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".
Plastic components should be wiped with Motorcraft Metal Surface Prep Wipes prior to applying the RTV on the plastic component. A) TRUE B) FALSE
Select the correct answer and then click the Next button. Which coating classification BEST describes the presence of defects, but no serious corrosion? a. Good b. Fair c. Poor d. Bare
Select the correct answer and then click the Next button. What can interrupt cathodic protection and mask corrosion? a. Humidity b. Dissimilar metals c. Disbondment d. Static electricity
Select the correct answer and then click the Next button. What often causes pockets with corrosion grooves? a. Thin spots b. Wrinkled tape c. Holidays d. Air pockets
Select the correct answer and then click the Next button. What is the cause of premature pipeline corrosion? a. Keeping pipe aboveground b. Using cast iron pipe c. Coating failure d. Low product flow
Which type of slack adjuster is offered by most manufacturers because it resists over-adjustment? Select one: a. Stroke-sensing ASAs b. Clearance-sensing ASAs c. Manual slack adjusters d. Six-inch slack adjusters
Self-powered test lights are like regular test lights except that they contain a __ battery. Select one: a. 0.3-volt b. 24-volt C. . $12-volt$ d. 1.5-volt
What distinguishes a BIMODAL PV System from a UTILITY INTER-ACTIVE PV System? Bimodal has batteries Both are grid connected. Utility Interactive is cheaper
3. The engine in your car is sometimes called: A. A 4-stroke engine B. A 2-stroke engine C. An external combustion engine D. None of the answers
QUESTION: Which statement is true about the effects of ambient temperature on solid state devices? POSSIBLE ANSWERS: A solid state device is more likely to withstand excessive cold than excessive heat. The typical failure rate for a solid state device is $35^{\circ }C(95^{\circ }F)$ The failure rate for a solid state device doubles for every $10^{\circ }C$ that the temperature rises.
