NATE EXAM: CORE ESSENTIALS LATEST EXAM

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NATE EXAM: CORE ESSENTIALS LATEST EXAM |

NATE CORE ESSENTIALS ACTUAL EXAM| COMPLETE

QUESTIONS AND CORRECT VERIFIED ANSWERS/

ALREADY GRADED A+

What is an accurate formula for Ohm's Law?

A. E= I/R

B. R= E/I

C. R= I/E

• I= R/E - Correct Answer - B. R= E/I

Which of the following causes objectionable sound in a duct system?

• Inadequate velocity
• Reduce static pressure
• Excessive velocity
• Reduce velocity pressure - Correct Answer - C. Excessive velocity

Using the diagram, what is component J94?

• It is a limited control for the primary control
• It is the disconnect switch for the supply power
• It is a limit control for the burner motor
• It is a multi-pin connector - Correct Answer - D. It is a multi-pin

connector 1 / 4

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Lever type tubing benders are best used for:

• soft drawn copper tubing
• hard drawn type "M" copper tubing
• all sizes of copper tubing
• hard drawn type "K" copper tubing - Correct Answer - A. soft drawn

copper tubing

How much heat is created by one kilowatt at 240V three phase?

• 1000 Btu
• 2400 Btu
• 3413 Btu
• 4152 Btu - Correct Answer - C. 3413 Btu

Construction fall protection is required whenever working over what minimum height?

• 4 ft
• 6 ft
• 8 ft
• 10 ft - Correct Answer - B. 6 ft

What type of heat causes a change in a thermometer reading?

• Latent
• Specific
• Sensible 2 / 4

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• Enthalpy - Correct Answer - C. Sensible

What can cause outdoor unit sound to be objectionable to the customer?

• Adding compressor insulation
• Equipment location
• Equipment footprint
• Adding a start kit - Correct Answer - B. Equipment location

What is the effect of electrons flowing through a coil wire?

• Increase voltage
• Decreased resistance
• Increased magnetic field
• Decreased amp draw - Correct Answer - C. Increased magnetic field

Using the above image of a digital multimeter dial, what is measured when it is set to 12?

• DC Voltage
• Ohms
• Amps
• AC Voltage - Correct Answer - B. Ohms

A tool specifically made to thread a hole in metal is a:

• die 3 / 4

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• tap
• bolt
• punch - Correct Answer - B. tap

What type of residential construction uses flooring over a crawlspace?

• Pier and beam
• Slab
• Board and batten
• Open beam - Correct Answer - A. Pier and beam

A fire extinguisher must have what Class rating to extinguish an electrical fire?

• Class A
• Class B
• Class C
• Class D - Correct Answer - C. Class C

Latent heat is the heat added or removed when a substance:

• is superheated
• changes its temperature
• changes its physical state
• is subcooled - Correct Answer - C. changes its physical state
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