Measurement, Conversion and Control Questions and Answers

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Measurement, Conversion and Control questions with answers test an engineer’s ability to interpret sensor data and manage control systems effectively. These concepts often appear in logical reasoning questions and answers for electronics and instrumentation exams like GATE, ISRO, and BARC. Measurement involves quantifying variables such as voltage, current, or temperature, while conversion ensures signals are transformed into readable forms. Control systems then use these measurements to regulate processes automatically. Understanding this cycle enhances analytical thinking and practical reasoning skills needed for both technical and aptitude tests.

Measurement, Conversion and Control

Showing 10 of 21 questions

11. Convert the decimal number 151.75 to binary.

  • 10000111.11
  • 11010011.01
  • 00111100.00
  • 10010111.11
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12. Convert the binary number 1011010 to hexadecimal.

  • 5B
  • 5F
  • 5A
  • 5C
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13. The number of bits used to store a BCD digit is:

  • 8
  • 4
  • 1
  • 2
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14. Sample-and-hold circuits in ADCs are designed to:

  • sample and hold the output of the binary counter during the conversion process
  • stabilize the ADCs threshold voltage during the conversion process
  • stabilize the input analog signal during the conversion process
  • sample and hold the ADC staircase waveform during the conversion process
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15. The weight of the LSB as a binary number is:

  • 1
  • 2
  • 3
  • 4
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16. What is the difference between binary coding and binary coded decimal?

  • Binary coding is pure binary.
  • BCD is pure binary.
  • Binary coding has a decimal format.
  • BCD has no decimal format.
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17. Convert the binary number 1001.0010 to decimal.

  • 125
  • 12.5
  • 90.125
  • 9.125
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18. Convert 110010012 (binary) to decimal.

  • 201
  • 2001
  • 20
  • 210
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19. What is the decimal value of the hexadecimal number 777?

  • 191
  • 1911
  • 19
  • 19111
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20. What is the resultant binary of the decimal problem 49 + 1 = ?

  • 01010101
  • 00110101
  • 00110010
  • 00110001
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