Q.1
The Locomotive boiler has
Q.2
Sulphur in coal results in
Q.3
In an impulse turbine
Q.4
The state of vapor under saturation condition is described by
Q.5
The power of a boiler may be defined as
Q.6
Calorific value of coal is of the order of
Q.7
The cylinder condensation or missing quantity may be reduced by
Q.8
The basic job of feed water treatment in boilers is to overcome the problem of
Q.9
The diameter of cylindrical shell of the Lancashire boiler is of the order of
Q.10
The coal requirement per kW hour generation in the thermal power plant is of the order of
Q.11
Orsat meter is used for
Q.12
An economiser in a boiler
Q.13
Tertiary air is the air used to
Q.14
Primary air is the air used to
Q.15
Curtis turbine is a
Q.16
In order to obtain superheated steam, a superheater is added in an existing boiler. As as result, furnace vacuum will
Q.17
When the speed of the engine is controlled by means of a valve in a steam pipe, which regulates the pressure of steam entering the engine, then the governing is known as
Q.18
Hygrometry deals with the
Q.19
De-Laval turbines are mostly used
Q.20
In a reaction turbine when the degree of reaction is zero, then there is
Q.21
In a De-Laval nozzle expanding superheated steam from 10 bar to 0.1 bar, the pressure at the minimum cross-section (i. e. pressure at throat, p₂) will be
Q.22
The water tubes in a simple vertical boiler are
Q.23
Caking coals are those which
Q.24
Size of boiler tubes is specified by
Q.25
The critical pressure ratio is given by (where p₁ = Initial pressure of steam, and p₂ = Pressure of steam at throat or critical pressure)
Q.26
The discharge is __________ at critical pressure.
Q.27
Fire tube boilers are limited to a maximum working pressure of
Q.28
Fire tube boilers are limited to a maximum design working pressure of
Q.29
The ratio of heat utilized to produce steam and the heat liberated in furnace is known as
Q.30
The difference of supersaturated temperature and saturation temperature at that pressure is called
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