Phase 3 Revision

Phase 3 Revision

Professional Development

15 Qs

quiz-placeholder

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Phase 3 Revision

Phase 3 Revision

Assessment

Quiz

Science

Professional Development

Medium

Created by

Rob Anderson

Used 7+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct ratio of gas and oxygen required for complete combustion

C4 + O2

CH4 + CO2

CH4 + 2O2

CH4 + O2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What three components are required to create fire

Oxygen + Fuel + Ignition

Carbon Dioxide + Fuel + Ignition

Carbon Monoxide + Fuel + Ignition

Nitrogen + Fuel + Ignition

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

what is the correct ratio for complete combustion when CH4 + 2O2 =

CO + H2S

CH4 + CO2

CO2 + 2H2O

H2S + 2H2O

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a sign of complete combustion of natural gas

very tight yellow flame

very tight blue flame

vey floppy yellow flame

Very floppy blue flame

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Open Flue chimney system operates on what principle

cold air which is more dense than hot air will rises and travel up the flue

hot air which is more dense than cold air will rises and travel up the flue

cold air which is less dense than hot air will rises and travel up the flue

hot air which is less dense than cold air will rises and travel up the flue

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

what is the definition of a down draught diverter

 form of draught break intended to prevent conditions in the main length of flue from interfering with the combustion performance of an open-flued appliance. It allows the appliance to operate without interference from adverse wind conditions and excessive draught.

factory-made counter-balanced flap device admitting air to the flue, from the same space as the combustion air, to prevent excessive variations in the draught. It is usual for these to be in the fluepipe or chimney, but they may be located on the appliance.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

what is the definition of a draught stabiliser

is a form of draught break intended to prevent conditions in the main length of flue from interfering with the combustion performance of an open-flued appliance. It allows the appliance to operate without interference from down-draughts that may occur in adverse wind conditions and excessive draught.

is a factory-made counter-balanced flap device admitting air to the flue, from the same space as the combustion air, to prevent excessive variations in the draught. It is usual for these to be in the fluepipe or chimney, but they may be located on the appliance.

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