WorksheetsDAQ
Total questions: 25
Worksheet time: 13mins
Output of A/D converter is _________
given to an analog display
given to a digital display
given to a CRO
given to a voltmeter
For lower accuracies _________
digital acquisition system is used
both digital and analog acquisition systems are used
analog acquisition system is used
mechanical data acquisition system is used
Digital acquisition systems are used when _________
bandwidth is high
bandwidth is medium
bandwidth is zero
bandwidth is low
A/D conversion rate is __________
variable
predefined
zero
constant
The buffer output is ________
a) analog
zero
digital
mixed mode
Which is the best example of a single channel data acquisition system?
CPM
BPM
APM
DPM
Which technique is most widely used in the single channel data acquisition system?
Counter type approximation
Flash approximation
Successive approximation
Delta Sigma approximation
How can the input be isolated from the DAQ system?
using optocouplers
using op-amps
using a capacitor
using rectifiers
Multichannel data acquisition system has __________
multiple channels
single channel
two channels
five channels
In a Multichannel Analog Multiplexed System, data stored in sample and hold circuit is converted into analog form.
True
False
How many types of multiplexed system exist?
2
3
5
10
Multichannel Analog Multiplexed System is __________
very fast
fast
slow
moderate
Multichannel Analog Multiplexed System utilises time __________
using a transformer
using a capacitor
using a flip-flop
using a mux
In a Multichannel Analog Multiplexed System __________
A/D converter is used
D/A converter is used
Sigma delta converter is used
Modulator is used
Many channels can be monitored at the same time by __________
Demultiplexing
A/D conversion
Multiplexing
D/A conversion
Multiplexing after A/D conversion provides immunity to noise.
a) True
b) False
What is a data acquisition system?
system used for data processing, conversion and transmission
accepts data as an input
removes noise
boosts the signal
A typical data acquisition system consists of __________
op amps
b) sensors
rectifiers
transistors
The data acquisition system implies input data collection __________
in mixed signal form
in analog form
in digital form
in the form of binary codes
A data acquisition system provides __________
partial communication
ineffective communication
effective communication
complete communication
Data acquisition system is mainly classified into __________
2 types
4 types
6 types
8 types
Which filter performs exactly the opposite to the band-pass filter?
Band-reject filter
Band-stop filter
Band-elimination filter
All of the mentioned
In which filter the output and input voltages are equal in amplitude for all frequencies?
All-pass filter
High pass filter
Low pass filter
All of the mentioned
Determine the order of filter used, when the gain increases at the rate of 60dB/decade on the stop band.
Second-order low pass filter
Third-order High pass filter
First-order low pass filter
None of the mentioned
Name the filter that has two stop bands?
Band-pass filter
Low pass filter
High pass filter
Band-reject filter
