099/23

33.

34.

35.

36.

The Clausius-Clapeyron equation is

A) ‏اس = جا‎ ~ 5
۲ R ಟೆ ಟಿ
8) "ह)- कर - ]
۲ ദ ൩ 1,
0) 0| = “(2 ~ र|
۲ R \T, ए
۲ AH
0) 6 - ‏یس‎ 5 3
۲ 8 716 ग

Identify the correct statements with regard to Otto cycle.

1. Its efficiency can be improved by using a working fluid of higher value of ratio
of specific heats.

Aja

2. It is not a reversible cycle.

3. The practical way of increasing its efficiency is to increase the compression
ratio.

4. Carburetted gasoline engines working on Otto cycle can work with compression
ratios more than 12.

A) All are correct 8) 1, 2 and 3 are correct
C) 1, 2 and 4 are correct D) 2,3 and 4 are correct

In steam turbines, the ratio of the enthalpy drop in the moving blades to the sum of
the enthalpy drop in the moving and fixed blades is called

A) Work done by the blade per kg of steam
B) Stage efficiency

C) Turbine compounding ratio

D) Degree of reaction

In a regenerative feed heating cycle, the greatest economy is affected

A) When steam is extracted only from the last stage of steam turbine

B) When steam is extracted only from the first stage of steam turbine

C) When steam is extracted from several places in different stages of steam turbine
D) When steam is extracted from only one suitable point of steam turbine

-10-