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391.

A fixed quantity of heat is to be added to a system under specific conditions. The process in which the entropy change will be maximum is

A.	Constant pressure process	B.	Constant volume process
C.	Constant temperature process	D.	Isentropic process
E.	None of the above

392.

Which of the following is not a property of carbondioxide?

A.	Non-toxic	B.	Non-inflammable
C.	Colourless	D.	Pungent odour

393.

In a Carnot cycle the algebraic sum of the entropy changes for the cycle is

A.	Zero	B.	Positive
C.	Negative	D.	Either positive or negative
E.	Depends on the properties of working substance

394.

A D-slide valve is used in

395.

Steam leaves the steam nozzle at

A.	Low pressure and low velocity	B.	Low pressure and high velocity
C.	High pressure and low velocity	D.	High pressure and high velocity
E.	None of the above

396.

De-Laval turbine is mostly used

A.	For small powers at high speeds	B.	For small powers at low speeds
C.	For high powers at low speeds	D.	For high powers at high speeds
E.	None of the above

397.

The main purpose of compounding in case of steam turbines is to

398.

Stuffing box is provided in

A.	Condensing steam engines	B.	Non-condensing steam engines
C.	High speed steam engines	D.	Single acting steam engines
E.	Double acting steam engines

399.

Piston rod is provided in

A.	Condensing steam engines	B.	Non-condensing steam engines
C.	High speed steam engines	D.	Slow speed steam engines
E.	Double acting steam engines

400.

A cross-head has