A pressure sensitive safety mat uses sensors that alert the controller to shutdown when there is no weight on the mat A True B False
List two products that use mechanical engineered parts?
When performing an arc-flash hazard analysis , what can you use in addition to your own observations and analysis to determine hazard classes and required PPE for a specific task? EPA website HR manuals NFPA 70E tables OSHA regulations
What power tool(s) make use of wire wheels and cup end brushes? a) cut-off saws b) electric impact wrenches c) horizontal grinders d) portable power drills
Which type of drill bit is used when the head of a fastener must be installed flat with the surface? a) Countersink bit b) Hole saw c) Mounted point (1) Twist dril bit
What did the Wright Brothers use to help them design the controls for their flying machine? Feathers Wood and fabric Bicycles Engines and propellers
Parallelogram lifts are available as which type lift? Drive on ramp. Suspension supporting. Frame supporting.
8. Some groups noticed that the green wire in the power strip seemed unnecessary. According to our reading, what is the function of the round outlet hole and the ground wire?
Which of these drum brake defects may be repairable by re-surfacing the drum? Select all the correct answers. Glazed spots (hot spots) Scoring Cracks Contamination
The principal hazard produced by the vacuum required for electron beam welding is: all choices electric shock noise ultraviolet and infrared radiation
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
