The __ acts as a low -pressure safety switch for the air-conditioning system. A Accumulator B Fixed orifice tube C High-pressure cycling switch D Low-pressure cycling switch

Bare, green insulation or green with yellow stripes insulation is generally used for which type of conductors Equipment Grounding Conductor Equipment Power Conductors Grounded Conductors None of the options are correct

Design software for PV racking systems primarily helps by: Lowering system costs Automating installation Simulating performance outcomes Improving module lifespan

For fabricating structural and low-alloy steels, the core wires of the electrode use __ a. low-carbon steel b. high carbon steel c. high nickel alloys d. the approximate composition of the material to be welded

8. The engine cutoff switch: A. Turns the lights off B. Keeps people from turning in front of you C. Allows a rider to stop the engine while still holding the handgrip D. Improves fuel economy when riding at low speeds

Which supply pipe material is inexpensive and flexible enough to make gentle bends around corners? A) CPVC B) PEX C) PVC D) Copper

When taking apart soldered joints, use __ to separate the pipes from the fitting. A) a tubing cutter B) needlenose pliers C) an adjustable wrench D)channel-type pliers

A __ is sold only at plumbing supply stores and can cut smaller diameter PVC and CPVC pipe very fast. A) snap cutter B) power miter saw C) plastic tubing cutter D) ratcheting plastic-pipe cutter

Water supply fittings are available for all of the following except A) copper. B) PEX. C) steel. D) CPVC.

When plumbing a PEX water-supply system, which of the following steps should you perform first? A) Cut each branch supply line to length. B) Install accessible copper manifolds. C) Run PEX through holes in the framing to the manifolds. D) Support the pipe with a plastic hanger.

Hot Questions

What determines the maximum fuel outlet pressure from a mechanical diaphragm pump? a. Fuel line restriction b. Engine rpm c. Spring force d. Return check valve

How can a process technician prevent a dust explosion? A Remove moisture B Add moisture C Open a window D Keep particles in a contained area

A pressure switch is rated according to its __ pressure range. operating resting maximum minimum

Q1: Which of the following steps are NOT part of a transfer case fluid inspection? 1. Locate the oil fill plug on the transfer case and remove it using air tools. 2. Use your finger to check the oil level in the fill plug hole. 3. Add the correct amount and type of fluid if necessary. 4. Reinstall the transfer case fill plug hole and tighten to specification.

You need to install a pull box in a run of conduit.The conduit contains twenty 18 AWG wires . What is the minimum size $4''$ square box you could use? Use the following table to determine the MINIMUM size $4''$ square box required.

Pipe wrenches usually come in different sizes which are located: It doesn't matter what size the wrench is it'll work anyways. On the side of the wrench. On the internet.

A-CAC melts the base metal with a high-current electric arc between the base metal and the end of a(n) __ a) high-frequency pilot arc b) idle arc c) carbon-graphite electrode d) plasma jet

The electronic variable displacemen compressor is based on what type of compressor design? A Rotary compressor design B Swash plate compressor design C Scroll compressor design D Vane compressor design

Which is a safety procedure related to fire hose testing? Always wear full structural PPE Only use portable tanks as a water source Only walk near pressurized hose when necessary Always test hoses in lengths greater than 300 feet (100 m)

a system with low duty factor is imaging at a __ depth than a system with high duty factor. shallower Cannot be determinec using this information deeper Duty Factor and depth are not related