Q.1
The effect of bleeding is that
Q.2
Which of the following is not a boiler mounting?
Q.3
A supercritical boiler is one that operates above the pressure and temperature of following values
Q.4
Which of the following coals has the highest calorific value?
Q.5
Which type of boiler can meet rapid changes of load?
Q.6
The pressure of steam in the engine cylinder at the beginning of the stroke is ________ the boiler pressure.
Q.7
The heat balance sheet for the boiler shows the
Q.8
Which of the following gases has the highest calorific value?
Q.9
Which of the following boiler is best suited to meet the fluctuating demand of steam?
Q.10
A nozzle is said to be a divergent nozzle
Q.11
In a steam engine, superheated steam from the boiler is fed into the steam chest at a pressure of
Q.12
The draught may be produced by a
Q.13
The radius of a dished head is taken approximately as
Q.14
Boiler parameters are expressed by
Q.15
The high pressure and low pressure cylinders in a Woolf type compound engine are regarded as having cranks
Q.16
The compounding of turbines is done in order to
Q.17
At which pressure the properties of water and steam become identical
Q.18
The average operating pressure of Benson boiler is
Q.19
The expansion of steam in a nozzle follows
Q.20
In a uniflow engine
Q.21
The high pressure and low pressure cylinders in a Tandem type compound engine are regarded as having cranks
Q.22
The high pressure and low pressure cylinders in a receiver type compound engine are regarded as having cranks
Q.23
The impulse reaction turbine has its driving force
Q.24
The rate of steam produced in Benson boiler is
Q.25
The mechanical draught _________ with the amount of smoke.
Q.26
Gradually increasing temperature of flue gases at inlet to chimney for given steam outputs is an indication of
Q.27
On Mollier chart, flow through turbine is represented by
Q.28
A stage, in reaction turbine, is represented by
Q.29
The efficiency of reaction turbine is maximum when (where α = Angle made by the absolute velocity ‘V’ at inlet)
Q.30
The function of injector used in small capacity boilers is to
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