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
Which process melts an ore to separate useful metals from the rest of the elements in the ore? smelting mining prospecting alloys
Which type of mine may be used to remove coal from a coal seam deep underground? open pit mine strip mine subsurface mine underwater mine
(1) How do self-driving cars travel safely on the streets? Sensors and cameras help self-driving cars $\square $ and $\square $ on the road.
An all wheel drive vehicle increases traction and allows the driver to better manage the vehicle in inclement weather. True False
Which is a likely reason a jacket might contain interfacing? to help it keep its shape to avoid the need for dry cleaning to make the garment easier to construct to absorb odors
The biggest maintenance problem in pneumatic systems is __ Rusted components Noisy components Overheating Air leakage
Never stand directly behind the saw blade. True False
Q7: On right side pistons the arrow on the top of the piston and the dimple on the rod __ and on left side pistons the arrow on the top of the piston and the dimple on the rod __ A. are on opposite sides / are on the same side B. face the outside of the engine/ face the inside of the engine C. face the same direction/ are on opposite sides D. face the inside of the engine/ face the outside of the engine
Technician A says that if the vehicle battery is below 12.4 volts when testing with a voltmeter it should be charged with a smart battery charger . Technician B says that correct tire readings ; are listed on a placard on the driver's side door frame. Who is correct? A) Technician A only B) Technician B only C) Both Technician A and B D) Neither Technician A nor B
The recommended tire air pressure can typically be found: In the owner's manual On a placard typically located on the driver's doorjamb On the side of the tire Both A and B
