Engineering Thermodynamics If value of n is infinitely large in a polytropic process pVn = C, then the process is known as constant Volume Temperature Enthalpy Pressure Volume Temperature Enthalpy Pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The compression ratio for petrol engines is 10 to 20 3 to 6 15 to 30 5 to 8 10 to 20 3 to 6 15 to 30 5 to 8 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Diesel cycle consists of following four processes 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 Two isentropic and two constant volumes ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The door of a running refrigerator inside a room was left open. Which of the following statements is correct? The room will be gradually warmed up The room will be cooled to the temperature inside the refrigerator The room will be cooled very slightly The temperature of the air in room will remain unaffected The room will be gradually warmed up The room will be cooled to the temperature inside the refrigerator The room will be cooled very slightly The temperature of the air in room will remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The more effective way of increasing efficiency of Carnot engine is to Increase lower temperature Decrease lower temperature Increase higher temperature Decrease higher temperature Increase lower temperature Decrease lower temperature Increase higher temperature Decrease higher temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a reversible adiabatic process, the ratio of T1/T2 is equal to (p1/p2)γ - 1/ γ (p2/p1)γ - 1/ γ (v2/v1)γ - 1/ γ (v1/v2)γ - 1/ γ (p1/p2)γ - 1/ γ (p2/p1)γ - 1/ γ (v2/v1)γ - 1/ γ (v1/v2)γ - 1/ γ ANSWER DOWNLOAD EXAMIANS APP
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