Surge protectors should be installed with EVERY new and replacement system. False True SUBMIT ANSWER
In a pressure circulation system, water reaches the pump before it is filtered True C False
Vacuum system circulation systems require a hair and lint strainer to protect the pump from large debris True False
Gas Metal Arc Welding (GMAW) is the basis on which all other welding processes have been developed. A True B False
What determines the size of the circle of a curl? Select one: a. tool length b. tool diameter c. stem diameter d. base diameter
Which of the following is a device that does not switch motor contactors and starters on and off but instead are used to directly start motors? Select one: A. Thermostat B. Heavy-duty relay C. Light-duty relay D. Pulley
what are the factor considered when sizing a wire voltage drop insulation type and enclosure Safety all of the above
Question 5.02 Non-insulating couplings should have/be __ across the joint. a. Continuity b. No continuity c. Major resistance d. Open
Before you work near overhead power lines, you should: Ask the utility company to de-energize them Make sure you are using conductive tools Move equipment close to the power lines Test the lines by quickly touching them
When product is not flowing through the pig receiver, the receiver's fluid drain valve allows fluid to be transported to the production system. 1. True 2. False
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
