19. It is important for those servicing equipment to be educated on the types of energy as well as their magnitude, potential hazards, and the method or means to control different types of energy. True False
When an oxygen analyzer is used, the maxi-mum percentage of oxygen generally allowed for an acceptable welding atmosphere is __ 4 percent 1 percent 9 percent 14 percent
How can you test to see if a diagram made usirig digital tools is a construction or just a drawing based on estimation?
Which of the following is not something the coating on a covered electrode provides? alloying elements slag formers argon gas deoxidizers
The most common steering types are? A) Fifth Wheel Steering B) Stub Axle Steering C) Stub axle steering and Fifth wheel steering D) None of the above.
Question: What is the 5th step of coupling tractor- semitrailers? Secure the tractor by putting on the parking brake and putting the transmission in neutral. Check the trailer height and make sure it is low enough that it is raised slightly by the tractor when the tractor is backed under it.
Match each two-stroke engine type listed on the left to its correct description on the right. E Reed inlet valve equiv Cross-flow scavenged A half-circle shaped disk serves as the valve and opens and closes ports as it turns The piston acts as a valve that covers and uncovers all of the ports The deflector directs the intake charge into the upper part of the cylinder The engine has a small, flexible metal plate that cover the inlet port Diameter of upper part of piston smaller than diameter of lower part of piston Design used to direct air/fuel mixture into combustion chamber as it enters the cylinder The air/fuel mixture flows in a single direction in this design E Loop scavenged Stepped piston engine E Rotary inlet valve E Uni-flow scavenged Piston-controlled inlet port
All of the following are typical duties of a chassis technician, EXCEPT: a. Servicing wheel bearings. b. Replacing shock absorbers. c. Inspecting and diagnosing the steering system. d. Replacing water pumps.
What should you do if a pipeline has been exposed to unusual stresses, such as an earthquake? perform a pipeline pressure test conduct a special one-time survey decrease the pressure in the pipeline schedule more frequent patrols
Which non -exothermic connection uses a polyester resin? split bolts conductive epoxy magnetic attachment butt splice
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