True or False: Miners should not manually lubricate machinery or equipment while it is in motion. True False
Start the saw with the blade no closer than 1/8 inch from the material to be cut. True False
Before operating a power miter in the work place you must: Receive training Inspect it Refer to manufacturer's instructions All of these are correct
7. During what two strokes are both the intake and the exhaust valves open? Ans. __
Some manifolds contain multiple __ valves, each performing different functions such as flow control or pressure control. Spin-on Cartridge Strainer Resorvoir
What is the function of the shading coils in a shaded-pole motor? Increasing the motor's running efficiency Providing an induced current and rotating field Reversing the direction of the motor Enhancing heat dissipation
If you come into contact with electrical lines, you should: Warn everyone around the machine to keep clear Have someone call 911 Stay there and only leave the machine if you have to All of the above
Schematics in industry are often small. True False
Fire extinguishers should be inspected when they are initially placed in service and thereafter at approximately 30 day intervals. A. True B.False
If a fire extinguisher valve is removed from service, the fire extinguisher should be purged with which of the following: (select 2) A. Nitrogen B. Manganese C. Argon D. Boron
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
