A:-Easy maintenance
B:-Compact in size
C:-Any type of fuel can be used
D:-Produces steam at very high rate
Correct Answer:- Option-D
Question39:-What is the operating pressure range of a Babcock and Wilcox boiler 7
A:-11.5 -17.5 bar
B:-17.5 -22.5 bar* *
C:-22.5 - 27.5 bar
0:-5.5 - 11.5 bar
Correct Answer:- Option-A
Question40:-Which among the following biclers have minimum draught 1055 7
A:-Lancashire boiler
B:-Scoth-marine boiler
C:-Babcock and Wilcox boiler
D:-Cochran boiler
Correct Answer:- Option-C
Question41:-Which boiler is used in ships 7
A:-Comish boiler
B:-Locomotive boilers
C:-Scotch-marine boiler
D:-Cochran boiler
Correct Answer:- Option-C
Question42:-What is the rating of Fluidised Bed Boilers (FBB) 7
A:-200 bar and 400° C
B:-150 bar and 400° C
C:-200 bar and 450° C
D:-150 bar and 450° C
Correct Answer:- Option-B
Question43:-Where among the following is Waste Heat Recovery boiler is used 7
i. Coppersmelting industry.
Steel mills.
Pulp and paper.
. Refineries.

and i
and iv

and iv
Correct Answer:- Option-D

Question44:-The material used to control SOx in the FBC boiler is
A:-Lime

D:-Limestone
Correct Answer:- Option-D
Question45:-In a glass tube type water indicator for a boiler, one end of the tube is connected to water space and the other
end is connected to
A:-Steam space
B:-Water space also
C:-Chimney
D:-Superheater
Correct Answer:- Option-A
Question46:-Select a device which is not a boiler mountings 7
A:-Safety valve
B:-Water level indicator
C:-Economiser
D:-Pressure Gauge
Correct Answer:- Option-C
Question47:-State the location of safety valve in a boiler
A:-Top of boiler shell