Kerala PSC Previous Years Question Paper & Answer

Title : Technician Grade-II (Boiler Operator) - Kerala Co-operative Milk Marketing Federation Ltd
Question Code : A


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Technician Grade-II (Boiler Operator) - Kerala Co-operative Milk Marketing Federation Ltd ' And exam conducted in the year 2022. And Question paper code was '057/2022'. 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.

page: 10 out of 16
Excerpt of Question Code: 057/2022










In which type pressure gauges are generally used in steam boiler?

(A) U tube type
(C) Diaphram type

(B) Bourdon type
(D) Differential type

In water level indicator how many water level devices are used?


(8) 3
(D) 4

In which boiler mountings are used to protect the fire tube?
(C) Safety valve (D) Ecnomizer

(A) Blow off cock (B) Fusible plug

Which of the following is not a boiler accessory?

(A) Water level indicator

(C) Ecnomizer

A super heater used in the steam boiler 15

(B) Superheater
(D) Air preheater

(A) To increase the pressure of the steam inside the boiler

(B) To increase the temperature of saturated steam

(C) To heat feed water

(D) To increase the steam raising capacity of the boiler

An air preheater is installed

(A) Before the ecnomizer

(B) Before the superheater

(C) Between the ecnomizer and chimney (D) Between the feed water pump

Blow off cock is used in 8 boiler to
(A) Remove smoke in the boiler

(C) Remove ash in the boiler

(B) Remove impurities from the boiler

(D) Remove steam in the boiler

Which of the following boiler mountings prevents the back flow of the water after

pumping into the boiler?
(A) Feed check valve

(C) Stop valve

(B) Blow down valve

(D) Safety valve

Which of the following relatively employs highest heat transfer surface in a high

pressure boiler?
(A) Furnace water wall

(C) Ecnomizer

(B) Superheater
(D) Air preheater


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