Engineering Thermodynamics The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will Increase Decrease Remain unchanged Increase/decrease depending on application Increase Decrease Remain unchanged Increase/decrease depending on application ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics During which of the following process does heat rejection takes place in Carnot cycle? Isothermal compression Isothermal expansion Isentropic expansion Isentropic compression Isothermal compression Isothermal expansion Isentropic expansion Isentropic compression ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of cp/cv for air is 2.3 1.45 1 1.4 2.3 1.45 1 1.4 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 P v = constant, if T is kept constant T/P = constant, if v is kept constant P/T = constant, if v is kept constant V/T = constant, if p is kept constant P v = constant, if T is kept constant T/P = constant, if v is kept constant P/T = constant, if v is kept constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Brayton cycle consists' of following four processes Two isentropic and two constant volumes Two isentropic and two constant pressures Two isothermal and two isentropic Two isentropic, one constant volume and one constant pressure Two isentropic and two constant volumes Two isentropic and two constant pressures Two isothermal and two isentropic Two isentropic, one constant volume and one constant pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One barometric pressure or 1 atmospheric pressure is equal to 0 kgf/cm² 1.0197 kgf/cm² 1 kgf/cm² 1.033 kgf/cm² 0 kgf/cm² 1.0197 kgf/cm² 1 kgf/cm² 1.033 kgf/cm² ANSWER DOWNLOAD EXAMIANS APP
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