A/D conversion rate is ____
1.variable
2.predefined
3.zero
4. constant
Posted Date:-2022-05-09 05:11:45
A/D converters can’t be used for low frequency ranges.
1.True
2.False
3.all of the above
4.None of the mentioned
Posted Date:-2022-05-09 05:13:13
ADD ON card is used for _______
1. to reduce noise
2.communication
3.to boost the magnitude
4.to measure voltage
Posted Date:-2022-05-09 05:21:00
Feedback path element measure only input parameters.
1.True
2.False
3.all of the above
4.None of the mentioned
Posted Date:-2022-05-09 05:26:59
For proper feedback in a process control element, it is required to ________
1.measure P
2.measure set point
3.measure error
4.measure comparator
Posted Date:-2022-05-09 05:26:43
How many types of multiplexed system exist?
1.2
2.3
3.5
4.10
Posted Date:-2022-05-09 05:16:41
In a Multichannel Analog Multiplexed System _______
1. A/D converter is used
2. D/A converter is used
3. Sigma delta converter is used
4. Modulator is used
Posted Date:-2022-05-09 05:17:54
In a Multichannel Analog Multiplexed System, data stored in sample and hold circuit is converted into analog form.
1.True
2.False
3.all of the above
4.None of the mentioned
Posted Date:-2022-05-09 05:18:12
Input signal range in a PC based data acquisition system is _______
1.0.10 mV to 1 V
2.1 mV to 100 V
3. 5 mV to 5 V
4.10 mV to 10 V
Posted Date:-2022-05-09 05:23:27
Mechanical transducers generate ________
1.electrical signals
2.chemical signals
3.physical signals
4.biological signals
Posted Date:-2022-05-09 05:58:16
Multiplexing after A/D conversion provides immunity to noise.
1.True
2. False
3.all of the above
4.None of the mentioned
Posted Date:-2022-05-09 05:19:27
System parameters are distinguished by physical attributes.
1.True
2.False
3.all of the above
4.None of the mentioned
Posted Date:-2022-05-09 05:22:09
The buffer output is _____
1. analog
2.zero
3.digital
4. mixed mode
Posted Date:-2022-05-09 05:12:05
What are auxiliary equipments?
1. equipment
2.guard rings
3.devices
4.voltage source
Posted Date:-2022-05-09 05:08:33
A process control system consists of ____
1. 10 elements
2.6 elements
3.2 elements
4. 4 elements
Posted Date:-2022-05-09 05:26:17
A single channel data system consists of a signal conditioner, A/D converter and a buffer.
1. True
2.False
3.all of the above
4.None of the mentioned
Posted Date:-2022-05-09 05:11:24
A transducer converts _____
1.mechanical quantity to electrical form
2.electrical quantity to physical form
3. physical quantity to electrical form
4.chemical quantity to physical form
Posted Date:-2022-05-09 05:56:16
A transducer is part of a large circuit and produces the required output.
1.True
2.False
3.all of the above
4.None of the mentioned
Posted Date:-2022-05-09 05:56:57
A/D converter is used for _____
1.converting analog to digital
2. converting digital to analog
3. converting digital to mixed signal mode
4.converting analog to mixed signal mode
Posted Date:-2022-05-09 05:07:37
Amplified input signal is digitised through ____
1. A/D converters
2.D/A converters
3.Rectifiers
4.Sigma delta modulators
Posted Date:-2022-05-09 05:24:11
An electrical transducer consists of ________
1.4 parts
2.6 parts
3.8 parts
4.2 parts
Posted Date:-2022-05-09 05:56:37
Before and after each test, calibration is carried out.
1.True
2.False
3.all of the above
4.None of the mentioned
Posted Date:-2022-05-09 05:06:51
Data acquisition systems are not widely used.
1. True
2.False
3.all of the above
4.None of the mentioned
Posted Date:-2022-05-09 05:09:39
Data analysis hardware is used for _______
1.making the process independent
2.slowing the process
3. fastening the process
4.making the process constant
Posted Date:-2022-05-09 05:22:55
Digital acquisition systems are used when ____
1.bandwidth is high
2.bandwidth is medium
3.bandwidth is zero
4. bandwidth is low
Posted Date:-2022-05-09 05:10:26
Digital outputs are obtained from _______
1. A/D converter
2. D/A converter
3. Oscilloscope
4.Voltage source
Posted Date:-2022-05-09 05:12:53
Electrical signals are easy to amplify.
1. True
2. False
3.all of the above
4.None of the mentioned
Posted Date:-2022-05-09 05:59:14
Electrical transducers generate _______
1.biological signals
2.chemical signals
3.physical signals
4. electrical signals
Posted Date:-2022-05-09 05:58:58
For lower accuracies ______
1. digital acquisition system is used
2.both digital and analog acquisition systems are used
3. analog acquisition system is used
4.mechanical data acquisition system is used
Posted Date:-2022-05-09 05:10:02
How can the input be isolated from the system?
1.using optocouplers
2. using op-amps
3.using a capacitor
4.using rectifiers
Posted Date:-2022-05-09 05:15:42
How many types of transducers are there?
1.2
2.4
3.6
4.8
Posted Date:-2022-05-09 05:57:26
Many channels can be monitored at the same time by ________
1.Demultiplexing
2. A/D conversion
3.Multiplexing
4.D/A conversion
Posted Date:-2022-05-09 05:18:33
Mechanical transducers sense ______
1.electrical changes
2. physical changes
3. chemical changes
4.biological changes
Posted Date:-2022-05-09 05:57:50
Multichannel Analog Multiplexed System is ______
1. very fast
2.fast
3.slow
4. moderate
Posted Date:-2022-05-09 05:17:02
Multichannel Analog Multiplexed System utilises time _____
1.using a transformer
2.using a capacitor
3. using a flip-flop
4.using a mux
Posted Date:-2022-05-09 05:17:25
Multichannel data acquisition system has _______
1.multiple channels
2.single channel
3. two channels
4.five channels
Posted Date:-2022-05-09 05:16:23
Multiplexing after A/D conversion involves ________
1.noisy data
2. mixed signal data
3.analog data
4.digital data
Posted Date:-2022-05-09 05:19:08
Output of A/D converter is ______
1. given to an analog display
2. given to a digital display
3.given to a CRO
4. given to a voltmeter
Posted Date:-2022-05-09 05:08:01
PC based data acquisition system displays system parameters _______
1. once in a while
2.intermittently
3. continuously
4.only at specific intervals
Posted Date:-2022-05-09 05:21:23
Personal computer does not contain additional hardware in a PC based data acquisition system.
1.True
2.False
3.all of the above
4.None of the mentioned
Posted Date:-2022-05-09 05:22:28
Physical parameters change due to ______
1.voltage
2.current
3.internal and external disturbances
4.power
Posted Date:-2022-05-09 05:25:54
What are MIMIC displays?
1. man-material interface
2.man-made interface
3. man-machine interface
4.man-machine interface
Posted Date:-2022-05-09 05:21:49
What is a digital recorder?
1.records digital data
2.records analog data
3.does not record data
4.records both analog and digital data
Posted Date:-2022-05-09 05:09:23
What is a process control system?
1. system to keep the parameters at zero value
2.system to maintain the parameters constant
3.system to keep the parameters at highest value
4. system to check the voltage
Posted Date:-2022-05-09 05:25:30
What is pre-amplification?
1. reducing the magnitude of a signal
2.making the magnitude of a signal zero
3.reducing the noise
4.boosting the signal
Posted Date:-2022-05-09 05:14:14
What is the main function of auxiliary equipment?
1.unit step response
2. ramp response
3.non-linear response
4.linear response
Posted Date:-2022-05-09 05:08:58
What is the main objective of process control?
1. to control physical parameters
2.to control mechanical parameters
3.to control optical parameters
4.to control electrical parameters
Posted Date:-2022-05-09 05:25:05
What led to the development of PC based transducers?
1.low cost
2.medium cost
3.high cost
4. zero cost
Posted Date:-2022-05-09 05:20:18
Which is the best example of a single channel data acquisition system?
1. CPM
2.BPM
3.APM
4.DPM
Posted Date:-2022-05-09 05:12:29
Which technique is most widely used in the single channel data acquisition system?
1.Counter type approximation
2.Flash approximation
3. Successive approximation
4. Delta Sigma approximation
Posted Date:-2022-05-09 05:13:35