Gas practice appliances

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What are two inert gasses

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What are two products of incomplete combustion

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In an induced draft burner the fan is

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In a forced draft burner the fan is

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In a balanced draft burner the fan is

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A bi-metal strip is

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A thermistor is

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A capillary is

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A rod and tube

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A thermocouple

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An operating aquastat is

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A combination high limit/fan control is used to

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The combination high limit/fan control is a

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An operating pressure switch

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Operating pressure witches are used on

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An operating pressure switch operates by

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An air flow switch

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A flame roll out switch is a high temperature limit switch wired to the burner ignition control. If the flame roll out is sensed the witch is opened and fe-energizes the gas valve.

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When furnaces are equipped with draft hoods, they may be equipped with a shut off system that automatically cuts out the main burner when the vent is blocked. These are refereed commonly and incorrectly reffed to as spill switches

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What takes place in a heat exchange in a forced air furnace

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inferred haters may not be used in

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Th purpose of a burner in a forced air furnace is to

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Atmospheric burners are design to operate under

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On a roof with a 12/12 pitch and no obstructions the min vent height for a natural gas appliance is

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On a roof with a 10/12 pitch and a wall 4' high and 6 feet away from the vent opening, what is the minimum height fora category one propane appliance

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Witch term is used to described the natural draft of the chimney measurements at or near the base of the chimney

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A damper is a

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Which of the following is an appliance draft control device

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Which burner supplies combustion air at sufficient pressure to overcome the resistance of the burner only

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What is the name of the device that is installed either internally or eternally to a venting system to extract heat from flue gasses

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Which burner supplies combustion air with a mechanical device such as a fan or blower at sufficient pressure to overcome resistance of the burner at the appliance

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Which type of appliance has the combustion products or the flue gasses mixed with the medium being heated

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Which type of appliance does not have flue gasses mixed with the medium being heated

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Which appliance is constructed so that all the combustion air is supplied directly from and the products of combustion are vented directly to the outdoors by independent passageways connected directly to the appliance

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An A vent is

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A B vent is

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A L vent is a

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A BW vent is a

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A C vent is a

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A BH vent is

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For venting BH schedule 40 Thermal plastic PVC/CPVC is used

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Three types of thermostats are direct line voltage 120v, 24v and 740ma

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Schedule 40 PVC 636 can be used for temperatures up to 60 C/149 F to

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CPVC can be used up to and including 90C/194F

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The cause of a yellow tipping flame is

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The bunsen flame or blue flame is is the result of

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Three types of orifices are Fixed, adjustable and universal

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Min and max orifice sizes are

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Using ohms law what reading would be giving if each end of the switch was measures

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English Test sobre Gas practice appliances , creado por randy loye el 02/06/2018.

Gas practice appliances

What are two inert gasses

What are two products of incomplete combustion

In an induced draft burner the fan is

In a forced draft burner the fan is

In a balanced draft burner the fan is

A bi-metal strip is

A thermistor is

A capillary is

A rod and tube

A thermocouple

An operating aquastat is

A combination high limit/fan control is used to

The combination high limit/fan control is a

An operating pressure switch

Operating pressure witches are used on

An operating pressure switch operates by

An air flow switch

A flame roll out switch is a high temperature limit switch wired to the burner ignition control. If the flame roll out is sensed the witch is opened and fe-energizes the gas valve.

When furnaces are equipped with draft hoods, they may be equipped with a shut off system that automatically cuts out the main burner when the vent is blocked. These are refereed commonly and incorrectly reffed to as spill switches

What takes place in a heat exchange in a forced air furnace