The Associate CET Study Guide

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B+, or supply voltages in electronics products, is considered to be:

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1647 Terms

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B+, or supply voltages in electronics products, is considered to be:

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A. +5 to +12 VDC

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B. 0 to 30 V DC

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C. +12 to 300 V DC

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D. The anode or plate voltage supply

D. The anode or plate voltage supply

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Leakage current in an electronic product, between either of the AC power cord conductors and the chassis or any exposed metals should not exceed _.

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A. 5 microamps

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B. 500 microamps

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C. 5 milliamps

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D. 50 milliamps

B. 500 microamps

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Shaded components on the electronics schematics mean:

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A. Only factory service personnel may change the part

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B. Only exact replacement parts may be used

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C. The shading makes for better readability

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D. High voltage is present on these parts

B. Only exact replacement parts may be used

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Ingested solder fumes when particles _.

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A. I'm not harmful to the human body

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B. Are toxic

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C. From lead-tin solder aren't harmful

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D. From tin-alloys are most harmful

B. Are toxic

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Second degree skin burns should .

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A. Not be treated with ice and bandage pack

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B. Be covered with thick bandages

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C. Be treated with cold water or ice

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D. Be treated by draining blisters

A. Not be treated with ice and bandage pack

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Rules describing the fire or toxicity retardant types of cabling which may be installed in buildings is contained in _.

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A. NEC Article 770

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B. UL 569B

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C. TIA/EIA standard 578

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D. NEMA code 1316

A. NEC Article 770

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ESD and static discharge is most destructive to _.

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A. CMOS semiconductors

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B. TTL semiconductors

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C. Germanium PN junctions

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D. Silicon PN junctions

A. CMOS semiconductors

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If you have never receive formal training and practice CPR want a pricing or dummy, in the event of finding a fellow worker not breathing, you _.

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A. Should use what knowledge you do half of the procedure and attempt it

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B. Should not attempt it, but call for help

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C. Should attempt it after calling for help

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D. Should, if handy, read the instructions and attempt in order to save the life

B. Should not attempt it, but call for help

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When working at heights above 6 feet, a is required by OSHA rules.

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A. Linesman's belt

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B. Linesman's belt attached to a lanyard

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C. Full body harness attached to a lanyard that prevents more than a 6 foot drop

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D. Good insurance policy

C. Full body harness attached to a lanyard that prevents more than a 6 foot drop

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'Phantom' current is associated with .

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A. Northern Lights

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B. Corona arcing from electrical generators

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C. Charge retained by inductors

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D. Charge retained by capacitors

D. Charge retained by capacitors

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The atomic number of an element is the same as the element's atomic weight.

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A. True

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B. False

B. False

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An increase in the voltage with resistance held constant causes current to __.

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A. Decrease

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B. Increase twice to value of voltage

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C. Increase

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D. None of the above

C. Increase

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The ampere, expresses __.

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A. Volts/sec increase

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B. A unit of charge movement per second past a given point

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C. Coulombs/charge

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D. An increase in resistance

B. A unit of charge movement per second past a given point

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The total resistance of a parallel circuit containing equal branch resistances is found by the following:

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A. By adding all of the branch resistance values

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B. By taking the product of all the branch resistance values

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C. By dividing the resistance value of a branch by the number of branches

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D. The value cannot be found

C. By dividing the resistance value of a branch by the number of branches

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A 12 V DC power supply has a 15 ohm internal resistance. What load resistance can you be connected to transfer maximum power?

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A. 15 ohms

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B. 20 ohms

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C. 10 ohms

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D. 5 ohms

A. 15 ohms

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Maximum power transfer occurs when the low impedance is equal to the source impedance.

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A. True

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B. False

A. True

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What will happen to the current through the resistor if the resistor value increases?

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A. Current increases

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B. Current remains unchanged

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C. Current decreases

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D. Car and the voltage across the resistor increases

C. Current decreases

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Which type of circuit has the same voltage across each component?

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