Related Questions

The pipe joint mostly used for pipes carrying water at low pressures is
A Socket joint
B Nipple joint
C Union joint
D Spigot and socket joint
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
When a vertical wall is subjected to pressures due to liquid on both sides, the resultant pressure is the __________ of the two pressures.
A Sum
B Difference
C Arithmetic mean
D Geometric mean
__________ joint is mostly used for joining pipes carrying water at low pressure.
A Nipple
B Socket
C Union
D Bell and spigot
A tank is fitted with 8 pipes, some of them that fill the tank and others that are waste pipe meant to those that empty the tank can empty it in 6 hours. If all the pipes are kept open when the tank is full, it will take exactly 6 hours for the tank to empty. How many of these are these are fill pipes?
A 2
B 4
C 6
D 5
By compounding the expansion of steam in two or more cylinders, the ratio of expansion
A Does not change
B Increases
C Decreases
D None of these
In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is _________ the low pressure cylinder.
A Equal to
B Less than
C More than
D None of these
Lead is poured into the joint between two pipes. These pipes may be made of
A Cast iron
B Vitrified clay
C Asbestos cement
D Concrete
As per the Indian boiler regulation (IBR), the type of joint preferred for the circumferential joint is the __________ joint.
A Butt
B Lap
C Welded
D None of these
The isentropic expansion of steam through nozzle for the steam initially superheated at inlet is approximated by equation
A pvls=C
B pv1126 = C
C pv1A = C
D pv = C

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