What are two broad types of air compressors?(Select two.) A. Variable pressure B. Positive displacement C. Dynamic D. Opposed piston
When inspecting the __ , clean any gasket material from the mating surfaces. Select one: a. Thermostat housing b. O-rings c. Clamps d. Hoses
COMPRESSED AIR SYSTEMS Which of the following are configurations of reciprocating air compressors? (Select all that apply.) A. Tandem B. Vertical C. Horizontal D. Rotary E. Horizontal balance-opposed
A Fire Alarm's secondary power can come from a battery or a(n) (3.1.1) Solar Panel Generator Capacitor Bank Windmill
Which component separates the armature from the friction disc to disengage the brake? a) Wave washer b) Col C) Magnetic particle d) Permanent magnet
Ao 3000 has no defined application even though all washer/disinfector must be capable of achieving it. True False
What is the function of the 4219 module? Adds wireless functionality Adds 8 auxiliary hardwired zones Controls lighting Resets smoke detectors
The basic micro switch can be obtained with a variety of different activating arms. True False
Limit switches contain only a single set of contacts True False
When a bumper arm is impacted, it will not cause the contacts to change position. True False
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