Kerala PSC Previous Years Question Paper & Answer
Page:8
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'TECHNICIAN GR II BOILER OPERATOR PART I KCMMF LTD' And exam conducted in the year 2015. And Question paper code was '158/2015'. 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.
55.
56.
57.
88.
89.
60.
61.
62.
The calorific valve of hydrogen/kg when hum—lt at constant pressure in atmosphere of air as
compared to that burnt at constant volume is :
(ക) 1555 (B) More
(C) Equal (D) May be more or less
Bomb calorimeter is used to determine the calorific value of :
(ക) Solid fuels only (B) Liquid fuels only
(C) Both solid and liquid fuels (D) Gaseous fuel
Junker’s calorimeter is used to determine the calorific value of :
(ക) Gaseous fuels only (8) Solid fuels only
(0) Liquid fuels only ` (D) None of the above
Bomb calorimeter determines :
(ക) Higher calorific value of fuels at constant pressure
(B) Lower calorific value of fuels at constant pressure
(©) Higher calorific value of fuels at constant volume
(D) Lower calorific value of fuels at constant volume
Ultimate analysis of fuel means determination of :
(ക) Higher calorific value of fuel
(3) Lower calorific value of fuel
(©) Percentage of carbon, hydrogen, nitrogen, sulphur and phosphorus
(D) Percentage of fixed carbon, ash, volatile matter and moisture
The higher heating value of natural gas 15:
(A) 9850 Kcal/Nm? (B) 31900 Kcal/Nm?
(¢) 21300 Keal/Nm? (D) 5000 Keal/Nm?
The oxygen % by volume in air is :
(ക) 21% (8) 28%
(0 30% D) 79%
The Nitrogen % by volume in air is:
മ 79% ® 21%
(0) 30% D) 23%
158/2015 10 A
