Engineering Thermodynamics According to Regnault's law, the specific heat at constant pressure (cp) and specific heat at constant volume (cv) _________ with the change in pressure and temperature of the gas. Both (A) and (B) Do not change Change None of these Both (A) and (B) Do not change Change None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In order that a cycle be reversible, following must be satisfied All of these Free expansion or friction resisted expansion/compression process should not be encountered When heat is being absorbed, temperature of hot source and working substance should be same When beat is being rejected, temperature of cold source and working substance should be same All of these Free expansion or friction resisted expansion/compression process should not be encountered When heat is being absorbed, temperature of hot source and working substance should be same When beat is being rejected, temperature of cold source and working substance should be same ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a system after undergoing a series of processes, returns to the initial state then Its entropy will change due to irreversibility Process is thermodynamically in equilibrium Process is executed in closed system cycle Sum of heat and work transfer will be zero Its entropy will change due to irreversibility Process is thermodynamically in equilibrium Process is executed in closed system cycle Sum of heat and work transfer will be zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The fuel mostly used in blast furnace for extracting pig iron from iron ores is Pulverized coal Soft coke Hard coke Bituminous coal Pulverized coal Soft coke Hard coke Bituminous coal ANSWER DOWNLOAD EXAMIANS APP
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 -80 kJ +60 kJ -140 kJ -40 kJ -80 kJ +60 kJ -140 kJ -40 kJ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel, the process is known as __________ of fuel. Carbonization None of these Combustion Atomization Carbonization None of these Combustion Atomization ANSWER DOWNLOAD EXAMIANS APP
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