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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Overseer/ Draftsman (Mechanical) Gr I, Draftsman Gr II (Mechanical Engineering), Plant Engineer (Mechanical), Senior Driller, Purchase Assistant etc ' And exam conducted in the year 2023. And Question paper code was '065/2023'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. 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.
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Example for once through boiler is
A) Benson boiler B) Lamont boiler
C) Babcock and Wilcox boiler D) Locomotive boiler
Function of junction valve in a boiler is
A) Remove sludge or sediments collected at the bottom most point in the water
space in the boiler
B) Shut off steam or regulate the flow of steam to requirements
C) Prevent the steam pressure in the boiler exceeding the desired rated pressure
D) None of these
Which boiler accessory is used for feed water heating by utilizing the heat of waste
furnace gases ?
A) Super heater B) Economizer
C) Air preheater D) Feed pump
High steam and low water safety valve is suitable for
A
B
௦
D
) Lancashire boiler and Cornish boiler
) Lancashire boiler and Locomotive boiler
) Locomotive boiler and Marine boiler
) None of these
Thermal conductivity for a given material
A) Vary with temperature only
B) Does not change with temperature
C) Vary with pressure and temperature
)
D) Vary with structure, humidity, pressure and temperature
Convection heat transfer involves
A) Conduction and mixing motion
B)
C) Mixing motion with external means such as pump or blower only
D) Both (B) and (C)
Mixing motion with density difference of the fluid only
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