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Measurement And Instrumentation MCQ Questions & Answers | ECE

Learn Measurement And Instrumentation MCQ questions & answers are available for a Electronics and Communications Engineering(ECE) students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Measurement And Instrumentation MCQ question is the important chapter for a Electronics and Communications Engineering(ECE) and GATE students. Page-7 section-3

Each section contains 100 MCQs on Measurement and Instrumentation .
61
In a distortion factor meter, the filter at the front end is used to suppress
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Answer & Solution
Answer: Option C
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62
A tachometer encoder can be used for measurement of speed:
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Answer & Solution
Answer: Option C
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63
Hooke's law is written as
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Answer & Solution
Answer: Option C
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64
A rotameter works on the principle of variable:
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Answer: Option C
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65
A pulse waveform with a 3.3 kΩ source resistance is to be displayed on an oscilloscope with an input capacitance of 15 pF. The rise time of the pulse shown on the scope is measured as
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Answer & Solution
Answer: Option A
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66
Which errors arise due to the hysteresis of the equipment or due to friction
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Answer: Option D
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67
What are the salient features of thermistors?
1. They are compact, rugged and inexpensive
2. They have good stability when properly aged
3. The response time of thermistors can vary from a fraction of a second to minutes, depending on the size of the detecting mass and thermal capacity of the thermistor
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Answer: Option D
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68
Which instrument has the highest frequency range with accuracy within reasonable limits?
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Answer: Option B
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69
While transporting a sensitive galvanometer
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Answer: Option B
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70
What is the dynamic range of a spectrum analyzer with a third order interrupt point of +25 dBm, and a noise level of (-)85 dBm.
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Answer: Option C
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