AET NCATT Questions with CORRECT Answers

AET NCATT Questions with CORRECT Answers

Question:
What is Kirchhoff's voltage law?
Answer:
The sum of the voltage drop across the resistors must equal the voltage applied.


Question:
Is Hysteresis loss greater at higher or lower frequency?
Answer:
Higher


Question:
What ohmic value of impedance are aviation transmission lines (antennas, coax)?
Answer:
50 Ohms


Question:
What principle do transformers operate on?
Answer:
Mutual Inductance


Question:
If the fourth band on a resistor is silver, what is the tolerance?
Answer:
10%


Question:
What happens if you connect the diodes backwards in a full wave bridge rectifier?
Answer:
Polarity will be reversed

, Question:
When reading the resistance of a discharged capacitor it reads a constant 40 ohms.
What is the problem?
Answer:
Leaky capacitor


Question:
If the secondary winding of a transformer is partially shorted, what will the voltage be?
Answer:
Lower than normal voltage


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


Question:
What is the "hand-rule" for magnetic induction in generators?
Answer:
Left hand rule


Question:
What is the combination of a horizontal stabilizer and an elevator called?
Answer:
Stabilator


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