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
18. When you get done with running a bead on your welder, you should __ A. Turn off the welder B. Remove the electrode from the holder C. Set up your materials for your next pass D. Uncontrollably waive the live holder around your work space
What does a marine pump out station do? Pumps out waste from holding tanks Cleans contaminated fuel tanks Removes water from flooded bilges Controls water flow at a dam
A vertical spill is the toughest to control due to (Select all that apply): You do not know what the material will come in contact with You cannot see where the spill is going It is not easily contained. They are predictable
3 Multiple Choice 1 point In welding detail drawings welding symbols are used to show how the pieces are to be __ cut joined aligned machined Multiple Choice 1 point The main purpose of an assembly drawing is to show how the parts are __ to be used leader line going to appear in three dimensions put together in relation to one another
Resistance welding uses electric current and __ to join metals. continuous electrodes electron beams ionized gas pressure
When surfacing with high-alloy ferrous materials, the abrasion resistance __ and the impact strength __ as the alloy content increases. decreases, decresses decreases, increases increases, decreases increases; increases
Which of the following is a step in edge preparation for ferrous metals? Aligning the edges Cutting or gouging the edge Marking the weld's location Removing nicks and burrs
Which humidifier uses a pad consisting of numerous layers of a tight metallic mesh wetted by water delivered from above? Fixed filter Piezoelectric Plate Vaporizing Question 4 Which humidifier uses a series of porous materials that wick water upward to be evaporated by passing air? Fixed filter Piezoelectric Plate Vaporizing 5
In shielded metal arc welding, the shield is made of alloy metal flux gas oxides
22. Cylinder seals were commonly made from which of the following materials? a. Gold b. Glass c. Bronze d. Limestone
