Q.1
The velocity of whirl at outlet for an axial discharge turbine is
Q.2
The draught produced by a steam jet issuing from a nozzle placed in the chimney is called
Q.3
Cochran boiler is a
Q.4
An economiser _________ the steam raising capacity of a boiler.
Q.5
Which of the following is required for a steam condensing plant?
Q.6
During polytropic process
Q.7
The amount of water evaporated from feed water at _________ into dry and saturated steam at 100° C at normal atmospheric pressure is called equivalent evaporation from and at 100° C.
Q.8
The length of shell of a Locomotive boiler is
Q.9
The shell diameter of a Locomotive boiler is
Q.10
The diameter of superheated tubes in a locomotive boiler is
Q.11
The discharge of steam in a convergent-divergent nozzle __________ after the throat (i.e. in the divergent portion of the nozzle)
Q.12
A compound steam engine in which the high pressure and low pressure cylinders have common piston rod, is called
Q.13
Heating value of fuel used is as on fired basis. If it is reported for dry or moisture free fuel, then latter should be multiplied by the following factor to correct for as fired value
Q.14
Locomotive boiler is a
Q.15
Pick up the wrong statement about critical condition of steam
Q.16
Parson's turbine is a
Q.17
Throttle governing of steam engines is a method of controlling the engine output by varying
Q.18
Cut-off governing of steam engines is a method of controlling the engine output by varying
Q.19
Lancashire boiler is used where working pressure and power required are
Q.20
The length of Lancashire boiler varies from
Q.21
The length of Cornish boiler varies from
Q.22
The diameter of a cylindrical shell of a Scotch marine boiler varies from
Q.23
When the cross-section of a nozzle __________ continuously from entrance to exit, it is called a convergent nozzle.
Q.24
The diameter of Cornish boiler varies from
Q.25
The fusible plug in small boilers is located
Q.26
Cut-off ratio is the ratio of
Q.27
The fire tubes in a Cochran boiler are
Q.28
On Millier chart, the constant pressure lines
Q.29
The numbers of fire tubes in a Cochran boiler are
Q.30
The three "Ts" for good combustion are
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