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25.

Latent heat of dry steam at atmospneric pressure is equal to

A.	539 kcal/kg	B.	539 BTU/lb
C.	427 kcal/kg	D.	100 kcal/kg

26.

Locomotive type' boiler is

A.	horizontal multitubular water tube boiler	B.	water wall enclosed furnace type
C.	vertical tubular fire tube type	D.	horizontal multi-tubular fire tube type

27.

On Millier chart, the constant pressure lines

A.	diverge from left to right	B.	diverge from right to left
C.	are equally spaced throughout	D.	first rise up and then fall

28.

On Mollier chart, flow through turbine is represented by '

A.	horizontal straight line	B.	vertical straight line
C.	straight inclined line	D.	curved line

29.

On Mollier chart, free expansion, or throttling process from high pressure to atmosphere is represented by

A.	horizontal straight line	B.	vertical straight line
C.	straight inclined line	D.	curved line

30.

One kg of steam sample contains 0.8 kg dry steam; it's dryness fraction is

A.	0.2	B.	0.8
C.	1	D.	0.6

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