Related Questions

In a steam engine, superheated steam from the boiler is fed into the steam chest at a pressure of
A 10 atmospheres
B 20 atmospheres
C 30 atmospheres
D 40 atmospheres
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
For the same length of stroke and speed of crankshaft, the piston speed for a double acting steam engine is _________ the piston speed of single acting steam engine.
A Equal to
B Twice
C Three times
D Four times
A compound steam engine in which the high pressure and low pressure cylinders have common piston rod, is called
A Receiver type compound engine
B Tandem type compound engine
C Woolf type compound engine
D None of these
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
A Throttle governing
B Cut-off governing
C By-pass governing
D None of these
The working pressure and temperature inside the cylinder of an internal combustion engine is _________ as compared to a steam engine.
A Low
B Very low
C High
D Very high
A single acting steam engine produces __________ power than that of double acting steam engine.
A equal
B double
C half
D 4 times
In case of non-condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the condenser pressure.
A Equal to
B Lower than
C Higher than
D None of these
In case of condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the atmospheric pressure.
A Equal to
B Lower than
C Higher than
D None of these
Expanding steam to a very low pressure (high vacuum) in steam engines is
A Desirable
B Economical
C Essential
D Uneconomical

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