NV C-1H Water Heater Practice Questions - Nevada C-1H Water Heater Contractor Examination Exam - NV C-1H Water Heater Practice Questions - Nevada C-1H Water Heater Contractor Examination Exam

Question 1

Under the 2018 UPC, a storage water heater heating potable water must be protected by which listed relief device?

A vacuum breaker only, installed on the hot outlet An approved, listed combination temperature-and-pressure relief valve A boiler pop-off valve set at 30 psi A pressure-reducing valve on the cold-water inlet

Correct Answer:

An approved, listed combination temperature-and-pressure relief valve

Question 2

The 2018 UPC exempts which appliance from the combination T&P relief-valve requirement that applies to storage water heaters?

Any tankless heater, regardless of size An electric storage heater of 40 gallons or less A listed nonstorage instantaneous heater with an inside diameter of not more than 3 inches A gas storage heater with input of 40,000 Btu/h or less

Correct Answer:

A listed nonstorage instantaneous heater with an inside diameter of not more than 3 inches

Question 3

When selecting a combination T&P valve for a storage water heater, the 2018 UPC and the valve listing require the valve’s Btu capacity to do which of the following?

Equal one-half of the heater’s nameplate input Equal or exceed the water heater’s Btu input rating Match the first-hour rating printed on the Energy Guide label Be no greater than 40,000 Btu/h for any residential tank

Correct Answer:

Equal or exceed the water heater’s Btu input rating

Question 4

Manufacturers of combination T&P valves, as explained in the 2018 UPC Illustrated Training Manual commentary on Section 608.3, require the temperature-sensing element to be immersed where?

In the cold-water dip tube near the tank bottom In a tee on the gas control Within the top 6 inches of the tank, where the hottest water collects In the expansion tank on the building side of the backflow preventer

Correct Answer:

Within the top 6 inches of the tank, where the hottest water collects

Question 5

Under 2018 UPC Section 608.5, which device is prohibited on the discharge piping of a temperature or pressure relief valve?

A listed dielectric union on the cold inlet A fullway shutoff on the cold-water supply A draft-hood connector A valve, obstruction, or other means of isolation

Correct Answer:

A valve, obstruction, or other means of isolation

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About this Exam

Prepare with the NV C-1H Water Heater Practice Questions - Nevada C-1H Water Heater Contractor Examination Exam practice quiz. This question bank includes 100 questions covering water, heater, section, vent, and valve. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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NV C-1H Water Heater Practice Questions - Nevada C-1H Water Heater Contractor Examination Exam

This practice set contains 100 questions from the matching question bank and focuses on water, heater, section, vent, and valve. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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NV C-1H Water Heater Practice Questions - Nevada C-1H Water Heater Contractor Examination Exam

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