Q.1
If a steam sample is nearly in dry condition, then its dryness fraction can be most accurately determined by
Q.2
Which of the following statement is correct?
Q.3
When steam after doing work in the cylinder passes into a condenser, the engine is said to be a
Q.4
Relative percentage of heat absorbed through the heat transfer of
(i) Furnace water wall
(ii) Boiler tank
(iii) Superheater
(iv) Economizer
(v) Air-heater of a typical boiler of 200 MW capacity would be of the order of
Q.5
There is always some steam left in the clearance space from the previous stroke. This steam left in the clearance space is called
Q.6
The flow of steam is supersonic
Q.7
The equivalent evaporation of a boiler is a measure to compare
Q.8
Desecration of feed water is carried out because it reduces
Q.9
For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has
Q.10
Locomotive type' boiler is
Q.11
In cross compounding, the cylinders are arranged
Q.12
The air pressure at the fuel bed is reduced below that of atmosphere by means of a fan placed at or near the bottom of the chimney to produce a draught. Such a draught is called
Q.13
For maximum discharge through a chimney, the condition is that height of hot gas column producing the draught should be
Q.14
The theoretical indicator diagram of a simple steam engine is based upon the assumption that
Q.15
The clearance in the engine cylinder
Q.16
In a glass tube type water indicator for a boiler, one end of the tube is connected to water space and the other end is connected to
Q.17
The cylinder dimensions of a compound engine may be designed on the basis of
Q.18
The aim of a compound steam engine is
Q.19
The value of diagram factor depends upon
Q.20
The diameter of internal flue tubes in a Lancashire boiler compared to its shell is
Q.21
The diameter of fire tube of Cornish boiler compared to its shell is
Q.22
The average value of diagram factor lies between
Q.23
Which of the following boilers is best suited to meet fluctuating demands?
Q.24
Degree of reaction is defined as the ratio of
Q.25
In an impulse reaction turbine, the pressure drops gradually and continuously over
Q.26
A nozzle is said to be a convergent nozzle
Q.27
Hard coke is used in
Q.28
Which is not correct statement about the function of furnace?
Q.29
The Parsons' reaction turbine has
Q.30
The reheat factor depends upon
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