M7.4 Avionics General Test Equipment B1 & B2 V7.01

What is a limitation of built-in test equipment (BITE) in avionics systems?

• They cannot perform self-tests on themselves.

• They are not reliable for voltage measurement.

• They are too bulky to be used in aircraft.

• They are not compatible with digital circuits.

What is the product of voltage and current in an electric circuit known as?

• Resistance

• Capacitance

• Power

• Frequency

Which type of movement is commonly used in a wattmeter for power measurement?

• Moving coil movement

• Galvanometer movement

• Dynamometer movement

• Stationary coil movement

What is frequency measurement important for in AC circuits?

• Power generation

• Voltage stabilization

• Efficiency optimization

• Noise reduction

How do frequency counters determine the frequency of an unknown signal?

• Analog interpolation

• Digital counting technique

• Magnetic resonance

• Fourier analysis

What is the primary function of an oscilloscope?

• Voltage generation

• Frequency modulation

• Time-related voltage waveform display

• Resistance measurement

What does the term "pitot/static" refer to in avionics systems?

• Altitude measurement

• Air pressure measurement

• Frequency modulation

• Voltage regulation

When should leak checks be carried out in the pitot/static system?

• Only during scheduled maintenance

• After any system disturbance

• Once a year

• Only when requested by air traffic control

What is the purpose of a low-range leak check in the pitot/static system?

• To calibrate air data instruments

• To verify system integrity quickly

• To test transponder MODE C function

• To simulate altitude variations

What precaution must be taken when connecting or disconnecting pressure lines in avionic instruments?

• Apply maximum pressure for accuracy

• Ensure suction is applied for stability

• Connect at ambient conditions

• Use a manual pump for control