Kerala PSC Previous Years Question Paper & Answer

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

Page:10


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: 10 out of 11
Excerpt of Question Code: 068/2017/OL

C:-21%
D:-0%
Correct Answer:- Option-A
Question85:-Which of the following is not true of steam 7
A:-Highest specific heat and latent heat
B:-Low heat transfer coefficient
C:-Easy to control and distribute
D:-Cheap and inert
Correct Answer:- Option-B
Question86:-The draught produced by the chimney is due to the
A:-Density difference between the column of hot gases inside the chimney and the cold air outside
B:-Pressure difference between the column of hot gases inside the chimney and the cold air outside
C:-Velocity difference between the column of hot gases inside the chimney and the cold air outside
D:-All of the above
Correct Answer:- Option-A
Question87:-The efficiency of the chimney is directly proportional to the
A:-Height of the chimney
B:-Bottom area of the chimney
C:-Top area of the chimney
D:-None of the above
Correct Answer:- Option-A
೧6580788: -77 theoretical available draught at about percentage of total static draught calculated.
A:-20
B:-40
C:-60
D:-80
Correct Answer:- Option-D
Question89:-The function of a chimney in forced draught is
A:-To produce draught
B:-To discharge gases high in to the atmosphere
C:-To make draught and discharge gases to atmosphere
D:-None of the above
Correct Answer:- Option-B
Question90:-Induced draught is used when
A:-An economiser is used
B:-An air preheater is used
C:-An economiser and air preheater are used
D:-None of the above
Correct Answer:- Option-C
Question91:-Which is not true in the case of a steam jet draught 7
A:-It occupies minimum space
B:-It can't be started until high pressure steam is available
C:-Many classes of low grade fuels can be used
D:-Maintenance cost is very high
Correct Answer:- Option-D
Question92:-The efficiency of artificial draught is nearly
A%
B:-15%
C:-25%
D:-30%
Correct Answer:- Option-A
Question93:-The efficiency of the chimney draught is hardly
A%
8:-5%
C:-3%
D:-1%
Correct Answer:- Option-D
Question94:-The fuel buming capacity of the grate mechanical draught in comparison with natural draught is
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TECHNICIAN GRADE II BOILER OPERATOR KCMMF : Video