Quiz 2

Question 1

When do the two rectifier diodes in a Full-Wave Rectifier let current through?

Answer 1

One lets through positive alteration, the other negative alteration

Question 2

How do you prevent Electrostatic Discharge (ESD)?

Answer 2

Grounding hand tools, work bench and body (wrist straps)

Question 3

What are some causes of ESD?

Answer 3

Dry conditions (0-20% humidity rate)

Question 4

How many time constants does it take for capacitor to be approximately 100% fully charged?

Answer 4

5

Question 5

What percent of the applied voltage will the capacitor be at after one time constant?

Answer 5

0.632

Question 6

Current of 50 milliamps can cause what?

Answer 6

Asphyxiation/Suffocation Heart failure

Question 7

What damage can be caused to the human body by radar waves?

Answer 7

Heat damage to internal organs without external indications

Question 8

Which is the safest way to use a wrench, by pushing or pulling?

Answer 8

Pulling

Question 9

Is it ok to use the single strand safety wire method for electrical connections?

Answer 9

Yes

Question 10

When the J-K flip-flop input is triggered in toggle mode, what is the output frequency?

Answer 10

Half of the input

Question 11

What rate of humidity is conducive for the creation of ESD conditions?

Answer 11

0-20%

Question 12

What is a typical EVR circuit?

Answer 12

Adjustable Electronic Voltage Regulator

Question 13

What is the most common type of fuselage design?

Answer 13

Semi-monocoque

Question 14

What is 250,000 written in scientific notation?

Answer 14

2.5 x 10^5

Question 15

ESD is negligible provided what condition exists?

Answer 15

All electrical/electronic structures are properly bonded

Question 16

A transistor that acts as an open or is in cut-off means Vce=Vcc.

Answer 16

True

Question 17

Where is the outer shield of a coaxial cable grounded?

Answer 17

At the source or Input edge (powered end)

Question 18

In scientific notation, what is a coefficient of a number?

Answer 18

A number multiplied by itself a specified number of times

Question 19

What flight control allows the aircraft to roll?

Answer 19

Aileron

Question 20

What is hysteresis?

Answer 20

Magnetic field lagging the change of polarity

Question 21

What is the most commonly used flip-flop?

Answer 21

J-K

Question 22

If a step up transformer has a secondary voltage of 600V, and the primary has 28V, 100 turns, and 5.5 amps, how many turns are needed in the secondary and how many amps are produced?

Answer 22

2143 turns and 257 mA

Question 23

What type of corrosion has a white powder type look to it?

Answer 23

Pitting

Question 24

What will a DMM read if a fuse is broken?

Answer 24

Infinite resistance/”OL”

Question 25

What is Kirchhoff's voltage law?

Answer 25

Sum of voltage drops equals applied voltage

Question 26

Is Hysteresis loss greater at higher or lower frequency?

Answer 26

Higher

Question 27

What ohmic value of impedance are aviation transmission lines?

Answer 27

50 Ohms

Question 28

What principle do transformers operate on?

Answer 28

Mutual Inductance

Question 29

If lamp A and lamp B are connected in parallel to a 30V source, what is the voltage across lamp A and lamp B?

Answer 29

30V on both

Question 30

If the fourth band on a resistor is silver, what is the tolerance?

Answer 30

0.1

Question 31

What happens if you connect the diodes backwards in a full wave bridge rectifier?

Answer 31

Polarity will be reversed

Question 32

When reading the resistance of a discharged capacitor it reads a constant 40 ohms. What is the problem?

Answer 32

Leaky capacitor

Question 33

If the secondary winding of a transformer is partially shorted, what will the voltage be?

Answer 33

Lower than normal voltage

Question 34

If the current in the diodes of an AC rectifier is reversed, what will happen to the output waveform?

Answer 34

Polarity is reversed

Question 35

What is the "hand-rule" for magnetic induction in generators?

Answer 35

Left hand rule

Question 36

What is the combination of a horizontal stabilizer and an elevator called?

Answer 36

Stabilator

Question 37

If your output voltage is 0V when troubleshooting a circuit, what would you check input voltage with?

Answer 37

Voltmeter

Question 38

Does the cross-section increase or decrease with a larger American Wire Gauge (AWG) number?

Answer 38

Decrease

Question 39

What is the international symbol for current?

Answer 39

Capital letter "I"

Question 40

If the volts across a capacitor is decreased, the stored voltage will?

Answer 40

Decrease

Question 41

Is effective voltage in an AC circuit greater or less than the maximum instantaneous voltage?

Answer 41

Less than

Question 42

If the capacitor value in a filter is increased, the AC ripple effect will:

Answer 42

Decrease

Question 43

The gold color band is never used as the first number on a resistor?

Answer 43

True

Question 44

If the forward bias is increased in an NPN transistor the resistance will?

Answer 44

Decrease

Question 45

If the forward bias is decreased in an NPN transistor the conduction will?

Answer 45

Decrease

Question 46

If you notice a person has a hearing injury or noise fatigue, what should you do first?

Answer 46

Remove them from the noisy area

Question 47

What is the term for the outside shape or curvature of the wing?

Answer 47

Camber

Question 48

What converts AC to DC?

Answer 48

Rectifiers

Question 49

What happens to current in a Zener diode if voltage in the reverse bias direction is increased?

Answer 49

Increases gradually, then rapidly at breakdown point

Question 50

What type of corrosion attacks the grain boundaries of metal?

Answer 50

Intergranular