Hvac copper and piping - Study guides, Class notes & Summaries

An instrument that measures potential differences between 2 points in an electrical circuit is called? A. potentiometer B. thermistor C. ohmeter D. voltmeter voltmeter This device uses a thermal sensing bulb at the outlet of the evaporator to sense temperature and control superheat A. automatic expansion valve B. thermostatic expansion valve C. low side float D. schraeder valve thermostatic expansion valve when installing a reversing valve on a heat pump, how many bra...

Nocti Hvac Study Guide Exam Questions With Correct Answers An Hvac system that depends on the temperatures below the ground surface as an operation factor is a .. - answerGeothermal heat pump when putting out a fire involving oily rags use a ________ fire extinguisher? - answerClass B The best tool to open and close the stem access valve on a refrigeriation system is the_______ - answerRefrigeration service wrench Which power tool is best to cut steel rod? - answerSawzall CSST (steal tu...

Which is most likely to be considered an ethical breach by a home inspector? A. gross negligence. B. negligent misrepresentation. C. ordinary negligence. D. fraud. Correct Answer: gross negligence. Feedback: NHIE 2015 p.602 NHIE 2019 Vol.2 p.399 Electric dryer receptacles in older houses: A. work with four-wire cords and plugs. B. may share a wire with a 120-volt receptacle C. require their own circuit D. are rated for at least 50 amps Correct Answer: require their own circuit ...

ADJUSTER PRO PRACTICE EXAM TEST DUE ON John is doing some lawn maintenance using a steel blade on his weed-whacker. He fails to properly tighten the blade and it comes loose while he is trimming some tall grass at the edge of his property. The blade flies off towards his neighbor's house and crashes into the HVAC unit, severing the lines and effectively destroying the unit. Which coverage in John's homeowners policy might pay for the damage he caused to his neighbor's HVAC syste...

HVAC Electricity Exam Questions with Correct Answers Amp Rating and Breaker size for - #14, #12, #10, #8, #6, #3 - Answer-14-15,15 12-20,20 10-30,30 8-45,40 6-65,60 3-105,100 Residential lighting and receptacle circuits use what type of wire? - Answer-14-2 AWG (14-gauge, 2-wire, plus bond) conductors Ampacity - Answer-The amount of current a conductor is rated to handle safely. NMD - Answer-Non-metallic-sheathed cable(dry) - for exposed wiring in dry or damp locations NMW - A...

Continuous vent - ANSWER A vertical vent that is a continuation of the drain to which it connects Storm water drainage piping - ANSWER A piping system designed to control and convey excess ground water to a suitable location Private sewage disposal system - ANSWER When no public sewer intended to serve any lot or premises is available in any thoroughfare or right of way abutting such a lot of premises, drainage piping from the building shall be connected to ___________________. Fixture ...

A hole may be bored no closer than _____ from the top or bottom of a joist. - ANS-2 inches A heater thermostat located in the kitchen will tend to keep the rest of the house _______ than is desirable. - ANS-Cooler A home inspector can use a microwave leak-detector to check - ANS-microwave ovens A home inspector's liability is ... - ANS-greater if the client's expectations are not realistic A home's main fuses or breakers are most likely to trip _____________. - ANS-when many large...

Secondary power for remote supervising station systems shall be capable of normal operation for ___ hours and then operate the system in alarm for ___ minutes? 24 / 5 A fire alarm system which serves contiguous or noncontiguous properties under one ownership is considered? Proprietary system An initiating device which is destroyed as a result of operation is what type? Nonrestorable The delay from the operation of an initiation device to the automatic activation of a fire...

Professional Home Inspector Exam NHIE / TREC #2 Questions and Answers Rated A Document Content and Description Below Professional Home Inspector Exam NHIE / TREC #2 Questions and Answers Rated A What type of roof requires on interlayment of felt between courses? a. Wood shakes b. Roll roofing c. Wood shingles d. Slate shingles a. Wood shakes In an older home, a forced hot air furnace is replaced by a heat pump. The heat coming out of the register is: a. Hotter b. Cooler c. Same d. Depends on t...

Professional Home Inspector Exam NHIE / TREC #2 Questions and Answers Rated A Document Content and Description Below Professional Home Inspector Exam NHIE / TREC #2 Questions and Answers Rated A What type of roof requires on interlayment of felt between courses? a. Wood shakes b. Roll roofing c. Wood shingles d. Slate shingles a. Wood shakes In an older home, a forced hot air furnace is replaced by a heat pump. The heat coming out of the register is: a. Hotter b. Cooler c. Same d. Depends on t...