Electrical and Electronic Measurements & Instrumentation - Electrical Engineering (MCQ) questions and answers
Dear Readers, Welcome to Electrical and Electronic Measurements & Instrumentation multiple choice questions and answers with explanation. These objective type Electrical and Electronic Measurements & Instrumentation questions are very important for campus placement test, semester exams, job interviews and competitive exams like GATE, IES, PSU, NET/SET/JRF, UPSC and diploma.
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1) The full range of audibility in audio frequency oscillator is
- Published on 16 Sep 15
a. 0 to 20 Hz
b. 20 Hz to 2 kHz
c. 20 Hz to 20 kHz
d. 20 Hz to 20 MHz
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2) A liquid crystal display requires
- Published on 16 Sep 15
a. An AC drive
b. A DC drive
c. Both AC and DC drive
d. None of these
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3) The detectors used in optical sensors is
- Published on 16 Sep 15
a. Photodiodes
b. Phototransistors
c. Laser
d. Only (a) and (b)
e. All the above
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4) Optical sensors used for the displacement measurement works on the principal that
- Published on 16 Sep 15
a. Intensity of light increases with distance
b. Intensity of light decreases with distance
c. Intensity of light remains constant with distance
d. Intensity of light increases with time
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5) Capacitance sensor can measure very small displacement. It can be formed by varying
- Published on 16 Sep 15
a. Separation
b. Area
c. Permittivity
d. Either (a) or (b) or (c)
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6) The ionization gauge an instrument used for the measurement of
- Published on 16 Sep 15
a. Very low pressure
b. Medium pressure
c. High pressure
d. Very high pressure
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7) Dead weight gauge is used for the measurement of pressure of
- Published on 16 Sep 15
a. About 1000 bar
b. About 2000 bar
c. About 5000 bar
d. About 7000 bar
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8) Bourdon tube is used for the measurement of gauge pressure of
- Published on 16 Sep 15
a. Gas
b. Liquid fluid
c. Solid
d. Only (a) and (b)
e. All the above
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9) The resistances of potential transformer winding is minimized by using
- Published on 16 Sep 15
a. Thick conductors and small length of turns
b. Thin conductors and small length of turns
c. Thin conductors and large length of turns
d. Thick conductors and large length of turns
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10) The nominal ratio for a current transformer is given by
- Published on 16 Sep 15
a. (rated primary winding current)/(rated secondary winding current)
b. (number of turns in the primary winding)/(number of turns in the secondary winding )
c. (number of turns in the secondary winding)/(number of turns in the primary winding )
d. (rated secondary winding current)/(rated primary winding current)
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Answer
Explanation
Related Ques
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ANSWER: (rated primary winding current)/(rated secondary winding current)
Explanation:
No explanation is available for this question!
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