Question: Dampers are located
[A].before the I.D fan
after the I.D. fan
near the top of the chimney
anywhere after the I.D. fan
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Furnace Technology
Furnace pressure is normally controlled by regulating the
Question: Furnace pressure is normally controlled by regulating the
[A].air pressure
fuel gas pressure
speed of I.D. fan
damper
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
In which of the waste heat recovery equipment, the flow of flue gas and air is alternately reversed after a fixed interval of time ?
Question: In which of the waste heat recovery equipment, the flow of flue gas and air is alternately reversed after a fixed interval of time ?
[A].Recuperator
Regenerator
Waste heat boiler
None of these
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
The amount of combustible escaping uncon-sumed from the furnace, depends upon the
Question: The amount of combustible escaping uncon-sumed from the furnace, depends upon the
[A].air supplied and furnace temperature.
burner design (thoroughness of mixing versus stratification).
air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction).
all (a), (b) and (c).
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
Ostwald charts are meant for
Question: Ostwald charts are meant for
[A].computing the excess/deficiency of combustion air.
calculation of flue gas temperature.
computation of flue gas analysis.
none of these.
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Maximum thermal efficiency of boiler may be about __________ percent.
Question: Maximum thermal efficiency of boiler may be about __________ percent.
[A].10
25
65
90
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
In salt bath furnace, heat is transferred to the charge mainly by
Question: In salt bath furnace, heat is transferred to the charge mainly by
[A].conduction
convection
radiation
none of these
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
If fuel and air are mixed ahead of the burner, it is called a/an __________ burner.
Question: If fuel and air are mixed ahead of the burner, it is called a/an __________ burner.
[A].premix
outside mixing type
rotary
diffusion
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Heat transfer takes place through a liquid medium surrounding the submerged material under heating, in case of a/an
Question: Heat transfer takes place through a liquid medium surrounding the submerged material under heating, in case of a/an
[A].blast furnace.
steam boiler.
salt bath furnace.
annealing furnace.
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
An example of recuperative furnace is the
Question: An example of recuperative furnace is the
[A].soaking pit
open hearth furnace
coke ovens
none of these
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.