EMI in low-voltage circuits is often the result of __ using twisted conductors grounding the sheath sharing pathways with power circuits using sheathed power cables
What type of punch has a tapered shaft and point on the end? Brass punch Center punch Starter punch Pin punch
What do modern hydronic systems use to circulate the hot water? Select one: A. Pumps B. Gravity C. Fans D. Convection
What is the purpose of the expansion tank? Select one: A. To provide pressure for the water system B. To reduce the water temperature by expansion C. To allow room for extra water D. To allow for water volume changes due to temperature change
What materials are most commonly used for hydronic piping? Select one: A. PVC and CPVC B. CPVC and polybutylene C. Copper and galvanized iron D. Copper and cross-linked polyethylene
Which of the following can be done to prevent ground glass joints from sticking? A Lubricate the ends before joining B Use a Teflon sleeve at the joints C Both of the above D None of the above
What type of fire extinguisher should be used with electrical fires? A Type A B Type B C Type C D Any of the above
What invention made the development of the automobile possible? internal combustion engine steam engine electric motor rechargeable 12 volt battery
Which is something you should report as a possible clutch defect? A. A hard time getting into gear B. Vibration in the gas pedal C. Slow response to braking D. Oil leaks at wheel hubs
What identification information must be provided on a synthetic web slings? Hitch ratings Safety factors Date last certified Manufacturer's phone number
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
