Overload relays are intended to disconnect the motor from the power line in the event that the current draw becomes excessive. True False
The three main instruments used by an electrician to troubleshoot a circuit are the voltmeter ohmmeter, and square [Select] [ Select] HIPOT ammeter wattmeter
In the point-to-point method the connections made inside the MCC are shown with solid lines. True False
Components such as float switches and pressure switches will generally be located on tanks. True False
All manufacturers use the same numbering and notation system for schematics. True False
It is common for high voltage disconnect switches to have four contacts for the switch. True False
Schematics in industry may contain several pages. True False
A number of factors can influence the actual cementation of a luting cement Select one: True False
When should you use floats or pads under the outriggers or stabilizers? When the ground settles around the crane and stabilizers If it is muddy or there is water accumulation Always use floats or pads When the stabilizers will be on asphalt
Which process answers the "how" question? Engineering, the use of data to explain things Science, the collection of knowledge Neither of these things answer "how".
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
