Natural Gas Formula Quiz

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Identify the chemical formula.

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Carlos Cruz

Estados Unidos

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Natural Gas Formula Quiz


Natural Gas Formula QuizVersión en línea Identify the chemical formula. por Carlos Cruz 1 The chemical formula for natural gas is a CH2 b CH8 c CH6 d CH4 2 All fuels contain hydrogen and atoms. a Helium b Carbon c Oxygen d Silicon 3 The specific gravity of natural gas is a 1 b 0.7 c 0.5 d 0.6 4 Propane has a heat content of cubic foot. a 1500 b 2500 c 1000 d 1500 5 20 cubic feet of propane will produce how many Btu of heat? a 2500 b 50,000 c 500,000 d 25000 6 All fuel-air mixture in which there is not enough fuel for combustion is a Lean b Stoichiometric c Energy efficient d Rich 7 If a flame tip is yellow, it is a sign of an) a Closed gas valve b Ignition lockout c Lack of primary air d Excess of primary air 8 To burn 1 cubic foot of methane with perfect combustion how many cubic feet of oxygen is required. a 3 b 1 c 4 d 2 9 The ignition temperature for propane is _ degrees Fahrenheit. a 1000 b 900 c 700 d 800 10 A gas flame will carry electrical energy. a True b False 11 In a conventional gas furnace, the hot flue gases are Choose one or more answers a Vented by natural convection b Recycled through a secondary heat exchanger and then vented through a draft diverter c forced out a PVC vent with a blower d forced through a type B vent by a blower 12 For perfect combustion, propane requires _ cubic feet of air per cubic foot of gas. a 24.5 b 24 c 23 d 23.5 13 The dangerous by-product of poor combustion of gas is a Carbon monoxide b Carbon dioxide c Super heated Oxygen d Super heated nitrogen 14 For practical combustion, most manufactures use excess air. a 25% b 50% c 45% d 35% 15 The ignition temperature for methane is _degrees Fahrenheit. a 1170 b 1000 c 900 d 975 16 How many cubic feet of air does it take to produce 1 cubic foot of oxygen. a 9 b 5 c 7 d 3 17 The measure most accepted for calculating natural gas consumption is Btu per cubic foot. a 1000 b 1200 c 1100 d 900 18 The chemical formula for propane is _ a C4h7 b C3h8 c C4h8 d C3h7 19 What is the typical manifold pressure for a natural gas burning appliance ? a 3.5 microns b 3.5 Psia c 3.5 psig d 3.5 “of water column 20 The pilot burner is actually a burner assembly that contains which of the following component a Orifice b Pilot hood c all components listed are found in a pilot burner d Pilot burner e Flame sensor 21 If a natural gas leak occurs the gas will fall below the air and pool in the lower areas. a True b false 22 Which one of the following is not a product of complete combustion for natural and LP gas. a Heat b Carbon dioxide c Super heated oxygen d Water vapor

Natural Gas Formula Quiz

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Natural Gas Formula QuizVersión en línea

por Carlos Cruz

The chemical formula for natural gas is

All fuels contain hydrogen and atoms.

The specific gravity of natural gas is

Propane has a heat content of cubic foot.

20 cubic feet of propane will produce how many Btu of heat?

All fuel-air mixture in which there is not enough fuel for combustion is

If a flame tip is yellow, it is a sign of an)

To burn 1 cubic foot of methane with perfect combustion how many cubic feet of oxygen is required.

The ignition temperature for propane is _ degrees Fahrenheit.

A gas flame will carry electrical energy.

In a conventional gas furnace, the hot flue gases are

For perfect combustion, propane requires _ cubic feet of air per cubic foot of gas.

The dangerous by-product of poor combustion of gas is

For practical combustion, most manufactures use excess air.

The ignition temperature for methane is _degrees Fahrenheit.

How many cubic feet of air does it take to produce 1 cubic foot of oxygen.

The measure most accepted for calculating natural gas consumption is Btu per cubic foot.

The chemical formula for propane is _

What is the typical manifold pressure for a natural gas burning appliance ?

The pilot burner is actually a burner assembly that contains which of the following component

If a natural gas leak occurs the gas will fall below the air and pool in the lower areas.

Which one of the following is not a product of complete combustion for natural and LP gas.