Kerala PSC Previous Years Question Paper & Answer
Page:16
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-B
Question75:-The main object of a boiler trial is
A:-To determine the generating capacity of the boiler
B:-To determine the thermal efficiency of the boiler when working at a definite
pressure
C:-To prepare heat balance sheet for the boiler
D:-All of the above
Correct Answer:- Option-D
Question76:-lf 'h' is the total heat of the steam in kJ/kg and 'hf' is the sensible heat
of feed water kJ/kg, the factor of evaporation is that
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Correct Answer:- Option-B
Question77:-In a well maintained boiler, heat loss is maximum
A:-Due to moisture present in the fuel
B:-Due to unburnt carbon in ash pit
C:-By radiation
D:-Flue gases exhausted through chimney
Correct Answer:- Option-D
Question78:-A shows the complete account of heat supplied by 1 kg
of dry fuel and heat consumed
A:-Heat utilisation sheet
B:-Fuel consumption sheet
C:-Heat balance sheet
D:-None of the above
Correct Answer:- Option-C
Question79:-Which of the following loss cannot be fond direct method and is
calculated by substracting the heat utilised in rising steam and heat loss from the
heat supplied?
A:-Heat lost due to unburnt carbon in ash pit
B:-Heat loss due to radiation
C:-Heat loss due to moisture present in air
D:-None of the above
Correct Answer:- Option-B