Engine speed may be controlled: Manually by the throttle. Automatically by a governor. Both of the above.

What might be included in a shotgun designed to fire slugs? A bigger barrel A cylinder choke A rifled bore A shotgun sight

When does the liquid flow from the suction line into the suction stabilizer? D During the suction stroke. When the suction valve closes. When the suction valve opens. D During the discharge stroke.

Pulsation dampeners are found on: Reciprocating pumps. Rotary pumps.

In addition to all exposed pipe, pipe supports, pipeline components , and spans over water, what other area should be included in your visual inspection of pipe for mechanical damage? Pipeline and components at ground level on risers Internal pipe surfaces Holidays in pipe coating

Lubrication before startup and during loading of compressors with newly installed packing rings should be heavier than normal. True False

What is the greatest threat to the building's durability because it can move the most water vapor into the walls? Conduction Convection air flow Vapor diffusion Capillary flow

Ultraviolet and __ rays are harmful rays emitted during arc welding. square

__ is a recommended material for protective clothing for welding or cutting. Polyester Asbestos Leather Nylon

Duct leakage from ductwork located in unconditioned spaces can cause: (check all that apply) pressure differences in the conditioned space relative to outdoors that can drive air leakage through the building shell. degradation of indoor air quality by pulling in polluted air. heat loss and unnecessary energy waste. comfort complaints

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