Kerala PSC Previous Years Question Paper & Answer
Page:15
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Boiler Attendant' And exam conducted in the year 2023. And Question paper code was '104/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
D:-None of the above
Correct Answer:- Option-A
Question70:-The draught produced by means of a chimney is called
A:-Forced draught
B:-Balanced draught
C:-Natural draught
D:-Induced draught
Correct Answer:- Option-C
Question71:-The power (P) required in Watts to drive the induced draught is which
produces draught equal to
Where,
m=mass of air actually used kg/kg of fuel
M=Mass of fuel in Kg/min
T=Absolute temperature of outside air
n=efficiency of fan
കാക്കു
5:- அ
(:-५०७७७
ಸಾರ್ಸ್
[नि 0390௪
7 MT
Correct Answer:- Option-A
Question72:-Artificial draught is produced by
A:-Blower
B:-Steam jet
C:-Chimney
D:-Blower and steam jet
Correct Answer:- Option-D
Question73:-The amount of water evaporated from saturated liquid water at 100°C
to dry saturated steam at 100°C is called
A:-Evaporative capacity
B:-Effectiveness of boiler
C:-Equivalent evaporation
D:-Boiler efficiency
Correct Answer:- Option-C
Question74:-The efficiency of a boiler is defined as
A:-The ratio of heat supplied by fuel in a given time to the heat absorbed by
feed water
B:-The ration of heat actually utilised in generation of steam to the heat
supplied by the fuel in the same time
C:-Mass of water evaportated to the total water supplied in the boiler