# 2A652 (Age Journeyman) Volume 2, Edit Code 6

56 Questions | Total Attempts: 86  Settings  2A652 vol 2 Ed. 6

Related Topics
• 1.
(201) Every atom must contain these types of particles.
• A.

Electrons and protons.

• B.

Electrons and neutrons.

• C.

Protons and neutrons.

• D.

Electrons, protons, and neutrons.

• 2.
(201) Up to how many valence electrons are needed to make a good conductor?
• A.

3.

• B.

4.

• C.

5.

• D.

6.

• 3.
(201) The term "dielectric" is used to describe
• A.

Conductors.

• B.

Insulators.

• C.

Doped atoms.

• D.

Semi-conductors.

• 4.
(202) This defines the flow or drift of electrons through a conductor in the same direction at the same time.
• A.

Conductivity.

• B.

Voltage.

• C.

Current.

• D.

Valence.

• 5.
(202) This is used to control current flow in a circuit.
• A.

Voltage.

• B.

Coulombs.

• C.

Resistance.

• D.

Conductivity.

• 6.
(202) The relationship of voltage, current, and resistance is expressed through
• A.

E, I, and C formula.

• B.

Power formulas.

• C.

Conductance.

• D.

Ohm’s Law.

• 7.
(203) Total current in a series circuit
• A.

Remains the same throughout the circuit.

• B.

Is the sum of the current through each component.

• C.

Is the reciprocal of the current through one component.

• D.

Is the reciprocal of the sum of the currents through each component.

• 8.
(203) In a series circuit, what is the wattage of a circuit with 28 volts applied and a total resistance of .2 ohms?
• A.

.14 watts (w).

• B.

.14 kilowatts (kw).

• C.

3.92 w.

• D.

3.92 kw.

• 9.
(203) What is the voltage drop in a series circuit with a power rating of 9.68 watts, resistances of .55 kilo ohms, 4 k ohms, and 450 ohms, and current flow through the resistors of 44 milliamp (ma), 44 ma, and 44 ma?
• A.

20 volt (v).

• B.

220v.

• C.

425v.

• D.

441v.

• 10.
(204) In a parallel circuit, the total voltage is equal to the
• A.

Sum of the voltages across each branch.

• B.

Voltage across each resistor.

• C.

Voltage across each branch.

• D.

The reciprocal of the voltage across the resistances.

• 11.
(204) Source current in a parallel circuit will be divided according to each branch’s
• A.

Voltage.

• B.

Power.

• C.

Length.

• D.

Resistance.

• 12.
(204) What is the total resistance of a parallel circuit with branch voltages of 440 volt (v) and 440v and branch currents of 4 amp (a) and 16a?
• A.

11 ohms.

• B.

22 ohms.

• C.

44 ohms.

• D.

68.75 ohms.

• 13.
(205) The area around a magnet where its influence can be felt, is defined as the
• A.

Magnetic theory.

• B.

Saturation principle.

• C.

Magnetic field.

• D.

Law of attraction and repulsion.

• 14.
(206) The electromechanical generation of a voltage requires a magnetic field, relative motion, and
• A.

A complete circuit.

• B.

A conductor.

• C.

An insulator.

• D.

• 15.
(206) In a simple generator, which would be the most difficult method used to increase the output?
• A.

Increase the area of the conductor.

• B.

Increase the amount of motion.

• C.

Increase the strength of the magnetic field.

• D.

Increase the relative resistance.

• 16.
(206) The principle behind all electromechanical generation that many aerospace equipment devices have as their basis is
• A.

Conduction.

• B.

Commutation.

• C.

Rectification.

• D.

Electromagnetic induction.

• 17.
(206) The function of the commutator in a direct current (DC) generator is to
• A.

Complete the circuit to the load.

• B.

Induce DC into the external circuit.

• C.

Rectify the input.

• D.

Change alternating current (AC) voltage to DC voltage.

• 18.
In which form does an inductor store energy as an electromagnetic device?
• A.

Heat.

• B.

Resistance.

• C.

Magnetic field.

• D.

Electrostatic field.

• 19.
(207) When direct current is applied to an inductor reaches maximum, and is steady, the magnetic field around the inductor will.
• A.

Collapse.

• B.

Stop expanding.

• C.

Start to decrease slowly.

• D.

Continue to expand slowly.

• 20.
(207) The process by which a current, or voltage, change in one coil produces a varying current in another coil is called
• A.

Inductance.

• B.

Self-induction.

• C.

Mutual induction.

• D.

Inductive reactance.

• 21.
(208) A step-up transformer has this many turns of a wire in the secondary windings over the primary windings.
• A.

Equal.

• B.

Less.

• C.

More.

• D.

None.

• 22.
(209) Basically, a relay is an electrically operated
• A.

Meter.

• B.

Motor.

• C.

Switch.

• D.

Safety device.

• 23.
(209) Once energized, a relay requires a second coil to be energized before the contacts will return to their original positions. This is called a
• A.

Locking relay.

• B.

Latching relay.

• C.

Timing relay.

• D.

Tripping relay.

• 24.
(210) A capacitor stores energy in the form of
• A.

Heat.

• B.

Resistance.

• C.

A magnetic field.

• D.

An electrostatic field.

• 25.
(210) In a capacitor, the dielectric is also known as the
• A.

Outer case.

• B.

• C.

Insulator.

• D.

Conductor.

• 26.
(210) What is the opposition of a capacitor to alternating current (AC) called?
• A.

Inductive reactance.

• B.

Impedance.

• C.

Capacitive reactance.

• D.

Capacitance.

• 27.
(210) The factors that determine the time required to charge a capacitor are the capacitance size and the
• A.

Circuit current.

• B.

Applied voltage.

• C.

Type of dielectric.

• D.

Amount of resistance.

• 28.
(211) A diode has a fairly simple construction and the diode’s anode is constructed of this type of material.
• A.

Neutral (N).

• B.

Biased (B).

• C.

Positive (P).

• D.

Negative.

• 29.
(211) A diode placed in a circuit in reverse bias is being used as
• A.

A spike protector.

• B.

An amplifier.

• C.

A regulator.

• D.

A rectifier.

• 30.
(212) A Zener diode will conduct in reverse-bias
• A.

For a second or two at a time.

• B.

Until the gate potential has been reached.

• C.

Once the avalanche point has been reached.

• D.

Until an operational breakdown point has been reached.

• 31.
(212) This happens to the Zener diode in the forward-bias direction.
• A.

Is destroyed.

• B.

Acts as a normal diode.

• C.

Conducts at zener value.

• D.

Exceeds the peak inverse voltage rating.

• 32.
(212) A Zener being used as a regulator must have a resistor placed in the circuit in
• A.

Series.

• B.

Parallel.

• C.

Everse-bias.

• D.

Series-parallel.

• 33.
(213) A light-emitting diode (LED) produces light when it is
• A.

Gated.

• B.

Neutral.

• C.

Forward-biased.

• D.

Reverse-biased.

• 34.
(213) What is the approximate operating voltage of a forward-biased light-emitting diode (LED)?
• A.

.5 volts.

• B.

.1 volt.

• C.

1.6 volts.

• D.

2.4 volts.

• 35.
(214) How many PN junctions does the silicon-controlled rectifier (SCR) have?
• A.

One.

• B.

Two.

• C.

Three.

• D.

Four.

• 36.
(214) A silicon controlled rectifier (SCR) is mainly used as a/an
• A.

Fuse.

• B.

Spike protector.

• C.

Circuit breaker.

• D.

Electronic switch.

• 37.
(214) The amount of current required to gate a silicon-controlled rectifier (SCR) is called
• A.

Forward breakover voltage.

• B.

Holding current.

• C.

Peak voltage.

• D.

Gate current.

• 38.
(214) In order for a silicon-controlled rectifier (SCR) to be turned off, the
• A.

Forward breakover voltage must exceed the holding voltage.

• B.

Current must drop below the holding current.

• C.

Negative amp switch must activate.

• D.

Negative volt switch must activate.

• 39.
(214) Which type of silicon-controlled rectifier (SCR) would be most effective to switch 4 amperes at up to 425 volts?
• A.

Low current.

• B.

Medium current.

• C.

High current.

• D.

Very high current.

• 40.
(215) Which troubleshooting step involves knowing proper equipment operation?
• A.

Analysis.

• B.

Recognition.

• C.

Repair and check.

• D.

Elimination and isolation.

• 41.
(215) During which troubleshooting step do you begin to use the schematic diagram as an invaluable tool?
• A.

Recognition.

• B.

Verification.

• C.

Analysis.

• D.

Isolation.

• 42.
(216) Which troubleshooting aid is designed to assist you in finding the actual unit location of electrical components?
• A.

Zones.

• B.

Schematic.

• C.

Wiring diagram.

• D.

Reference designation index.

• 43.
(216) This troubleshooting aid is designed to assist you in finding components on a diagram.
• A.

Zone.

• B.

Schematic.

• C.

Wiring diagram.

• D.

Reference designation index.

• 44.
(217) The bar graph of the 8025A multimeter is updated 10 times as often as the digital display. What does the bar graph indicate?
• A.

Absolute value.

• B.

Digital display.

• C.

Operating mode.

• D.

Range indication.

• 45.
(217) When conducting current checks, you should connect the multimeter in the circuit in
• A.

Reverse order.

• B.

Series-parallel.

• C.

Parallel.

• D.

Series.

• 46.
(217) When performing a continuity check on a wire using the diode test mode, a good wire will register
• A.

As OL.

• B.

As zero.

• C.

As infinity.

• D.

A beep.

• 47.
(218) Use this to set a value to the oscilloscope’s vertical grid markings.
• A.

Focus.

• B.

Pitch control.

• C.

Voltage selector.

• D.

Time sweep selector.

• 48.
(219) This could be the indication from the 8025A multimeter when you are checking a serviceable capacitor.
• A.

A beep.

• B.

An extended analog bar graph.

• C.

An OL display.

• D.

A 0 ohms display.

• 49.
(219) How many junctions are checked to test the serviceability of a transistor?
• A.

1.

• B.

2.

• C.

3.

• D.

4.

• 50.
(220) One way you are able to identify electrostatic sensitive devices is by
• A.

The MIL-SPC–235 symbol or a warning marking.

• B.

The special coloring package as specified in local directives.

• C.

The MIL-STD–129 symbol or a caution marking.

• D.

A special control number as specified in local directives.

• 51.
(221) A heat sink is used in soldering to
• A.

Prevent heat from damaging the component being soldered.

• B.

Prevent heat from damaging other components in the circuit.

• C.

Apply heat to the component being soldered.

• D.

Apply heat to other components in the circuit.

• 52.
(221) A pitted or worn soldering iron tip should be redressed with a flat, fine, single-cut file, and then be
• A.

Tinned.

• B.

Cleaned of solder.

• C.

Replaced.

• D.

Checked for length.

• 53.
(222) You insert a wire into a solder cup until this happens.
• A.

Wire reaches the bottom of the cup.

• B.

Wire protrudes from the weep hole.

• C.

Wire clears the top of the cup.

• D.

Insulation touches the cup.

• 54.
(222) A good solder cup connection shows the
• A.

Insulation.

• B.

Solder flux.

• C.

Wire number.

• D.

Wire contour.

• 55.
(223) This is the best method of repairing a lifted or peeled conducting strip on a printed circuit board (PCB).
• A.

Bond it.

• B.

Glue it.

• C.

Replace it with bare wire.

• D.

Replace it with insulated wire.

• 56.
Which one do you like?
• A.

Option 1

• B.

Option 2

• C.

Option 3

• D.

Option 4