FURNACE TECHNOLOGY QUIZ

Main gas valve in a gaseous fuel burner is a __________ valve.

Gate

Butterfly

Globe

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

The rate of scaling of furnace stock depends upon the

Nature of atmosphere

All of these

Temperature

Time

TRUE ANSWER : ?
YOUR ANSWER : ?

Cement Kiln is a

Rotary Kiln

Natural draft furnace

Batch furnace

Tunnel Kiln

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following variables does not affect the furnace capacity?

Size of the furnace

None of these

Ratio of wall surface to surface of stock

Gas velocity in furnace

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is a rotary furnace?

Lime kiln

Soaking pit

Annealing furnace

Stoves

TRUE ANSWER : ?
YOUR ANSWER : ?

Which is a continuous furnace?

Annealing furnace

None of these

Glass tank furnace

Coke ovens

TRUE ANSWER : ?
YOUR ANSWER : ?

Fuel economy in furnaces can be achieved by

Reducing the heat loss through furnace openings & doors

Preheating the combustion air

All of these

Using oxygen enriched combustion air

TRUE ANSWER : ?
YOUR ANSWER : ?

Size of the combustion chamber of a furnace depends upon the

Preheat temperature of fuel & air

All of these

Heat release rate of the fuel

Method of mixing the fuel & air

TRUE ANSWER : ?
YOUR ANSWER : ?

Turndown ratio of a burner gives an idea of the __________ in the furnace.

Range of fuel firing rates

Minimum heat input rate only

Volume of the combustion chamber

Maximum heat input rate only

TRUE ANSWER : ?
YOUR ANSWER : ?

Operation of blast furnace stove is based on the principles of a __________ furnace.

Neither A nor B

Recuperative

Regenerative

Both A and B

TRUE ANSWER : ?
YOUR ANSWER : ?

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