1. To measure displacements during earthquake, the seismometer is designed in such way that the natural frequency is equal to the excitation frequency. o True o False 2. A 200-slot incremental encoder producing 1150 pulses as the shaft rotated, what is the relative and absolute position of the shaft. 3. The highest and lowest quantity that can be detected by the measuring device is o Span o Range o Accuracy o Precision 4. The −−−−− and −−−−− amplify the difference between two signals o Differential o Summing o Differentiator o Instrumentation 5. An RTD with a range of - 200 to 700 °C is used to measure the temperature inside a furnace, the actual temperature is 500 and the RTD is producing a reading of one degree away from the true value. Calculate its accuracy and relative error. 6. The response of a band rejected filter is characterized in −−−−−. 7. If two signals of different amplitude are connected to inverting and non-inverting inputs of an open loop OP Amp, the Op Amp is said to work in the −−−−−. o Linear region o Saturated region 8. An 8-bit A/D converter is equipped inside an Arduino Uno to acquire a standard 5V max analogue signals. Calculate the resolution of ADC. 9. The maximum bit uncertainty during a transition in 4-bit binary encoder is o 1 bit o 2 bits o 3 bits o 4 bits 10. RTD and thermistor work according to the same principle in which the increase in temperature causes the resistance of the sensor to increase. o True o False 11. A Wheatstone bridge is used instead of a single resistor strain gage because o Zero balanced o Offer temperature compensation o Better sensitivity and accuracy o All of the above 12. The thermoelectric voltage relies on the junction and the environment temperatures. o True o False
1. To measure displacements during earthquake, the seismometer is designed in such way that the natural frequency is equal to the excitation frequency.
o True
o False
2. A 200-slot incremental encoder producing 1150 pulses as the shaft rotated, what is the relative and absolute position of the shaft.
3. The highest and lowest quantity that can be detected by the measuring device is
o Span
o Range
o Accuracy
o Precision
4. The −−−−− and −−−−− amplify the difference between two signals
o Differential
o Summing
o Differentiator
o Instrumentation
5. An RTD with a range of - 200 to 700 °C is used to measure the temperature inside a furnace, the actual temperature is 500 and the RTD is producing a reading of one degree away from the true value. Calculate its accuracy and relative error.
6. The response of a band rejected filter is characterized in −−−−−.
7. If two signals of different amplitude are connected to inverting and non-inverting inputs of an open loop OP Amp, the Op Amp is said to work in the −−−−−.
o Linear region
o Saturated region
8. An 8-bit A/D converter is equipped inside an Arduino Uno to acquire a standard 5V max analogue signals. Calculate the resolution of ADC.
9. The maximum bit uncertainty during a transition in 4-bit binary encoder is
o 1 bit
o 2 bits
o 3 bits
o 4 bits
10. RTD and thermistor work according to the same principle in which the increase in temperature causes the resistance of the sensor to increase.
o True
o False
11. A Wheatstone bridge is used instead of a single resistor strain gage because
o Zero balanced
o Offer temperature compensation
o Better sensitivity and accuracy
o All of the above
12. The thermoelectric voltage relies on the junction and the environment temperatures.
o True
o False
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