Related Questions

Which of the following varies as the square root of oil pressure during atomisation of fuel oil through a pressure jet burner?
A Output & fineness
B Velocity
C Both A & B
D None of these
Which of the following does not require preheating during storage in the storage tank as well as during atomisation through burners?
A PCM
B Tar
C Light diesel oil
D Low viscosity furnace oil
Bunsen burner is an example of a/an __________ burner.
A inside mixing/premix type
B submerged combustion
C rotary cup
D outside mixing/diffusion flame/nozzle mix type
If fuel and air are mixed ahead of the burner, it is called a/an __________ burner.
A Premix
B Outside mixing type
C Rotary
D Diffusion
After the increase of price of oil by 40%, a family decided to reduce its oil consumption so that the expenditure for oil goes up by 26% only. If the total consumption of oil before the price rise was 10 kg per month, then what is the current consumption of oil per month (in kg)?
A 8
B 8.50
C 9
D None of these
Which furnace employs preheating, heating and soaking zones?
A Soaking pit
B Reheating furnace
C Open hearth furnace
D Cupola
Turndown ratio of a burner gives an idea of the __________ in the furnace.
A Range of fuel firing rates
B Volume of the combustion chamber
C Maximum heat input rate only
D Minimum heat input rate only
Preheating of __________ the flame temperature.
A The gaseous fuel before combustion decreases
B Combustion air decreases
C Either the fuel or the air or both, increases
D Either the fuel or the air does not affect
Medium viscosity lubricating oil can be most ideally pumped by a __________ pump.
A Vane
B Piston
C Centrifugal
D Plunger
The kinematic viscosity (in stoke) and the absolute/dynamic viscosity (in poise) are the same for __________ at room temperature.
A Air
B Water
C Mercury
D Alcohol

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