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
Which process melts an ore to separate useful metals from the rest of the elements in the ore? smelting mining prospecting alloys
Which type of mine may be used to remove coal from a coal seam deep underground? open pit mine strip mine subsurface mine underwater mine
(1) How do self-driving cars travel safely on the streets? Sensors and cameras help self-driving cars $\square $ and $\square $ on the road.
An all wheel drive vehicle increases traction and allows the driver to better manage the vehicle in inclement weather. True False
Which is a likely reason a jacket might contain interfacing? to help it keep its shape to avoid the need for dry cleaning to make the garment easier to construct to absorb odors
The biggest maintenance problem in pneumatic systems is __ Rusted components Noisy components Overheating Air leakage
Never stand directly behind the saw blade. True False
Q7: On right side pistons the arrow on the top of the piston and the dimple on the rod __ and on left side pistons the arrow on the top of the piston and the dimple on the rod __ A. are on opposite sides / are on the same side B. face the outside of the engine/ face the inside of the engine C. face the same direction/ are on opposite sides D. face the inside of the engine/ face the outside of the engine
Technician A says that if the vehicle battery is below 12.4 volts when testing with a voltmeter it should be charged with a smart battery charger . Technician B says that correct tire readings ; are listed on a placard on the driver's side door frame. Who is correct? A) Technician A only B) Technician B only C) Both Technician A and B D) Neither Technician A nor B
The recommended tire air pressure can typically be found: In the owner's manual On a placard typically located on the driver's doorjamb On the side of the tire Both A and B
