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
Plastic components should be wiped with Motorcraft Metal Surface Prep Wipes prior to applying the RTV on the plastic component. A) TRUE B) FALSE
Select the correct answer and then click the Next button. Which coating classification BEST describes the presence of defects, but no serious corrosion? a. Good b. Fair c. Poor d. Bare
Select the correct answer and then click the Next button. What can interrupt cathodic protection and mask corrosion? a. Humidity b. Dissimilar metals c. Disbondment d. Static electricity
Select the correct answer and then click the Next button. What often causes pockets with corrosion grooves? a. Thin spots b. Wrinkled tape c. Holidays d. Air pockets
Select the correct answer and then click the Next button. What is the cause of premature pipeline corrosion? a. Keeping pipe aboveground b. Using cast iron pipe c. Coating failure d. Low product flow
Which type of slack adjuster is offered by most manufacturers because it resists over-adjustment? Select one: a. Stroke-sensing ASAs b. Clearance-sensing ASAs c. Manual slack adjusters d. Six-inch slack adjusters
Self-powered test lights are like regular test lights except that they contain a __ battery. Select one: a. 0.3-volt b. 24-volt C. . $12-volt$ d. 1.5-volt
What distinguishes a BIMODAL PV System from a UTILITY INTER-ACTIVE PV System? Bimodal has batteries Both are grid connected. Utility Interactive is cheaper
3. The engine in your car is sometimes called: A. A 4-stroke engine B. A 2-stroke engine C. An external combustion engine D. None of the answers
QUESTION: Which statement is true about the effects of ambient temperature on solid state devices? POSSIBLE ANSWERS: A solid state device is more likely to withstand excessive cold than excessive heat. The typical failure rate for a solid state device is $35^{\circ }C(95^{\circ }F)$ The failure rate for a solid state device doubles for every $10^{\circ }C$ that the temperature rises.
