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Analytical Instrumentation MCQ Question Set 28
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1. Which of the following type output is provided by ADC?
Serial type
Parallel type
Both serial and parallel type
None of the mentioned
2. Which of the following method is employed for ADC?
Ladder network
Successive approximation type
PWM type
None of the mentioned
3. Successive approximation is slow for large bit application.
True
False
all of the above
None of the mentioned
4. Which of the following represents range of frequency measured by ADC?
Bandwidth
Threshold frequency
Peak frequency
None of the mentioned
5. Dynamic range of ADC is depended on ________
Resolution
Linearity
Accuracy
All of the mentioned
6. Small timing errors in ADC additional to noise is known as _______
Jitter
Aliasing
Super noise
None of the mentioned
7. ENOB in ADC stand for _________
Effective number of bytes
Effective number of bits
Effective nibble baud
None of the mentioned
8. ENOB is a negation of resolution.
True
False
all of the above
None of the mentioned
9. Rotary encoder is an ADC.
True
False
all of the above
None of the mentioned
10. Which of the following is correct for multiplexer?
Several inputs and single output
Single input and several outputs
Single input and single output
Several inputs and several outputs
11. Multiplexers work with _______
Analog signal
Digital signal
Both analog and digital signal
None of the mentioned
12. TDM stands for _________
Time direct measurement
Time division multiplexing
Time direct multiplexing
Time division measurement
13. Which of the following is analogous to multiplexer?
Data selector
Data multiplexer
Data filter
None of the mentioned
14. Which of the following represent multiple input single output switch?
Multiplexer
De multiplexer
Both multiplexer and demultiplexer
None of the mentioned
15. Schematic symbol of multiplexer is ________
Isosceles triangle
Isosceles trapezoid
Equilateral triangle
Rectangle
16. In digital multiplexer selector line is ______
Analog value
Digital value
Unpredictable
None of the mentioned
17. Which of the following is not a multiplexer?
8-to-1 line
16-to-1 line
4-to-1 line
1-to-4 line
18. Demultiplexer act as an encoder.
True
False
all of the above
None of the mentioned
19. Multiplexer can be used as PLD.
True
False
all of the above
None of the mentioned
20. Which of the following is correct for microprocessor Intel 8085?
8 bit microprocessor
16 bit microprocessor
4 bit microprocessor
32 bit microprocessor
21. MOS stands for _______
Material Operating Semiconductor
Metal Oxide Semiconductor
Metal Operating Segment
None of the mentioned
22. Microprocessor contains large on-chip memory.
True
False
all of the above
None of the mentioned
23. Which of the following part of the microprocessor is close related to register?
Processor
CPU
ALU
Memory
24. Which of the following is not a special function register?
Program counter
Instruction pointer
Accumulator
Stack pointer
25. Which of the following is not a valid instruction type?
Zero operant
Single operand
Two operand
None of the mentioned
26. How many flags does 8085 have?
4
5
8
9
27. Which of the following is used for storing flag registers?
Status register
Control register
Buffer register
None of the mentioned
28. Which of the following function relate to stack?
Push and pop
Call and return
Both push pop and call return
None of the mentioned
29. Data acquisition system acquire data from ______
Transducers
Flip flop
Memory
None of the mentioned
30. SBOD stands for ______
Status bunch of disc
Switched bunch of disc
Status bunch of display
None of the mentioned
31. Data recorders acquire data from ________
Transducers
Sensors
Both transducers and sensors
None of the mentioned
32. RAID stands for _________
Recorded Array of Inexpensive Disc
Redundant Array of Inexpensive Disc
Redundant Array of Intelligent Disc
Redundant Array of Inexpensive Display
33. Which of the following is correct for SBOD?
Based on fibre channel
Based on RF technology
Based on Fibre and RF
None of the mentioned
34. Which of the following represents the storage capability of flip-flop?
1 bit
1 byte
1 kilo bit
1 kilo byte
35. Which of the following can be considered as a storage device?
Capacitor
Resistor
Both capacitor and resistor
None of the mentioned
36. Dynamic RAM has to be refreshed constantly.
True
False
all of the above
None of the mentioned
37. SRAM is faster than DRAM.
True
False
all of the above
None of the mentioned
38. Which of the following can be made from SRAM?
Magnetic disc
Cache
Floppy disc
All of the mentioned
39. Which of the following is not correct for data loggers?
Portability
Battery less
Small
All of the mentioned
40. Data loggers contains microprocessor.
True
False
all of the above
None of the mentioned
41. Data loggers need external memory for storage.
True
False
all of the above
None of the mentioned
42. Which of the following devices are similar to electronic data loggers?
Chart recorders
Flip flop
Memory
None of the mentioned
43. Which of the following protocol allow the instrument to connect to a data logger?
SDI-10
SDI-12
SAI-10
SAI-12
44. Which of the following statement is false?
All data loggers are data acquisition system
All data acquisition systems are data loggers
Data logger and Data acquisition systems are same is operation
All of the mentioned
45. Data logger system have ________
Slow sampling rate
Fast sampling rate
Unpredictable sampling rate
None of the mentioned
46. Which of the following is correct for data loggers?
Simple single channel instrument
Medium channel instrument
Complex multiple channel instrument
All of the mentioned
47. Device for monitoring various electrical activity of cardio vascular system is _______
Diagnostic trouble coder
Holter monitor
Cardio event decoder
Electronic health logger
48. Data logger deals with _____________
Digital signals
Analog signals
Both digital and analog signals
None of the mentioned
49. Indicating measurements are used for _______
Static measurements
Dynamic masurements
Both static and dynamic measurements
None of the mentioned
50. Indicating instruments can be used for measuring ________
AC quantities
DC quantities
Both AC and DC
None of the mentioned
51. Which of the following have a low loading effect?
Electronic system
Electrical system
Both have equal effect
None of the mentioned
52. Which of the following act as end devices in the pneumatic system?
Bourden tubes
Mechanical gears
Electronic devices
All of the mentioned
53. Scale calibration of indicating instruments are always linear.
True
False
all of the above
None of the mentioned
54. Majority of indicators are ______
Current operated devices
Voltage operated devices
Pressure operated devices
None of the mentinoned
55. AC indicators are used at frequency __________
Very low value of less than 1Hz
Less than 200Hz
Greater than 1KHz
Higher value of about 1MHz
56. PMMC devices in indicators create _______
Stationary magnetic field
Rotating magnetic field
Electric field
None of the mentioned
57. Which of the following represents a stationary part of PMMC device?
Coil
Control system
Magnetic system
None of the mentioned
58. Which of the following represent a function of spring in PMMC device?
Control system
Path for current in and out of coil
Both control and path for current
None of the mentioned
59. VDU stands for ________
Virtual display unit
Verbal display unit
Variable display unit
Visual display unit
60. Which of the following cannot be used for constructing alpha-numeric devices?
LED
Neon lamp
Seven segment display
None of the mentioned
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