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Nate Core Bundle Compilation Graded A+

Nate Core Bundle Compilation Graded A+

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NATE AC Service Certification Exam Questions and Correct Rationales Graded A+

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A system is supplied from the factory with a charge of 5 pounds 10 ounces for a 15 foot line set. The line set is 25 feet long. The manufacturer's instruction sheet specifies 0.6 ounces of refrigeration to be added for each added foot of refrigerant line set length. What is the total refrigerant ch...

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Big Nate Exam Questions and Correct Rationales Graded A+

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  Nate - Answer: He will surpass all others Francis - Answer: Nate's first best friend Teddy - Answer: Nate's second friend Gina - Answer: Nate ultimate enemy Artur - Answer: Nate likes him and hates him Jenny - Answer: Nate's crush Mrs. Godfrey - Answer: Social Studie...

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Nate AC Service Test Questions and Correct Rationales Graded A+.

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  A technician has determined a supply in a flexible duct system is leaking. What should be checked? - Answer: All connections inner and outer layers. Electronic air cleaners can operate with internal voltages as high as? - Answer: 5000v Why do some electromechanical type thermostats requ...

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Nate Core Exam Questions and Correct Rationales Graded A+

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relative humidity - Answer: A sling psychrometer can measure wet bulb and dry bulb temperature. These measurements are then used to compute? a. Comfort index. b. System temperature differential. c. Relative humidity. d. Sub cooling Sling psychrometers. - Answer: Because they are very accu...

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Nate Core Quiz Questions and Certified Answers Graded A+

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What method of heat transfer does not require fluids or solids? - Answer: Radiation (heat waves) Capillary tubing should only be cut to length using a - Answer: triangular knife edge file Before beginning any electrical checkout procedure, what step must always be taken after the equipment d...

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NATE ICE Test Questions with Certified Answers Graded A+

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formula to convert celsius to fahrenheit - Answer: F = (1.8 x C) + 32 formula to convert fahrenheit to celsius - Answer: C = .56 (F - 32) specific heat - Answer: the amount of heat required to raise 1 lb of a substance 1 degree fahrenheit sensible heat - Answer: Is the heat that came be...

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NATE AC Practice 3 Exam Questions with Certified Answers Graded A+

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When the price of a product increases, there is a. a shift in demand. b. movement along the demand curve. c. a change in elasticity of demand. d. no effect on quantity demanded. - Answer: b On the demand curve, price and quantity demanded are a. inversely related. b. directly related. C. ...

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Nate Core Certification Exam Questions with Certified Answers Graded A+

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which of the following causes objectionable in Duct Systems? - Answer: Excessive Velocity Before beginning any electrical checkout procedure, what step must always be taken after the equipment disconnect or circuit breaker has been turned off? - Answer: Check For the presence of voltage whic...

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1. NATE Industry Competency Exam Core Questions with Certified Answers Graded A+

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A particular cleaning solution is made by mixing a liquid cleaning concentrate with water. The instructions specify mixing 1 quart of concentrate with 14 quarts of water. A technician wishes to prepare 60 quarts of mixed cleaning solution. How many quarts of cleaning concentrate will be needed? a...

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NATE ICE A C Exam Questions with Certified Answers Graded A+

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A compressor does not run, although the condenser fan is operating. Reading the compressor windings, the measured resistance between R to S is 5 ohms, R to C is open, and S to C is open. The problem is due to: - Answer: internal overload being open. A compressor with tight bearings will cause th...

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NATE ICE Flashcards Questions with Certified Answers Graded A+

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After a vacuum pump has been used, a continuous pressure rise in the system most likely indicates - Answer: existence of a leak after a vacuum has been pulled to 500 microns, a pressure rise in the system, followed by a leveling-off at 1500 microns, most likely indicates the - Answer: presence ...

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NATE Airflow Tools Measurement Exam Questions with Certified Answers Graded A+

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A strobe tachometer is used to measure - Answer: Blower speed A strobe tachometer's measurements are in - Answer: RPM A Pitot-tube has the capability of measuring - Answer: Velocity and static pressure The holes on the side of a Pitot-tube are used to measure - Answer: Static pressure ...

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Nate Core Quiz Questions with Certified Answers Graded A+

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The following expresses the difference between a feature and a benefit: - Answer: -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: - Answer: -...

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NATE Final Exam -2 Questions and Complete Solutions Graded A+

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A condensing unit should be mounted on a slab that is level to: A: Allow any accumulated water to evenly run out of the cabinet B: Increase airflow through the fin area C: Prevent the unit from tipping over D: Make certain any top discharge air blows straight up - Answer: A A simple ...

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NATE Test Core Essentials Questions and Complete Solutions Graded A+

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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 - Answer: d (very important) It is important to be ____ in filling out service orders so tha...

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Nate Study Guide Questions and Complete Solutions Graded A+.

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What kind of heat transfer does not include solids, or fluids - Answer: Radiation Capillary tubing should be only cut to length using - Answer: Triangular or knife edge file Before beginning any electrical check out procedure, what step should be taken after equipment is disconnected, or bre...

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Nate Installation Guidelines (Chapter 5) Exam Questions and Complete Solutions Graded A+.

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_______ registers accomplishes the mixing of the air, the _______grille does not. A. Supply, Return B. Return, Supply C. Dampers, Supply D. Dampers, Return - Answer: A. Supply, Return On New construction projects, the indoor section should be in the _____ mode during the finishing phases ...

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NATE Assessment Questions and Complete Solutions Graded A+.

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buld A particular right triangle has two equal sides. This is a _______ degree triangle - Answer: 45 T or F? The following is proper for the care of hand tools: clean and wipe them regularly. - Answer: True What is a method of heat transfer that does not require fluids or solids? - Answe...

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Nate Electrical Exam Questions and Complete Solutions Graded A+

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What electro-mechanical control would you use on a cap tube or automatic expansion valve system to maintain the space temperature? - Answer: 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? - Answ...

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NATE Exam Core Test Refresher Questions and Complete Solutions Graded A+

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Calculate the air volume based upon these conditions: 90,000 BTUH output Return air temperature: 70F Supply air temperature: 110F a. 1,158 CFM b. 1,500 CFM c. 1,800 CFM d. 2,083 CFM - Answer: d (2,083 CFM) When measuring CFM using temperature rise method, the furnace blower motor spee...

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Nate Core Test Questions with Complete Solutions Graded A+

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What method of heat transfer does not require fluid or solids? - Answer: Radiation Capillary tubing should only be cut to length using a - Answer: Triangular or knife edge file Before beginning any electrical check out procedure what step must always be taken after the equipment disconnect o...

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Nate Core Test Questions and Complete Solutions Graded A+

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Refrigerant vapors in high concentrations should not be inhaled since they - Answer: May cause heart irregularites or unconsciousness What diagrams would you use to find the physical location of the low voltage connection terminals in the unit? - Answer: Pictorial diagram The input side of a...

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Nate Quiz Questions and Correct Solutions Graded A+.

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What method of heat transfer does not require fluids or solids ? - Answer: Radiation - movement of heat through heat waves Capillary tubing should only be cut to length using a : - Answer: A triangular or knife-edge file Before beginning any electrical checkout procedure, what steps must be ...

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NATE Core Exam 50 Questions and Correct Solutions Graded A+.

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What type of wrench has a wheel mechanism that allows a jaw to open and close? - Answer: Adjustable wrench What should a claw hammer be used for? - Answer: Carpentry work or removing nails What is a reamer blade used for? - Answer: Removing burrs from the inside of tubing What type of pl...

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NATE Heat Pump Exam Questions and Complete Solutions Graded A+

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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 - Answer: B: Cooling mode Heat pumps can provide both heating in the winter and cooling in the summer. In which mode is the he...

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NATE Electrical Controls Exam Questions and Complete Solutions Graded A+

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A fuse is used in an electrical circuit to - Answer: Protect the circuit wires from an overcurrent condition How are fuses rated - Answer: In amps with a maximum voltage rating What will an ohmmeter measure when testing an open fuse - Answer: Infinite resistance What type of sensing elem...

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NATE Exam Air Conditioning and Heat Pumps Questions and Complete Solutions Graded A+

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a. Air movement b. Humidity c. Temperature d. All of the above - Answer: d (All of the above: air movement, humidity, temperature) A cooling load calculation estimates the sensible heat gain of a structure. The maximum sensible capacity of a cooling-only system should be within ____% of this ...

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NATE Core Practice Exam Questions and Complete Solutions Graded A+.

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what type of meter is most appropriate when a tech must determine voltage? - Answer: voltmeter temp at which moisture begins to condense on objects? - Answer: dew point btu's equivalent to 1 watt hour A. 3.418 B. 3.413 C. 3.213 D. 4.314 - Answer: 3.413 btu electrical test meter that...

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Nate Core Exam Questions with Complete Solutions Graded A+

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What are the five basic components to any schematic? - Answer: 1. A power supply 2. A path for the power 3. A load or component that operates from the power. 4. A switch or component that interrupts the power to the load. 5. A legend or key that explains what the various symbols and abbreviatio...

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NATE A C Exam -1 Questions and Complete Solutions Graded A+

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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 - Answer: A: Liquid flood-back to the compressor ...

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