Kerala PSC Previous Years Question Paper & Answer

Title : TECHNICIAN GRADE II BOILER OPERATOR KCMMF
Question Code : A

Page:7


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'TECHNICIAN GRADE II BOILER OPERATOR KCMMF' And exam conducted in the year 2017. And Question paper code was '068/2017/OL'. 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: 7 out of 11
Excerpt of Question Code: 068/2017/OL

Question56:-Which of the following 15 the best way to assess boiler losses 7
A:-Benchmarking evaporation ratio
B:-Indirect efficiency evaluation
C:-Direct efficiency evaluation
D:-None of the above
Correct Answer:- Option-B
Question57:-A boiler trial indicated 2% 02 at boiler exit and 7% 02 at stack. The in-leak air quanity between these two
measurement is
2:-25%
B:-50%
C:-40%
0-6
Correct Answer:- Option-C
Question58:-Enthalpy of evaporation of steam will be higher at
A2 kgl em™M2)
8:-8 धुन (2
C:-12 kgl em™(2)
0:-20 (0 दा (2)
Correct Answer:- Option-A
Question59:-The element that does not contribute to heating value during combustion process is
A:-Sulphur
B:-Hydrogen
C:-Carbon
D:-Nitrogen
Correct Answer:- Option-D
Question60:-Which of the following is not one of the 3 Ts of combustion 7
A:-Time
B:-Temperature
C:-Turbulence
D:-Tertiary
Correct Answer:- Option-D
Question61:-Which of the following is not required in the boiler efficiency evaluation by direct method 7
A:-Steam flow
B:-Fuel flow
C:-Oxygen % in the flue gas
D:-Feed water temperature
Correct Answer:- Option-C
Question62:-The dry saturated steam when throttled to a lower pressure will
A:-Become wet
B:-Become superheated
C:-Remain dry saturated
D:-Become condensate
Correct Answer:- Option-B
Question63:-Velocity of steam in च pipe does strongly depend on
A:-Number of bends and valves in the pipe
B:-Specific volume of steam
C:-Length of the pipe
D:-None of the above
Correct Answer:- Option-B
Question64:-Latent heat of steam at the critical point is
A:-Zero
B:-540 kCalkg
C:-Infinite
D:-Equal to sensible heat
Correct Answer:- Option-A
Question65:-Fumace oil contains 84% carbon by weight. How many kg of *CO_(2)" does complete combustion of 1 kg of
fumace oil generate 7
2:-2.4
B:-4

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TECHNICIAN GRADE II BOILER OPERATOR KCMMF : Video