Related Questions

The diameter of a cylindrical shell of a Scotch marine boiler varies from
A 1.5 to 2 m
B 2.5 to 3.5 m
C 3.5 to 4.5 m
D None of these
The fire tubes in, a Coarran and Scottish marine boiler are
A Horizontal
B Vertical
C Inclined
D Both horizontal and vertical
The diameters of fire tubes and superheater tubes in locomotive boiler are
A 47.5 mm, 130 mm
B 32.5 mm, 180 mm
C 65.5 mm, 210 mm
D 24.5 mm, 65 mm
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 diameter of fire tubes in Cochran boiler is of the order of
A 2 cm
B 6 cm
C 8 cm
D 12 cm
The fire tubes in a Cochran boiler usually have _________ diameter.
A 6.25 mm
B 62.5 mm
C 72.5 mm
D 92.5 mm
The fire tubes in a Locomotive boiler has __________ diameter.
A 4.75 mm
B 5.47 mm
C 7.45 mm
D 47.5 mm
The fire tubes in a Cochran boiler are
A Horizontal
B Vertical
C Inclined
D None of these
The numbers of fire tubes in a Cochran boiler are
A 75
B 115
C 165
D 225
For the same diameter and thickness of tube, a water tube boiler has ________ heating surface as compared to fire tube boiler.
A More
B Less
C Equal
D None of these

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