water ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Entropy change depends on Thermodynamic state Mass transfer Change of temperature Heat transfer Thermodynamic state Mass transfer Change of temperature Heat transfer ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a system after undergoing a series of processes, returns to the initial state then Process is executed in closed system cycle Sum of heat and work transfer will be zero Process is thermodynamically in equilibrium Its entropy will change due to irreversibility Process is executed in closed system cycle Sum of heat and work transfer will be zero Process is thermodynamically in equilibrium Its entropy will change due to irreversibility ANSWER DOWNLOAD EXAMIANS APP
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