Thermodynamics - Data Intensity 3 | Multiple Questions and Answers

31.	Which of the following statement is wrong?

	A.	The closed cycle gas turbine plants are external combustion plants.
	B.	In the closed cycle gas turbine, the pressure range depends upon the atmospheric pressure.
	C.	The advantage of efficient internal combustion is eliminated as the closed cycle has an external surface.
	D.	In open cycle gas turbine, atmosphere acts as a sink and no coolant is required.

32.	Carnot cycle consists of

	A.	two constant volume and two isentropic processes
	B.	two isothermal and two isentropic processes
	C.	two constant pressure and two isentropic processes
	D.	one constant volume, one constant pressure and two isentropic processes

33.	When a gas is heated at constant volume

	A.	its temperature will increase
	B.	its pressure will increase
	C.	both temperature and pressure will increase
	D.	neither temperature nor pressure will increase

35.	The heat absorbed or rejected by the working substance is given by (where ds = Increase or decrease of entropy, T = Absolute temperature, and dQ = Heat absorbed or rejected)

	A.	?Q = T.ds
	B.	?Q = T/ds
	C.	dQ = ds/T
	D.	none of these