11. Alkaline pyrogallate is used in Orsat's apparatus for absorption of
12. The draught produced by a steam jet issuing from a nozzle placed in the ash-pit under the fire grate of the furnace is called
13. The pressure velocity compounded impulse turbine allows a bigger pressure drop and hence __________ numbers of stages are required.
14. The effect of friction on the flow of steam through a nozzle is to
15. The maximum discharge through a chimney occurs when the height of chimney is
16. When the speed of the crankshaft is between 100 r.p.m. and 250 r.p.m., the engine said to be a
17. The cylindrical shell of a Lancashire boiler has diameter from
18. The diameter of internal flue tubes of a Lancashire boiler is about _________ that of its shell.
19. The diameter of flue tube in a Cornish boiler is _________ that of the shell.
20. Locomotive boiler is of the following type
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