Nate Test Exam Bundle

An air conditioning technician is working in the basement of a large B37public building. The technician notices several unsafe and dangerous conditions. Of the following conditions that are noticed, which is the most dangerous and should be reported immediately? A: Gas leaking from a cracked pi...

The following expresses the difference between a feature and a benefit: - -A feature is a special characteristic of a product -A benefit is the value the customer receives from using the feature. The temperature most often used by customers when discussing human comfort is: - -A dry bulb re...

Class A - Ordinary Extinguisher Class B - Liquid Extinguisher Class C - Electrical Extinguisher Asphyxiation causes what? - Nausea, Dizziness, Heart Irregularities, and Unconciousness Ladder must be at what dimensions in relation to a house? - 4 ft for every 1 ft, 3 ft abo...

An air conditioning technician is working in the basement of a large B37public building. The technician notices several unsafe and dangerous conditions. Of the following conditions that are noticed, which is the most dangerous and should be reported immediately? A: Gas leaking from a cracked pi...

Ch. 1-1 The ability to utilize all types of communication skills is ________ to the HVACR technician. a) not as important as "hands-on" technical skills b) somewhat important c) unimportant d) very important - d) very important Ch. 1-2 It is important to be _______ in filling out servic...

Low airflow over a residential split system air conditioning evaporator can cause A: Liquid flood-back to the compressor B: A decrease in compression ratio C: An increase in suction line superheat D: Oil logging in the evaporator - A: Liquid flood-back to the compressor Whic...

Heat Anticipators - Are wired in series Cooling anticipators - Are wired parallel Low pressure switches detects - a loss of refrigerant Low pressure switches de energizes - the compressor Electronic air cleaners do not - remove odors Electronic air cleaners normally are...

Which of the following factors affects a customer's level of comfort? a. Air movement b. Humidity c. Temperature d. All of the above - d (All of the above: air movement, humidity, temperature) A cooling load calculation estimates the sensible heat gain of a structure. The maximum sensib...

On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? - 6-7PSI or 6F What is the primary purpose of using flux when soldering copper or brass parts? - Prevent Oxidation The water that results from a defrost cycle of an ...

One horsepower is equal to what? - 746 watts. One watt=3.413 BTUs per hour. Power=I times E and BTUs equal P times 3.413 Direct current flows how? - In one direction, only from a negative to a positive potential 60 Hz. means what? - Current, within a circuit, changes direction 120 tim...

What electro-mechanical control would you use on a cap tube or automatic expansion valve system to maintain the space temperature? - C: A thermostatic control Open motors are designed to operate at a given temperature rise as indicated on the motor nameplate. What does this mean? - A: indic...

A judgment - An opinion is Easy to use - Which of the following is a future of a product or service A truth - A fact is Saves time - Which of the following is a benefit of a product or service DOT - Which of the following agencies has jurisdiction over the shipping and lab...

Charging a heat pump with refrigerant is best accomplished in the _______ mode. A: Heating mode B: Cooling mode C: Defrost mode D: Emergency heating mode - B: Cooling mode Heat pumps can provide both heating in the winter and cooling in the summer. In which mode is the heat pum...

The primary purpose of using flux when soldering copper or brass parts is to: prevent oxidation. Light commercial outdoor condensing units that are installed in geographic areas where snowfalls can be heavy must be mounted: with wind barriers on all sides. Proper ductwork connections and...