SSC JE Mechanical Engineering 25th Jan 2018 Shift-2

Instructions

For the following questions answer them individually

SSC JE Mechanical Engineering 25th Jan 2018 Shift-2 - Question 131


In a P-V diagram for pure substance, the constant temperaturelines in saturated liquid-vapour region are ...........

SSC JE Mechanical Engineering 25th Jan 2018 Shift-2 - Question 132


At critical temperature the ........

SSC JE Mechanical Engineering 25th Jan 2018 Shift-2 - Question 133


Which equation correctly represents the steady flow process where enthalpy, work and heatare in kJ/kg, velocity is in m/s and gravitational acceleration is in m/s$$^2$$?

SSC JE Mechanical Engineering 25th Jan 2018 Shift-2 - Question 134


A Camot heat pump is used to maintain a room at a temperature of $$T^\circ C$$ the initial temperature of the room was $$-10^\circ C$$ lf the power requirement of the pump is 20 kW and the heat provided is 150 KW. Whatwill be the value of T ?

SSC JE Mechanical Engineering 25th Jan 2018 Shift-2 - Question 135


Which of the following equation is true for work required by heat pump?

SSC JE Mechanical Engineering 25th Jan 2018 Shift-2 - Question 136


Which of the following medium is compressed in a diesel engine?

SSC JE Mechanical Engineering 25th Jan 2018 Shift-2 - Question 137


What happens to the rating of a diesel engine, when the temperature ofintakeair is increased?

SSC JE Mechanical Engineering 25th Jan 2018 Shift-2 - Question 138


Which equation is the CORRECT representation of the process shown below?

SSC JE Mechanical Engineering 25th Jan 2018 Shift-2 - Question 139


For an isolated system which hasno interaction with the surrounding. Which of the following statement is/are CORRECT?

SSC JE Mechanical Engineering 25th Jan 2018 Shift-2 - Question 140


In a P-T diagram for pure substance, the melting line has lowestinclination with respect to the positive horizontal axis representing temperature for which type of substance?

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