Q.1
The pressure compounded impulse turbine as compared to velocity compounded turbine require __________ number of stages.
Q.2
Water at pressure of 4 kg/cm² and 160°C temperature when exposed to atmosphere will
Q.3
Clearance ratio is the ratio of
Q.4
The function of a valve rod is
Q.5
Steam engine operates on
Q.6
The actual power supplied by the engine crankshaft is called
Q.7
Expansion ratio is the ratio of
Q.8
Which of the following is steam dial?
Q.9
The pressure of reheat steam after passing through reheater compared to inlet condition is
Q.10
The forced circulation of water does not take place in
Q.11
Heating wet steam at constant temperature is heating it at constant
Q.12
A safety valve in a locomotive starts leaking. The leaking medium will be
Q.13
The height of chimney in a power plant is governed by
Q.14
Which of the following statement is correct for steam turbines as compared to reciprocating steam engines?
Q.15
Fusible plug for boilers is made of fusible metal containing tin, lead, and
Q.16
The ratio of the actual vacuum to the ideal vacuum in a condenser is called
Q.17
In case of non-condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the condenser pressure.
Q.18
Steam exhaust from high pressure turbine is reheated in
Q.19
In an impulse turbine, steam expands
Q.20
With increase in load, convection superheater has
Q.21
O₂ content in atmospheric air on volume basis is
Q.22
O₂ content in atmospheric air on weight basis is
Q.23
The balanced draft furnace is one using
Q.24
A device used to heat feed water by utilizing the heat in me exhaust flue gases before leaving through the chimney, is known as
Q.25
Which is not the correct statement about moisture in coal?
Q.26
Efficiency of Rankine cycle can be increased by
Q.27
Benson boiler requires
Q.28
The ratio of heat actually used in producing the steam to the heat liberated in the furnace, is known as
Q.29
The diameters of fire tubes and superheater tubes in locomotive boiler are
Q.30
The shell diameter and length of locomotive boiler are
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