3.6 Burner Designs and Supply Systems

Question 1 of 10

1

A low gas pressure cutoff switch ____ the burner from operating when the gas pressure in the supply line drops below the pressure necessary to maintain a stable flame at the burner.

Select one of the following:

promotes
prevents
opens
raises

Explanation

Question 2 of 10

1

Reserve storage coal, stocked for extended periods in the open air it will ____ by weathering and also there is an ever-present danger of spontaneous combustion.

Select one of the following:

mature
vaporize
deteriorate
solidify

Explanation

Question 3 of 10

1

A spreader stoker distributes the coal onto the surface of a traveling grate with ash discharged at the _____ of the furnace

Select one of the following:

back
front
side
bottom

Explanation

Question 4 of 10

1

Screens are fitted in the coal route to the bunkers to remove timber, stone, and oversize coal so that the supply to the ____ mills is kept free

Select one of the following:

supply
pulverizing
storage
grading

Explanation

Question 5 of 10

1

The high gas pressure switch contacts are normally _____ whenever the main gas line pressure is below a preset pressure.

Select one of the following:

Open
stable
frozen
closed

Explanation

Question 6 of 10

1

An overfeed stoker uses the ______ flow of fuel and air, with fuel flowing downward and air flowing upward.

Select one of the following:

cocurrent
crosscurrent
countercurrent
undercurrent

Explanation

Question 7 of 10

1

The heating of heavy fuel oil takes place in ____ stages

Select one of the following:

three
five
many
two

Explanation

Question 8 of 10

1

In a _____ stoker, air for combustion is supplied by a forced draft fan an passes up through openings in the grate to the fuel.

Select one of the following:

overfeed
crossfeed
traveling
spreader

Explanation

Question 9 of 10

1

The multi-spud burner has ____ spuds or jets connected to a circular manifold.

Select one of the following:

two
five
six
eight

Explanation

Question 10 of 10

1

The temperature of the stock should be monitored, because temperatures of ___ deg C and above indicate the threat of fire.

Select one of the following:

100
50
200
70

	Created by TRAVIS CANNING almost 9 years ago

Quiz on 3.6 Burner Designs and Supply Systems, created by TRAVIS CANNING on 15/01/2016.

3.6 Burner Designs and Supply Systems

Question 1 of 10

A low gas pressure cutoff switch ____ the burner from operating when the gas pressure in the supply line drops below the pressure necessary to maintain a stable flame at the burner.

Select one of the following:

Explanation

Question 2 of 10

Reserve storage coal, stocked for extended periods in the open air it will ____ by weathering and also there is an ever-present danger of spontaneous combustion.

Select one of the following:

Explanation

Question 3 of 10

A spreader stoker distributes the coal onto the surface of a traveling grate with ash discharged at the _____ of the furnace

Select one of the following:

Explanation

Question 4 of 10

Screens are fitted in the coal route to the bunkers to remove timber, stone, and oversize coal so that the supply to the ____ mills is kept free

Select one of the following:

Explanation

Question 5 of 10

The high gas pressure switch contacts are normally _____ whenever the main gas line pressure is below a preset pressure.

Select one of the following:

Explanation

Question 6 of 10

An overfeed stoker uses the ______ flow of fuel and air, with fuel flowing downward and air flowing upward.

Select one of the following:

Explanation

Question 7 of 10

The heating of heavy fuel oil takes place in ____ stages

Select one of the following:

Explanation

Question 8 of 10

In a _____ stoker, air for combustion is supplied by a forced draft fan an passes up through openings in the grate to the fuel.

Select one of the following:

Explanation

Question 9 of 10

The multi-spud burner has ____ spuds or jets connected to a circular manifold.

Select one of the following:

Explanation

Question 10 of 10

The temperature of the stock should be monitored, because temperatures of ___ deg C and above indicate the threat of fire.

Select one of the following:

Explanation