Technician A states that welding shielding gasses can displace air so adequate ventilation is necessary for your safety. Technician B states that shielding gasses are used to dissipate toxic gasses to ensure the welder's breathing zone is clear of toxic gases given off during the welding process. Who is correct? Technician A only Technician B only Both Technicians Neither Technician A nor Technician B
Which of the following does not commonly cause a cold lap? Too large a puddle Wrong travel speed Wrong wire speed All of the above can cause a cold lap
Technician A states that the deposition rate is the actual amount of weld metal deposited per unit of time. Technician B states that deposition rate is normally measured in pounds per hour. Who is correct? Technician A Technician B Both Technicians Neither Technician A nor Technician B
Which of the following manual controls are used by welders for semi-automatic MIG welding operation? Travel Speed Gun positioning Guidance All of the above are used in semiautomatic MIG welding operation
Technician A states that the basic function of shielding gasses is hold the atmosphere in contact with the metal to more easily help in the formation of oxides and nitrides to reduce weld deficiencies. Technician B states that Argon and Helium are common inert gasses used as shielding gasses. Who is correct? Technician A only Technician B only Both Technicians Neither Technician A nor Technician B
Which of the following does not affect deposition rate? Weld size Weld joint design Physical limitations of the welder to retain control of the weld puddle as travel speed in increased All of the above factors affect deposition rate
What is the BEST way to weatherproof roof penetrations when installing a rooftop solar array racking system? Use sealant and flashing Use stainless stee hardware and sealant Use stainless steel hardware and flashing Use stainless steel hardware
Line-voltage thermostats in residential applications will be damaged if connected to 120 Vac or 240 Vac. True False
Engineers, architects, and others who engage in design to solve practical problems use: Mathematical applications and intuition Scientific knowledge and parental advice Intuition and parental advice Scientific knowledge and mathematical applications
What does the emergency shut-off switch do? Select an answer. Shuts down all the dispensers. Stops the tank truck from over-filling the underground tank. Shuts down the tank monitor. Sounds an alarm.
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
