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".
What determines the maximum fuel outlet pressure from a mechanical diaphragm pump? a. Fuel line restriction b. Engine rpm c. Spring force d. Return check valve
How can a process technician prevent a dust explosion? A Remove moisture B Add moisture C Open a window D Keep particles in a contained area
A pressure switch is rated according to its __ pressure range. operating resting maximum minimum
Q1: Which of the following steps are NOT part of a transfer case fluid inspection? 1. Locate the oil fill plug on the transfer case and remove it using air tools. 2. Use your finger to check the oil level in the fill plug hole. 3. Add the correct amount and type of fluid if necessary. 4. Reinstall the transfer case fill plug hole and tighten to specification.
You need to install a pull box in a run of conduit.The conduit contains twenty 18 AWG wires . What is the minimum size $4''$ square box you could use? Use the following table to determine the MINIMUM size $4''$ square box required.
Pipe wrenches usually come in different sizes which are located: It doesn't matter what size the wrench is it'll work anyways. On the side of the wrench. On the internet.
A-CAC melts the base metal with a high-current electric arc between the base metal and the end of a(n) __ a) high-frequency pilot arc b) idle arc c) carbon-graphite electrode d) plasma jet
The electronic variable displacemen compressor is based on what type of compressor design? A Rotary compressor design B Swash plate compressor design C Scroll compressor design D Vane compressor design
Which is a safety procedure related to fire hose testing? Always wear full structural PPE Only use portable tanks as a water source Only walk near pressurized hose when necessary Always test hoses in lengths greater than 300 feet (100 m)
a system with low duty factor is imaging at a __ depth than a system with high duty factor. shallower Cannot be determinec using this information deeper Duty Factor and depth are not related