Related Questions

The ratio of exit pressure to inlet pressure of maximum mass flow rate per area of steam through a nozzle when steam is initially superheated is
A 0.555
B 0.578
C 0.5457
D 0.6
In order to obtain superheated steam, a superheater is added in an existing boiler. As as result, furnace vacuum will
A Remain unaffected
B Improve
C Worsen
D May improve/worsen depending on size
There are 10 orange sodas, 15 cream sodas and 7 cherry sodas in an ice chest. How many sodas must be removed from the ice chest to guarantee that one of each type of soda has been chosen?
A 16
B 18
C 23
D 26
There are 10 orange sodas, 15 cream sodas, and 7 cherry sodas in an ice chest, How many sodas must be removed from the ice chest to guarantee that one of each type of soda has been chosen?
A 16
B 18
C 23
D 26
If you get it off your chest, you will feel better . Here "get it off your chest" means ----
A talk about it
B through it out
C hope for it
D forget it
The critical pressure ratio for initially superheated steam is __________ as compared to initially dry saturated steam.
A More
B Less
C Same
D None of these
The delivery pressure of boiler feed water pump compared to the boiler steam pressure is
A Same
B Slightly less
C Slightly more
D Much more
Dry saturated steam can be converted into superheated steam by
A Increasing its cross-sectional area of flow
B Passing it through a pressure reducing valve
C Forcing it downwards through a vertical tube
D None of these
A _________ in a boiler is used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit.
A Blow off cock
B Fusible plug
C Stop valve
D Safety valve
The device attached to the steam chest for preventing explosions due to excessive internal pressure of steam is called
A Safety valve
B Water level indicator
C Pressure gauge
D Fusible plug

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