Related Questions

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
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
Gasification of the solid fuel converts its organic part into combustible by interaction with air/oxygen and steam so as to obtain a secondary gaseous fuel of high calorific value having no ash. Gasification reactions are normally carried out at about __________ °C.
A 400-500
B 900-1000
C 1400-1500
D 1700-1800
Oxygen percentage in the flue gas coming out of a gaseous fuel fired furnace should be ideally about __________ percent.
A [

A.

B.

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
Atomising steam to fuel oil ratio in a burner should be around
A 0.5
B 1.5
C 2.5
D 3.5
In the gaseous diffusion process of uranium enrichment, the natural uranium is converted into gaseous
A Uranium oxide
B Uranium hexaflouride
C Uranium carbide
D Uranium sulphate
In case of gas turbines, the gaseous fuel consumption guarantees are based on
A High heat value
B Low heat value
C Net calorific value
D Calorific value
The main function of primary air in pulverised coal fired burner is to
A Burn CO to CO2
B Dry and transport the coal
C Have proper combustion by supplying it around the burner
D Preheat the tertiary air used for complete combustion of CO to CO2
Turndown ratio of a gas burner is equal to the
A Maximum to minimum heat input ratio
B Maximum to minimum permissible gas flow rate
C Both A & B
D Minimum to maximum heat input ratio

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