What types of cutting files are primary used to remove relatively large amounts of materials. Double Single Mile Square
The PCS2 is normally __ , with normally __ pressure. a. Open, high b. Closed, high c. Open, low d. Closed, low
There can be a difference in the way some ICs are connected. True False
Magnetic relays are not digital devices. True False
When more current is furnished to the base of the transistor than is needed for normal operation, the transistor __ is immediately shut down is immediately reenergized is driven into saturation will only operate at half effectiveness
What air pressure safety factor is required by NFPA 13 to prevent false trips due to normal pressure variations and surges? 5 psi above the valve trip pressure 10 psi above the valve trip pressure 3 psi above the valve trip pressure 20 psi above the valve trip pressure
Technician A states that the valve train assembly consists of the valves and their operating parts.Technician B states that engine displacement typically increases as the connecting rod extends. Which Technician is correct? A Technician A B Technician B C Both technicians A and B D Neither technician A nor B
If the power and ground are sufficient, if the signal wires are communicating the proper signal, and the module is not responding, chances are that the module is faulty and needs to be replaced. Select one: True False
Courtesy lights may be designed with timing circuits that allow for the cabin lamps to stay on for a short period after all the doors are shut or the vehicle is locked. Select one: True False
What should you do if you see a LOTO Lock or Tag device on a belt system? Select the correct answer. Check first, then start the belt to retrieve the stuck bags Leave it alone and do NOT remove the device Crawl onto the belt system to check it out
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
