Engineering Thermodynamics On weight basis, air contains following parts of oxygen 23 73 21 25 23 73 21 25 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following processes are thermodynamically reversible? Isothermal and adiabatic Free expansion Throttling Constant volume and constant pressure Isothermal and adiabatic Free expansion Throttling Constant volume and constant pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat supplied to the gas at constant volume is (where m = Mass of gas, cv = Specific heat at constant volume, cp = Specific heat at constant pressure, T2 - T1 = Rise in temperature, and R = Gas constant) mcp (T2 + T1) mcv (T2 - T1) mR (T2 - T1) mcp (T2 - T1) mcp (T2 + T1) mcv (T2 - T1) mR (T2 - T1) mcp (T2 - T1) 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 isothermal Two constant volume and two isentropic Two constant pressure and two isentropic One constant pressure, one constant volume and two isentropic Two constant volume and two isothermal Two constant volume and two isentropic Two constant pressure and two isentropic ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For same compression ratio and for same heat added Otto cycle is more efficient than Diesel cycle Both Otto and Diesel cycles are equally efficient Diesel cycle is more efficient than Otto cycle Efficiency depends on other factors Otto cycle is more efficient than Diesel cycle Both Otto and Diesel cycles are equally efficient Diesel cycle is more efficient than Otto cycle Efficiency depends on other factors ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle) 1 - (T1/T2) (T1/T2) - 1 1 + (T2/T1) 1 - (T2/T1) 1 - (T1/T2) (T1/T2) - 1 1 + (T2/T1) 1 - (T2/T1) ANSWER DOWNLOAD EXAMIANS APP