WITH CORRECT DETAILED ANSWERS ||
GUARANTEED PASS
1. The air that passes through the combustion chamber in excess of that which
is required for complete combustion is called what? - ANSWER ✅ Excess
air
2. __________ shall have a vertical clearance above the cooking top of NOT
less than 30 inches to combustible material or metal cabinets. - ANSWER ✅
Household cooking appliances
3. The pipe or duct which connects a fuel gas burning appliance to vent or
chimney is what? - ANSWER ✅ Vent connector
4. Piping in systems shall be run as __________ as is practical from one point
to another. - ANSWER ✅ Directly
5. Underground metallic piping shall be protected against ___________ as
warranted by soil conditions. - ANSWER ✅ Corrosion
6. ASME containers installed in enclosed spaces on vehicles shall be
constructed for at least a _______ design pressure. - ANSWER ✅ 312 psig
,7. If cylinders used in industrial occupancies for processing, research or
experimental purposes are manifolded together, the total propane capacity
shall NOT exceed _________. - ANSWER ✅ 300 lbs
8. Polyethylene and polyamide piping shall be installed outside and
underground with a minimum of ________ cover. - ANSWER ✅ 12 inches
9. If outside, piping shall be under the vehicle and _______________. -
ANSWER ✅ Below any insulation or false bottom
10.Re-circulating direct gas-fired industrial air heaters shall NOT
____________ in buildings that contain flammable solids, gases, explosive
materials, or substances that may become toxic when exposed to flame. -
ANSWER ✅ Re-circulate room air
11.NFPA 54/ANSI Z223.1, National Fuel Gas Code, shall be administered and
enforced by _____________ designated by the governing authority. -
ANSWER ✅ The authority having jurisdiction
12.A system being leak tested should show no increase or decrease in the
pressure reading for a period of ______________. - ANSWER ✅ 3 minutes
13.____________ are appliances that are constructed and installed so that all air
for combustion is derived directly from the outside atmosphere and all flue
gases are discharged outdoors. - ANSWER ✅ Direct vent appliances
14.A vent connector shall NOT be connected to a chimney flue serving a
fireplace unless the fireplace flue opening is _____________. - ANSWER
✅ Permanently sealed
, 15.Fuel containers shall be ____________ to prevent jarring loose. - ANSWER
✅ Mounted
16.ASME containers and cylinders on vehicles utilized for other than engine
fuel systems, shall NOT be ____________ inside the vehicle. - ANSWER
✅ Stored, installed, or transported
17.Containers used in a public building undergoing minor renovations shall
NOT have more than a maximum propane capacity of ______________ and
the number of cylinders shall NOT exceed the number of workers assigned
to use the LP gas. - ANSWER ✅ 20 lbs
18.Field welding on containers shall be limited to attachments on
____________ installed by the manufacturer. - ANSWER ✅ Non-pressure
parts
19.During the hours of the day the public is permitted in a building undergoing
minor renovations, the cylinders shall NOT be ____________. - ANSWER
✅ Left unattended
20.Portable heaters shall be equipped with an approved ________ to shut off
the flow of gas to the main burner in the event of flame extinguishment or
combustion failure. - ANSWER ✅ Automatic shutoff
21.A ___________ for medium-heat equipment shall extend at least 10 ft
higher than any portion of any building with 25 ft. - ANSWER ✅ Chimney