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) mR (T2 - T1) mcv (T2 - T1) mcp (T2 - T1) mcp (T2 + T1) mR (T2 - T1) mcv (T2 - T1) mcp (T2 - T1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ideal efficiency of a Brayton cycle without regeneration, with increase in pressure ratio will Remain unchanged Increase Increase/decrease depending on application Decrease Remain unchanged Increase Increase/decrease depending on application Decrease ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A process, in which the gas is heated or expanded in such a way that the product of its pressure and volume remains constant, is called Polytropic process Adiabatic process Hyperbolic process Isothermal process Polytropic process Adiabatic process Hyperbolic process Isothermal process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Absolute zero pressure will occur Under vacuum conditions When molecular momentum of the system becomes zero At sea level At a temperature of 273°K Under vacuum conditions When molecular momentum of the system becomes zero At sea level At a temperature of 273°K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For the constant pressure and heat input, the air standard efficiency of gas power cycle is in the order Otto cycle, Diesel cycle, Dual cycle Dual cycle, Otto cycle, Diesel cycle Diesel cycle, Otto cycle, Dual cycle Dual cycle, Diesel cycle, Otto cycle Otto cycle, Diesel cycle, Dual cycle Dual cycle, Otto cycle, Diesel cycle Diesel cycle, Otto cycle, Dual cycle Dual cycle, Diesel cycle, Otto cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Producer gas is obtained by Passing air and a large amount of steam over waste coal at about 650°C Passing steam over incandescent coke Carbonization of bituminous coal Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Passing air and a large amount of steam over waste coal at about 650°C Passing steam over incandescent coke Carbonization of bituminous coal Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast ANSWER DOWNLOAD EXAMIANS APP