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
Multiple Choice 20 points What should you do if your electric breaker keeps tripping? Just turn it back on Contact an electrician See if you can fix it yourself Put a penny in it
Valve stem height is most critical on which of these? Select one: A. Non -adjustable solid lifter systems B. Adjustable solid lifter systems C. Adjustable hydraulic lifter systems D. Overhead cam engines
10) What tools are needed to measure $1/2$ T of oil?
air out of the tire? A. If the recommended psi is above the number on the gauge, add air until it reaches the recommended number B. If the recommended psi is below the number on the gauge, let air out until it reaches the recommended number C. If the recommended psi is below the number on the gauge, add air until it reaches the recommended number 3. When should you inflate or let 1 poin D. Inflate the tire until you hear a click and the air compressor stops inflating
An engineering professional must obtain a Master's Degree in engineering from an ABET- accredited program and must adhere to a code of ethics. True False
If door glass falls to operate after installation, the first step is to check electrical connections. A) True B) False
What should the operator do if there are marks from the articulating paper on the sealant after checking the occlusion? a. Remove and replace the sealant b. Remove high spots with finishing burs c. Apply additional sealant to improve coverage d. Apply the curing light for a few additional minutes
Which type of chains sprockets have annular rings? Detachable Roller Pintle Silent
A(n) __ is used in a pulling motion to smooth and shape the floor of the cavity preparation. a. hatchet b. hoe c. chisel d. excavator
Tool Required:Depth Micrometer 19.Which way do you turn the lock nut to engage and disengage the lock on the depth rod and how far does it turn? a. Engage clockwi se/Disengage counterclockwise b. Disengage clockwise/Engage counterclockwise 20.With the lock nut disengaged turn the thimble counterclockwise what happens to the depth rod? a. It retracts b. It extends c. Nothing 21.Turn the thimble clockwise, without returning to "zero" and describe what hap- pens? a. It retracts b. It extends c. Nothing 22.Now do the same thing using the ratchet stop/speeder.Is there a difference in resistance? a. Yes b. No 23.Lock the depth rod with the lock nut and attempt to turn the ratchet stop! speeder. What happens? a. Nothing b. The depth rod moves and the ratchet does not click c. The depth rod moves and the ratchet clicks d. The depth rod does not move and the ratchet clicks 24.Using the ratchet stop/speeder return the micrometer to the "zero position on the sleeve. Is the measuring rod flush with the base? a. Yes b. No 25.Replace the 0 -1" measuring rod with the $1-2''$ measuring rod. Turn the thimble to the "zero" on the sleeve. Does the measuring rod extend out of the base? a. Yes b. No
