Related Questions

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
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
Locomotive boiler tubes are made of __________ alloys.
A Arsenic copper
B Magnesium
C Aluminium
D Nickel
The diameter of superheated tubes in a locomotive boiler is
A 13 mm
B 31 mm
C 130 mm
D 230 mm
The steam temperature with increase in load in case of a boiler fitted with radiation superheater
A Increases
B Decreases
C Remain unaffected
D First increases and then decreases
The safety valve on boiler drum compared to safety valve on superheater is set at
A Same value
B Higher value
C Lower value
D Lower/higher depending on steam flow
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
In order to facilitate starting of locomotive in any position, the cranks of a locomotive with two cylinders, are placed at
A 45° to each other
B 90° to each other
C 120° to each other
D 180° to each other
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
For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has
A More heating surface
B Less heating surface
C Equal heating surface
D Heating surface depends on other parameters

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