Q1.
What is electronic measurement?
Correct Answer:
B
Electronic measurement uses electronic instruments to measure electrical parameters.
Q3.
What is digital measurement system?
Correct Answer:
B
Digital systems process measurements in digital form.
Q4.
What is resolution in measurement?
Correct Answer:
B
Resolution is the smallest change detectable.
Q5.
What is sensitivity of instrument?
Correct Answer:
B
Sensitivity is output change per input change.
Q6.
What is accuracy?
Correct Answer:
B
Accuracy measures closeness to actual value.
Q7.
What is precision?
Correct Answer:
B
Precision is consistency of repeated measurements.
Q8.
What is error in measurement?
Correct Answer:
B
Error is deviation from true value.
Q9.
What is systematic error?
Correct Answer:
B
Systematic errors are predictable.
Q10.
What is random error?
Correct Answer:
B
Random errors vary unpredictably.
Q11.
What is calibration?
Correct Answer:
B
Calibration ensures instrument accuracy.
Q12.
What is analog measurement?
Correct Answer:
B
Analog measurement uses continuous signals.
Q13.
What is digital measurement?
Correct Answer:
B
Digital measurement uses discrete values.
Q14.
What is signal conditioning?
Correct Answer:
B
Signal conditioning improves signal quality.
Q15.
What is transducer?
Correct Answer:
B
Transducers convert physical signals to electrical signals.
Q16.
What is sensor?
Correct Answer:
B
Sensors detect physical parameters.
Q17.
What is active transducer?
Correct Answer:
B
Active transducers produce their own output signal.
Q18.
What is passive transducer?
Correct Answer:
B
Passive transducers need external excitation.
Q19.
What is oscilloscope used for?
Correct Answer:
B
Oscilloscope displays signal waveforms.
Q20.
What is multimeter used for?
Correct Answer:
B
Multimeter measures electrical quantities.
Q21.
What is LVDT?
Correct Answer:
A
LVDT measures linear displacement.
Q22.
What is strain gauge?
Correct Answer:
B
Strain gauge measures deformation.
Q23.
What is bridge circuit in measurement?
Correct Answer:
B
Bridge circuits measure resistance accurately.
Q24.
What is Wheatstone bridge used for?
Correct Answer:
B
Wheatstone bridge measures unknown resistance.
Q25.
What is loading effect?
Correct Answer:
B
Measurement affects circuit behavior.
Q26.
What is instrument range?
Correct Answer:
B
Range defines measurement limits.
Q27.
What is drift in measurement?
Correct Answer:
B
Drift is gradual change in readings.
Q28.
What is hysteresis in instruments?
Correct Answer:
B
Hysteresis causes measurement difference.
Q29.
What is digital voltmeter?
Correct Answer:
B
DVM measures voltage using digital display.
Q30.
What is ADC?
Correct Answer:
B
ADC converts analog signals to digital.
Q31.
What is DAC?
Correct Answer:
B
DAC converts digital signals to analog.
Q32.
What is sampling in measurement?
Correct Answer:
B
Sampling converts signals into discrete form.
Q33.
What is quantization?
Correct Answer:
B
Quantization converts signal amplitude into levels.
Q35.
What is data acquisition system?
Correct Answer:
B
DAQ systems collect and process data.
