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WorksheetsBEE Ch.7 Game
Total questions: 11
Worksheet time: 11mins
Name
Class
Date
1.
What is the correct connection order of the following parts for a measurement system?
a)
filter->sensor->computer
b)
filter->computer->sensor
c)
sensor->filter->computer
d)
computer->sensor->filter
2.
How many resistors does a wheatstone bridge circuit have?
a)
1
b)
2
c)
3
d)
4
3.
In a balanced wheatstone bridge, the unknown resistance can be found by:
a)
adjust the other resistance so that the output voltage is 0.
b)
replace the unknown resistance with a known resistance.
c)
solve the circuit equations
d)
adjust the supply voltage until the output voltage is 0.
4.
Which type of sensor should be used for measuring the distance between two objects?
a)
flow sensor
b)
dimensional sensor
c)
force sensor
d)
temperature sensor
5.
If the number of decimal places of a reading of a digital multimeter is increased from 2 to 3, which of the following sensor specifications is improved?
a)
accuracy
b)
error
c)
span
d)
resolution
6.
Which of the following connections between a circuit and a measurement system can aviod the ground loop?
a)
grounded source and grounded measurement system
b)
grounded source and differential measurement system
c)
floating source and differential measurement system
d)
floating source and non-grounded measurement system
7.
Which of the following does NOT belong to a noise source?
a)
circuit switching
b)
high power circuit
c)
low power circuit
d)
radiative coupling
8.
Noise can be reduced by:
a)
long parallel wire connection
b)
reduce supply voltage
c)
electromagnetic interference
d)
shielding
9.
Why is amplification needed in measurement systems?
a)
sensor signal is usually small
b)
noise is presented in the measurement
c)
it drives the sensor circuit
d)
it provides feedback signal to the sensor
10.
An analog-to-digital converter is used for:
a)
convert the input signal into an analog form
b)
convert the input signal into a digital form
c)
control the on/off condition of a measurement system
d)
filter the unwanted signals
11.
Did you watch the required video in Moodle before attending this lecture?
a)
yes
b)
no
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