Associate CET Study Guide 2024 LATEST EDITION
/. B+, or supply voltages in electronics products, is considered to be:
A. +5 to +12 VDC
B. 0 to 30 V DC
C. +12 to 300 V DC
D. The anode or plate voltage supply - Answer-D. The anode or plate voltage supply
/.Leakage current in an electronic product, between either of the AC power cord
conductors and the chassis or any exposed metals should not exceed _________.
A. 5 microamps
B. 500 microamps
C. 5 milliamps
D. 50 milliamps - Answer-B. 500 microamps
/.Shaded components on the electronics schematics mean:
A. Only factory service personnel may change the part
B. Only exact replacement parts may be used
C. The shading makes for better readability
D. High voltage is present on these parts - Answer-B. Only exact replacement parts
may be used
/.Ingested solder fumes when particles _______.
A. I'm not harmful to the human body
B. Are toxic
C. From lead-tin solder aren't harmful
D. From tin-alloys are most harmful - Answer-B. Are toxic
/.Second degree skin burns should ________.
A. Not be treated with ice and bandage pack
B. Be covered with thick bandages
C. Be treated with cold water or ice
D. Be treated by draining blisters - Answer-A. Not be treated with ice and bandage pack
/.Rules describing the fire or toxicity retardant types of cabling which may be installed in
buildings is contained in _________.
,A. NEC Article 770
B. UL 569B
C. TIA/EIA standard 578
D. NEMA code 1316 - Answer-A. NEC Article 770
/.ESD and static discharge is most destructive to _______.
A. CMOS semiconductors
B. TTL semiconductors
C. Germanium PN junctions
D. Silicon PN junctions - Answer-A. CMOS semiconductors
/.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 _________.
A. Should use what knowledge you do half of the procedure and attempt it
B. Should not attempt it, but call for help
C. Should attempt it after calling for help
D. Should, if handy, read the instructions and attempt in order to save the life - Answer-
B. Should not attempt it, but call for help
/.When working at heights above 6 feet, a ________ is required by OSHA rules.
A. Linesman's belt
B. Linesman's belt attached to a lanyard
C. Full body harness attached to a lanyard that prevents more than a 6 foot drop
D. Good insurance policy - Answer-C. Full body harness attached to a lanyard that
prevents more than a 6 foot drop
/.'Phantom' current is associated with ________.
A. Northern Lights
B. Corona arcing from electrical generators
C. Charge retained by inductors
D. Charge retained by capacitors - Answer-D. Charge retained by capacitors
/.The atomic number of an element is the same as the element's atomic weight.
A. True
B. False - Answer-B. False
/.An increase in the voltage with resistance held constant causes current to
__________.
A. Decrease
B. Increase twice to value of voltage
,C. Increase
D. None of the above - Answer-C. Increase
/.The ampere, expresses __________.
A. Volts/sec increase
B. A unit of charge movement per second past a given point
C. Coulombs/charge
D. An increase in resistance - Answer-B. A unit of charge movement per second past a
given point
/.The total resistance of a parallel circuit containing equal branch resistances is found by
the following:
A. By adding all of the branch resistance values
B. By taking the product of all the branch resistance values
C. By dividing the resistance value of a branch by the number of branches
D. The value cannot be found - Answer-C. By dividing the resistance value of a branch
by the number of branches
/.A 12 V DC power supply has a 15 ohm internal resistance. What load resistance can
you be connected to transfer maximum power?
A. 15 ohms
B. 20 ohms
C. 10 ohms
D. 5 ohms - Answer-A. 15 ohms
/.Maximum power transfer occurs when the low impedance is equal to the source
impedance.
A. True
B. False - Answer-A. True
/.What will happen to the current through the resistor if the resistor value increases?
A. Current increases
B. Current remains unchanged
C. Current decreases
D. Car and the voltage across the resistor increases - Answer-C. Current decreases
/.Which type of circuit has the same voltage across each component?
A. Parallel
B. Series-parallel
C. Series
, D. Combination - Answer-A. Parallel
/.Total power in a series circuit is determined by the:
A. Source voltage times the current
B. Total voltage applied
to the circuit
C. Current flowing through the switch
D. Average wattage rating of each resistor - Answer-A. Source voltage times the current
/.Which is the equivalent to 100 microamps?
A. .1 milliamps
B. 1 milliamps
C. 10 milliamps
D. 10 Nanoamps - Answer-A. .1 milliamps
/.A resistor __________.
A. Stores an electric charge
B. Is measured in coulombs
C. In a circuit causes a voltage drop from one end to the other
D. Is dependent on lines of force - Answer-C. In a circuit causes a voltage drop from
one end to the other
/.1 kΩ is the same as __________.
A. 1 thousand ohms
B. 1 thousandth of an ohm
C. 10−² ohms
D. 10000 ohms - Answer-A. 1 thousand ohms
/.A circuit has one 500 ohm resistor in series with three 500 ohm resistors that are
connected in parallel with each other. The total resistance would be ____________.
A. 666 ohms
B. 167.7 ohms
C. 750 ohms
D. 1000 ohms - Answer-A. 666 ohms
/.The voltage rating of a capacitor ___________.
A. Must be factored into the resistance formula
B. Relates to the maximum voltage that should be applied to it
C. Indicates the maximum current the capacitor can allow
/. B+, or supply voltages in electronics products, is considered to be:
A. +5 to +12 VDC
B. 0 to 30 V DC
C. +12 to 300 V DC
D. The anode or plate voltage supply - Answer-D. The anode or plate voltage supply
/.Leakage current in an electronic product, between either of the AC power cord
conductors and the chassis or any exposed metals should not exceed _________.
A. 5 microamps
B. 500 microamps
C. 5 milliamps
D. 50 milliamps - Answer-B. 500 microamps
/.Shaded components on the electronics schematics mean:
A. Only factory service personnel may change the part
B. Only exact replacement parts may be used
C. The shading makes for better readability
D. High voltage is present on these parts - Answer-B. Only exact replacement parts
may be used
/.Ingested solder fumes when particles _______.
A. I'm not harmful to the human body
B. Are toxic
C. From lead-tin solder aren't harmful
D. From tin-alloys are most harmful - Answer-B. Are toxic
/.Second degree skin burns should ________.
A. Not be treated with ice and bandage pack
B. Be covered with thick bandages
C. Be treated with cold water or ice
D. Be treated by draining blisters - Answer-A. Not be treated with ice and bandage pack
/.Rules describing the fire or toxicity retardant types of cabling which may be installed in
buildings is contained in _________.
,A. NEC Article 770
B. UL 569B
C. TIA/EIA standard 578
D. NEMA code 1316 - Answer-A. NEC Article 770
/.ESD and static discharge is most destructive to _______.
A. CMOS semiconductors
B. TTL semiconductors
C. Germanium PN junctions
D. Silicon PN junctions - Answer-A. CMOS semiconductors
/.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 _________.
A. Should use what knowledge you do half of the procedure and attempt it
B. Should not attempt it, but call for help
C. Should attempt it after calling for help
D. Should, if handy, read the instructions and attempt in order to save the life - Answer-
B. Should not attempt it, but call for help
/.When working at heights above 6 feet, a ________ is required by OSHA rules.
A. Linesman's belt
B. Linesman's belt attached to a lanyard
C. Full body harness attached to a lanyard that prevents more than a 6 foot drop
D. Good insurance policy - Answer-C. Full body harness attached to a lanyard that
prevents more than a 6 foot drop
/.'Phantom' current is associated with ________.
A. Northern Lights
B. Corona arcing from electrical generators
C. Charge retained by inductors
D. Charge retained by capacitors - Answer-D. Charge retained by capacitors
/.The atomic number of an element is the same as the element's atomic weight.
A. True
B. False - Answer-B. False
/.An increase in the voltage with resistance held constant causes current to
__________.
A. Decrease
B. Increase twice to value of voltage
,C. Increase
D. None of the above - Answer-C. Increase
/.The ampere, expresses __________.
A. Volts/sec increase
B. A unit of charge movement per second past a given point
C. Coulombs/charge
D. An increase in resistance - Answer-B. A unit of charge movement per second past a
given point
/.The total resistance of a parallel circuit containing equal branch resistances is found by
the following:
A. By adding all of the branch resistance values
B. By taking the product of all the branch resistance values
C. By dividing the resistance value of a branch by the number of branches
D. The value cannot be found - Answer-C. By dividing the resistance value of a branch
by the number of branches
/.A 12 V DC power supply has a 15 ohm internal resistance. What load resistance can
you be connected to transfer maximum power?
A. 15 ohms
B. 20 ohms
C. 10 ohms
D. 5 ohms - Answer-A. 15 ohms
/.Maximum power transfer occurs when the low impedance is equal to the source
impedance.
A. True
B. False - Answer-A. True
/.What will happen to the current through the resistor if the resistor value increases?
A. Current increases
B. Current remains unchanged
C. Current decreases
D. Car and the voltage across the resistor increases - Answer-C. Current decreases
/.Which type of circuit has the same voltage across each component?
A. Parallel
B. Series-parallel
C. Series
, D. Combination - Answer-A. Parallel
/.Total power in a series circuit is determined by the:
A. Source voltage times the current
B. Total voltage applied
to the circuit
C. Current flowing through the switch
D. Average wattage rating of each resistor - Answer-A. Source voltage times the current
/.Which is the equivalent to 100 microamps?
A. .1 milliamps
B. 1 milliamps
C. 10 milliamps
D. 10 Nanoamps - Answer-A. .1 milliamps
/.A resistor __________.
A. Stores an electric charge
B. Is measured in coulombs
C. In a circuit causes a voltage drop from one end to the other
D. Is dependent on lines of force - Answer-C. In a circuit causes a voltage drop from
one end to the other
/.1 kΩ is the same as __________.
A. 1 thousand ohms
B. 1 thousandth of an ohm
C. 10−² ohms
D. 10000 ohms - Answer-A. 1 thousand ohms
/.A circuit has one 500 ohm resistor in series with three 500 ohm resistors that are
connected in parallel with each other. The total resistance would be ____________.
A. 666 ohms
B. 167.7 ohms
C. 750 ohms
D. 1000 ohms - Answer-A. 666 ohms
/.The voltage rating of a capacitor ___________.
A. Must be factored into the resistance formula
B. Relates to the maximum voltage that should be applied to it
C. Indicates the maximum current the capacitor can allow
