Why should some refrigerants NOT be recovered? Select one: A. Type III refrigerant cannot be reused. B. Older machines may hold toxic chemicals. C. Many machines hold too little refrigerant to recover. D. Older refrigerants have mostly dissipated already.
05. How many times must glass items be wrapped in Hexcel to prevent it from being broken? one three two four
Which devices minimize scatter radiation from reaching the image receptor (IR)? Select two. Select all that apply Grid IR Lead shield Bucky tray Radiolucent sponge
In vertical raceways, at what size must copper conductors be supported twice as often as aluminum? 1. 18 AWG through 8 AWG 2. 6AWG through 1/0 AWG 3. 2/0AWG through 4/00 2/0 AWG through 4/0 AWG 4. 4/0AWG through 350 kcmil
A series fault is one which occurs: 1. within the same conductor 2. hot leg to ground 3. phase leg to phase leg 4. hot leg and neutral
A needle valve is often used in pneumatic circuits __ To control actuator speed To reduce atmospheric pressure To control the position of the vane To measure air flow
Applications for the __ speed controls are with cylinders where loads can change periodically. Meter-in flow Meter-out flow Exhaust port Pressure port
A flow control valve is a combination of a __ Flow meter and a check valve DCV and a check valve Needle valve and a check valve Needle valve and a restrictor valve
Which type of conduit body does not provide a change in direction but may be used as a pulling point in a conduit run that has bends totaling more than 360^circ Type LL Type LB Type SLB Type C
The function of the voltage regulator is to control the output voltage by controlling the amount of excitation current supplied to the field or rotor. True False
12. A transformer can be checked for shorted turns using a __ a) VOM set to measure resistance b) VOM set to measure current c) TTR tester d) megger
A GFCI opens a circuit when it detects an improperly grounded receptacle different currents in the conductors of a circuit insulation failure in a conductor large amounts of current in a conductor
When the saw blade starts to bind you should Stop the saw and restart the cut Hold the saw tighter and finish the cut Lift the saw out of the cut Push harder
A __ is the hub of a structured wiring system and is usually located in the basement or garage. It is sometimes called a "distribution center." sub-panel field enclosure service center hub center
Because a kick -back could occur, do not stand directly in front of or behind the machine while it is being used. True False
Question 8 (1 point) Knot efficiency tends to be greater for ropes made of __ a Nylon b Polyester Manila d All of the above
Which stage in the laser printer imaging process involves the application of a uniform negative charge to the imaging drum? Transferring Stage Exposing Stage Charging Stage Developing Stage I want to review this question later. (Optional) Check my answer (Optional)
For a None pump handle detection configuration, which timer would end a transaction? No Fuel Timer End Fuel Timer Pump Finish Timer No Hose Timer
What needs to be done at the FMU if the display reads "Turn Pump Handle On?" Change the divide ratio Power reset the FMU Change pump handle detection to End Only Perform a counts test
When power is lost due to an unforeseen circumstance, a(n) __ detects the outage and automatically switches the power sources from normal to battery backup. Inverter Breaker Uninterruptible power supply Automatic Transfer Switch
