Circuit breakers: control the amperage of an electrical current flowing into a house. are designed to keep direct currents from alternating courses allow electrons to flow freely through an insulator

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

05. How many times must glass items be wrapped in Hexcel to prevent it from being broken? one three two four

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 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

If data transfer was incomplete before the meter was removed from the docking station, it is still OK to use the meter: a. True b. False

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

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

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