Engineering Thermodynamics The index of compression ‘n’ tends to reach ratio of specific heats ‘y’ when Flow is uniform and steady Process is isentropic and specific heat does not change with temperature Process is isothermal Process is isentropic Flow is uniform and steady Process is isentropic and specific heat does not change with temperature Process is isothermal Process is isentropic ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The fuel mostly used in blast furnace for extracting pig iron from iron ores is Hard coke Pulverized coal Soft coke Bituminous coal Hard coke Pulverized coal Soft coke Bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Diesel cycle consists of __________ processes. One constant pressure, one constant volume and two isentropic Two constant volume and two isentropic Two constant volume and two isothermal Two constant pressure and two isentropic One constant pressure, one constant volume and two isentropic Two constant volume and two isentropic Two constant volume and two isothermal Two constant pressure and two isentropic ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For a perfect gas, according to Boyle’s law (where P = Absolute pressure, V = Volume and T = Absolute temperature) V/T = constant, if p is kept constant T/P = constant, if v is kept constant P/T = constant, if v is kept constant P v = constant, if T is kept constant V/T = constant, if p is kept constant T/P = constant, if v is kept constant P/T = constant, if v is kept constant P v = constant, if T is kept constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Diesel cycle depends upon Pressure ratio Temperature limits Cut-off ratio and compression ratio Compression ratio Pressure ratio Temperature limits Cut-off ratio and compression ratio Compression ratio ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The mass of excess air supplied is equal to (100/23) × Mass of excess carbon (23/100) × Mass of excess oxygen (100/23) × Mass of excess oxygen (23/100) × Mass of excess carbon (100/23) × Mass of excess carbon (23/100) × Mass of excess oxygen (100/23) × Mass of excess oxygen (23/100) × Mass of excess carbon ANSWER DOWNLOAD EXAMIANS APP