Quiznetik
Sensors and Transducers | Set 3
1. Find out the integrating type analog to digital converter?
A. Flash type converter
B. Tracking converter
C. Counter type converter
D. Dual slope ADC
Correct : D. Dual slope ADC
2. Output of A/D converter is _________
A. given to an analog display
B. given to a digital display
C. given to a CRO
D. given to a voltmeter
Correct : B. given to a digital display
3. What are auxiliary equipments?
A. equipment
B. guard rings
C. devices
D. voltage source
Correct : C. devices
4. What is the main function of auxiliary equipment?
A. unit step response
B. ramp response
C. non-linear response
D. linear response
Correct : D. linear response
5. What is a digital recorder?
A. records digital data
B. records analog data
C. does not record data
D. Records both digital and analog
Correct : A. records digital data
6. Digital acquisition systems are used when _________
A. bandwidth is high
B. bandwidth is medium
C. bandwidth is zero
D. bandwidth is low
Correct : D. bandwidth is low
7. For lower accuracies _________
A. digital acquisition system is used
B. both digital and analog acquisition systems are used
C. analog acquisition system is used
D. mechanical data acquisition system is used
Correct : C. analog acquisition system is used
8. What is a data acquisition system?
A. system used for data processing, conversion and transmission
B. accepts data as an input
C. removes noise
D. boosts the signal
Correct : A. system used for data processing, conversion and transmission
9. A typical data acquisition system consists of __________
A. op amps
B. sensors
C. rectifiers
D. transistors
Correct : B. sensors
10. The data acquisition system implies input data collection __________
A. in mixed signal form
B. in analog form
C. in digital form
D. in the form of binary codes
Correct : C. in digital form
11. A data acquisition system provides __________
A. partial communication
B. ineffective communication
C. effective communication
D. complete communication
Correct : C. effective communication
12. Data acquisition system can be used in __________
A. 10 ways
B. 8 ways
C. 4 ways
D. 2 ways
Correct : D. 2 ways
13. Data acquisition system is mainly classified into __________
A. 2 types
B. 4 types
C. 6 types
D. 8 types
Correct : A. 2 types
14. Amplified input signal is digitised through ________
A. A/D converters
B. D/A converters
C. Rectifiers
D. Sigma delta modulators
Correct : A. A/D converters
15. What is pre-amplification?
A. reducing the magnitude of a signal
B. making the magnitude of a signal zero
C. reducing the noise
D. boosting the signal
Correct : D. boosting the signal
16. Multiplexing after A/D conversion involves _____________
A. noisy data
B. mixed signal data
C. analog data
D. digital data
Correct : D. digital data
17. Recorder is a ________
A. measuring instrument
B. voltage source
C. current divider
D. musical tool
Correct : A. measuring instrument
18. Efficiency of a recorder is determined using ________
A. paper
B. chart
C. voltmeter
D. oscilloscope
Correct : B. chart
19. Data measurement systems are __________
A. not flexible
B. rigid
C. less flexible
D. more flexible
Correct : D. more flexible
20. Output signal is captured using _________
A. CRO
B. plotter
C. recorder
D. voltmeter
Correct : C. recorder
21. Electronic recorders are of __________
A. 2 types
B. 4 types
C. 10 types
D. 15 types
Correct : A. 2 types
22. How many types of graphic recorders are there?
A. five
B. ten
C. three
D. one
Correct : C. three
23. Which one is the application of sensor?
A. Home appliances
B. Automobiles
C. Manufacturing
D. All the above
Correct : D. All the above
24. What is the main function of (D/A) or DAC converter?
A. Converts Digital to Analog Signal
B. Converts Analog to Digital signal
C. All of the mentioned
D. None of the mentioned
Correct : A. Converts Digital to Analog Signal