Q.1
The high pressure boiler is one, which produces steam at a pressure more than
Q.2
Natural water circulation, by convection in water tube boilers, with increase in pressure of boiler
Q.3
The safety valve on boiler drum compared to safety valve on superheater is set at
Q.4
The crown of the fire box is made hemispherical in order to
Q.5
In a Tandem type compound engine, the high pressure and low pressure cylinders
Q.6
Fire tube boilers are those in which
Q.7
In a receiver type compound engine, the high pressure and low pressure cylinders
Q.8
In a Woolf type compound engine, the high pressure and low pressure cylinders
Q.9
Parson's reaction turbine is a __________ reaction turbine.
Q.10
The increase in pressure
Q.11
The specific volume of steam with increase in pressure decreases
Q.12
The saturation temperature of steam with increase in pressure increases
Q.13
The latent heat of steam with increase of pressure
Q.14
In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is _________ the low pressure cylinder.
Q.15
The rate of discharge through the nozzle __________ when the exit pressure is gradually reduced.
Q.16
Rateau turbine is
Q.17
The size of a boiler drum in pulverized fuel fired boiler, as its size and capacity, (steam pressure and flow ratings) increase
Q.18
Sulphur content of fuels is very important to the plant operators because it
Q.19
A vessel into which the steam is exhausted and condensed after doing work in an engine cylinder or turbine is known as
Q.20
The expansion of steam, as it flows over the blades in reaction turbine, represents
Q.21
Multi-stage steam turbines are of the
Q.22
The difference between Cornish boiler and Lancashire boiler is that
Q.23
Boilers, Engines, Nozzles and Turbines Objective Questions and Answers pdf:- 101. The difference between cornish boiler and lancashire boiler is that
Q.24
Water tube boilers are those in which
Q.25
Gusset stays in a boiler are provided to
Q.26
Evaporative capacity of boiler is expressed as
Q.27
It is required to produce large amount of steam at low pressure. Which boiler should be used?
Q.28
Equivalent evaporation of water is the evaporation for a feed water supply at 100°C
Q.29
The effect of friction in the nozzle __________ dryness fraction of steam.
Q.30
Feed water conditioning in thermal power plants in done to
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