Physics Test Preparations On Steam boilers engines Part 1

Test Preparation on Physics Test Preparations On Steam boilers engines Part 1

1.

The object of producing draught in a boiler is

1to provide an adequate supply of air for the fuel combustion
2to exhaust the gases of combustion from the combustion chamber
3to discharge the gases of combustion to the atmosphere through the chimney
4all of the above

2.

In a glass rube type water indicator for a boiler, one end of the tube is connected to water space and the other end is connected to

1water space also
2chimney
3steam space
4superheater

3.

In water tube boilers

1water passes through the tubes which are surrounded by flames and hot gases
2the flames and hot gases pass through the tubes which are surrounded by water
3forced circulation takes place
4none of these

4.

Which of the following statement is wrong?

1Locomotive boiler is a water tube boiler.
2Water tube boilers are internally fired.
3La-mont boiler is a low pressure water tube boiler.
4all of the above

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