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A transducer contains a chain of sensors?
(Yes -No) |
No
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An advantage of using negative feedback is that it will make the system tolerant to sensor inaccuracy?
(Yes -No) |
No
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Does the Arduino UNO board contain a microcontroller? (Yes - No)
|
Yes
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Data Acquisition Boards always include some memory to store data?<br />
(Yes - No) |
No
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In case of a linear transfer function, zero drift has an impact on accuracy?
|
Yes
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If saturation is reached in a measurement system, does this imply a decrease of sensitivity?
(Yes - No) |
Yes
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Measurements from digital multimeter produce the following values (4.001; 4.002; 4.001; 4.001). Which is the resolution uncertainty?
(±0.001 - ±0.0005) |
±0.0005
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Is noise a source of systematic errors?
(Yes - No) |
No
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A linear transfer function can be calibrated with two measurement standards?<br />
(Yes - No) |
Yes
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If the time constant of a system is 0.1 seconds does this mean that at 0.1 seconds it has reached half of the change it goes after step response?
(Yes - No) |
No
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First-order sensors such as temperature sensors may briefly oscillate after a sudden change in the stimulus (temperature)?
(Yes - No) |
No
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Assuming some level of noise, does it make sense to average output values from a measurement system in order to obtain a more precise measurement?<br />
(Yes - No) |
Yes
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Resistors with a ±0.05% tolerance will be significantly more expensive than resistors with a ±1% tolerance? (Assume that all other features are equal)
(Yes - No) |
Yes
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1.000x10^3 has four significant digits?
(Yes - No) |
Yes
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How many significant digits 0.1 has?
(1-2) |
1
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How many significant digits 7.90 has?
(2-3) |
3
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Can you be sure about the number of significant digits in 7000?
(Yes - No) |
No
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How many digits you will use to report the result of 111 kg + 1 g?
(1-3) |
3
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How many digits you will use to report the result of 111 kg x 1 g?
(1-3) |
1
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How you will express the result of 1.2 kg - 0.02 kg?
(1.2 kg - 1.1 kg) |
1.2 kg
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If L=1. 00 km with an uncertainty of 0.10 km, how you will report the value?
(1.00±0.10 km - 1.0 ± 0.1 km) |
1.00±0.10 km
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Does the capacitance between two metallic plates increases as it distance decreases?
(Yes - No) |
Yes
|
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Transformers can be employed for increasing the power of signals?
(Yes - No) |
No
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Is cable shielding employed to minimize inductively coupled interferences?
(Yes - No) |
No
|
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Resistivity (ρ) units?
(Ω.m - Ω/m) |
Ω.m
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Electronic noise in a sensor can be minimized by amplifying its output signal?
(Yes - No) |
No
|
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If an AC current is applied through the body, which frequency is more likely to cause fibrillation?
(10 Hz - 100 kHz) |
10 Hz
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Are DC voltages safer than AC voltages?
(Yes - No) |
Yes
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Are battery powered devices free from electrical hazards?
(Yes - No) |
No
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Are Residual-Current Devices (RCDs) employed to prevent currents through the human body to earth?
(Yes - No) |
Yes
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