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
Plastic components should be wiped with Motorcraft Metal Surface Prep Wipes prior to applying the RTV on the plastic component. A) TRUE B) FALSE
Select the correct answer and then click the Next button. Which coating classification BEST describes the presence of defects, but no serious corrosion? a. Good b. Fair c. Poor d. Bare
Select the correct answer and then click the Next button. What can interrupt cathodic protection and mask corrosion? a. Humidity b. Dissimilar metals c. Disbondment d. Static electricity
Select the correct answer and then click the Next button. What often causes pockets with corrosion grooves? a. Thin spots b. Wrinkled tape c. Holidays d. Air pockets
Select the correct answer and then click the Next button. What is the cause of premature pipeline corrosion? a. Keeping pipe aboveground b. Using cast iron pipe c. Coating failure d. Low product flow
Which type of slack adjuster is offered by most manufacturers because it resists over-adjustment? Select one: a. Stroke-sensing ASAs b. Clearance-sensing ASAs c. Manual slack adjusters d. Six-inch slack adjusters
Self-powered test lights are like regular test lights except that they contain a __ battery. Select one: a. 0.3-volt b. 24-volt C. . $12-volt$ d. 1.5-volt
What distinguishes a BIMODAL PV System from a UTILITY INTER-ACTIVE PV System? Bimodal has batteries Both are grid connected. Utility Interactive is cheaper
3. The engine in your car is sometimes called: A. A 4-stroke engine B. A 2-stroke engine C. An external combustion engine D. None of the answers
QUESTION: Which statement is true about the effects of ambient temperature on solid state devices? POSSIBLE ANSWERS: A solid state device is more likely to withstand excessive cold than excessive heat. The typical failure rate for a solid state device is $35^{\circ }C(95^{\circ }F)$ The failure rate for a solid state device doubles for every $10^{\circ }C$ that the temperature rises.
