2022 Check, Test & Startup Quiz

Technical info can be found where?

Place these in the correct order of sequence of installation process

We should change our vacuum pump oil after each use?

What benefits do we get from using nitrogen during the brazing process?

You should pressure test a system with nitrogen above the systems normal operating pressures?

When you are checking static pressure on a gas furnace? You should check your static pressure at which points?

You always need to validate airflow before the charge can be checked?

You can verify airflow by?

When using the Electric heat method one formula you can use is?

Calculate the CFM of the following information. 241v, 39 amps, 35 degree temperature split?

If you clock a gas meter and you record 57 seconds. How many cubic feet of gas is the furnace consuming?

Calculate the cfm of the following furnace. The meter clocked at 65 secs per cubic foot, the btu content is 1050, and its an 80% efficient furnace. Once the you have your calculated input multiple your calculated input by .80 to get output information. And you measured a 43 degree temp split.

Your return static on a fan coil should not exceed what static pressure reading?

When checking the refrigerant charge, you should let the system operate for?

We need this information to calculate the required superheat for the system?

When checking superheat. Superheat is the amount of heat added to the refrigerant above its boiling point (saturation temperature)?

What is subcooling?

What range of super heat should you see on a properly working expansion valve?

When taking your temperatures to check the capacity of the unit, where should you take them?

Will I practice what I have learned today? And do my best to represent my industry as a professional?