Engineering Thermodynamics One kilowatt is equal to 1 × 106 N-m/s 1000 N-m/s 100 N-m 1 N-m/s 1 × 106 N-m/s 1000 N-m/s 100 N-m 1 N-m/s ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Work-done during adiabatic expansion is given by (where p1 v1, T1 = Pressure, volume and temperature for the initial condition of gas, p2, v2, T2 = Corresponding values for the final condition of gas, R = Gas constant, and γ = Ratio of specific heats) (p1 v1 - p2, v2)/(γ - 1) [m R (T1 - T2)] /(γ - 1) All of these [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] (p1 v1 - p2, v2)/(γ - 1) [m R (T1 - T2)] /(γ - 1) All of these [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In open cycle gas turbine plants The indirect heat exchanger and cooler is avoided A condenser is used All of these Direct combustion systems is used The indirect heat exchanger and cooler is avoided A condenser is used All of these Direct combustion systems is used ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle Combustion is at constant volume Maximum temperature is higher Expansion and compression are isentropic Heat rejection is lower Combustion is at constant volume Maximum temperature is higher Expansion and compression are isentropic Heat rejection is lower ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle consists of following four processes Two isentropic and two constant pressures Two isentropic, one constant volume and one constant pressure Two isothermal and two isentropic Two isentropic and two constant volumes Two isentropic and two constant pressures Two isentropic, one constant volume and one constant pressure Two isothermal and two isentropic Two isentropic and two constant volumes ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is cooled at constant pressure, Its volume increases but temperature decreases Both temperature and volume increases Both temperature and volume decreases Its temperature increases but volume decreases Its volume increases but temperature decreases Both temperature and volume increases Both temperature and volume decreases Its temperature increases but volume decreases ANSWER DOWNLOAD EXAMIANS APP
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