FREE AVIATION AND STUDY GAMES ABOUT AETNCATT

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FREE AVIATION AND STUDY GAMES ABOUT AET(NCATT)

EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -219 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: where is the outer shield of a coax cable grouded at

Answer:

at the source or input edge

Question 2: what are some causes of ESD

Answer:

dry conditions(0-20 humidity rate) or poor boding

Question 3: what type of wave form is produced by a sinusoidal oscillator

Answer:

sine wave

Question 4: what type of transistor is T1

Answer:

N-channel JFET

Question 5: what type of amplifier coupling is used for impedance matching and circuit isolation

Answer:

transformer Question 6: the thermocouple transducer will increase its output voltage when the heat is

Answer:

increased Question 7: what is the resistance and tolerance of resistor value yellow-blk-wh-gold

Answer:

40 G ohms +/-5%

Question 8: what do trim tabs do

Answer:

work with flight controls to reduce the workload on the pilot(balance the forced across control surfaces)

Question 9: what percent is Collector current

Answer:

95%

Question 10: describe a full subtractor

Answer:

there is a borrow applied to the input

Question 11: ESD is negligible provided what

Answer:

that all electrical structural are properly bonded or grounded Question 12: when removing an ESDS circuit card from a transmitter the electronic technician must

Answer:

be at the same potential as the transmiter

Question 13: who is responsible for providing an msds with chemicals

Answer:

chemical manufacturer

Question 14: what type of transistor is T6

Answer:

P-channel Enhancement-mode MOSFET

Question 15: how do you prevent ESD

Answer:

grounding hand tools work bench and body(wrist straps) Question 16: what happens to current in a Zener diode if voltage in the reverse bias directions is increased

Answer:

increase (it will decrease if the voltage increase is in the forward bias direction)

Question 17: what is the purpose of a capacitor

Answer:

Store electrical energy

Question 18: what mode is the referenced Op Amp operating in

Answer:

inverting mode

Question 19: what is kirchhoffs voltage law

Answer:

the sum of the voltage drop across the resistors must be equal the voltage applied

Question 20: when is hysteresis loss the greatest

Answer:

at high frequency

Question 21: why is stainless steel safety wire used with steel bolts

Answer:

prevent dissimilar metal corrosion

Question 22: what would the voltage be in the secondary winding

Answer:

0Volts

Question 23: Resistor color band grey is

Answer:

8 Question 24: how many time constants does it take for a capacitor to be approximately 100% fully charged

Answer:

• times constants

Question 25: if the forward bias is increased in a NPN transistor the resistance will

Answer:

decrease Question 26: when testing a diode, infinite resistance is measured in both direction. what is the problem

Answer:

the diode is open

Question 27: Resistor color band red is

Answer:

2 Question 28: what is the resistance of normally closed contacts when the relay is de-energized

Answer:

0-ohms/short