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Research practice quiz

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Carlos Cruz

United States

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Quiz 2


Quiz 2Version en ligne Research practice quiz par Carlos Cruz 1 What are the two types of pilot lights. a standing &Thermopile b standing & glow coil c hot surface & intermittent d standing & intermittent 2 Which of the following features does an automatic combination gas valve have? a redundant shut off feature b pressure regulator c pilot safety shut off d all choices are correct 3 The atmospheric air has a weight of _ standard conditions at sea level. a 14.696 inches of water column b 11 inches of water column c 14.696 psi d 5 psig 4 Combination gas valves have built in regulators. a True b False 5 Spark ignition is important for rooftop or package units located outdoors because of wind problems. a True b false 6 Heat exchanger come from the factory with a leakage rate of up to % a 3 b 9 c 7 d 5 7 The four types of gas furnace air flow patterns are _and a up flow, down flow, side ways flow, diagonal flow b horizontal, vertical, low boy, hi boy c upflow,down flow, horizontal, lowboy d low boy, hi boy, down flow, horizontal 8 What is the approximate oxygen content of air ? a 21% b 79% c 100% d 3% 9 Atmospheric and power burners are the two most used types of burners in gas heating. Choose one or more answers a True b false 10 A thermocouple develops direct current and voltage. a true b False 11 In a condensing furnace, circulating air passes over the before passing over the primary heat exchanger. a secondary heat exchanger b combustion blower c Burner d Flue 12 Non-Condensing furnaces have a single heat exchanger that transfers heat from the combustion gases to the circulating air. a True b False 13 Solenoid, Diaphragm and Heat motor are all what type of valves. a Aquastats b Zone valve c Ball valves d Gas valve 14 All gas valves snap open and closed a True b False 15 The orifice is a precisely sized hole in the _ a Burner tube b Combustion chamber c Manifold d Spud 16 Secondary heat exchangers are frequently made of stainless steel because they other metals. a can withstand corrosive condensate much better than heat exchangers made from b can transfer heat much more rapidly than heat exchangers made from c are exposed to temperatures that would melt most d are exposed to temperatures that would melt most

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Quiz 2

Test

À propos de cette activité

Créé par

Téléchargez la version pour jouer sur papier

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Quiz 2Version en ligne

par Carlos Cruz

What are the two types of pilot lights.

Which of the following features does an automatic combination gas valve have?

The atmospheric air has a weight of _ standard conditions at sea level.

Combination gas valves have built in regulators.

Spark ignition is important for rooftop or package units located outdoors because of wind problems.

Heat exchanger come from the factory with a leakage rate of up to %

The four types of gas furnace air flow patterns are _and

What is the approximate oxygen content of air ?

Atmospheric and power burners are the two most used types of burners in gas heating.

Choose one or more answers

A thermocouple develops direct current and voltage.

In a condensing furnace, circulating air passes over the before passing over the primary heat exchanger.

Non-Condensing furnaces have a single heat exchanger that transfers heat from the combustion gases to the circulating air.

Solenoid, Diaphragm and Heat motor are all what type of valves.

All gas valves snap open and closed

The orifice is a precisely sized hole in the _

Secondary heat exchangers are frequently made of stainless steel because they other metals.