Related Questions

Which of the following statement is correct for steam turbines as compared to reciprocating steam engines?
A A steam turbine develops higher speeds
B The efficiency of steam turbine is higher
C The steam consumption is less
D All of these
Vacuum for reciprocating steam engines compared to steam turbines is
A More
B Equal
C Less
D Could be more or less depending on the size of plant
In impulse turbines, when friction is neglected, the relative velocity of steam at outlet tip of the blade is _________ the relative velocity of steam at inlet tip of the blade.
A Equal to
B Less than
C Greater than
D None of these
Steam pressure in a steam power station, which is usually kept now-a-days is of the order of
A 20 kgf/cm2
B 50 kgf/cm2
C 80 kgf/cm2
D 100 kgf/cm2
For the running of power generating turbines, the steam used should be
A Wet
B Superheated
C At ordinary pressure
D None of these
A steam turbine, in which a part of the steam after partial expansion, is used for process heating and the remaining steam is further expanded for power generation, is known as
A Back pressure turbine
B Pass out turbine
C Low pressure turbine
D Impulse turbine
Steam turbines are used for
A Large marine propulsion
B Electric power generation
C Direct drive of fans, compressors, pumps
D All of these
The type of layout used for manufacturing steam turbines, is
A Product layout
B Process layout
C Fixed position layout
D Any one of these
Steam turbines may be classified according to
A Direction of steam flow
B Number of stages
C Mode of steam action
D All of these
The purpose of governing in steam turbines is to
A Maintain the speed of the turbine
B Reduce the effective heat drop
C Reheat the steam and improve its quality
D Completely balance against end thrust

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