Electrical & Electronics Measurement & Instrumentation Test Questions Start Creating PDF

MCQ: The full range of audibility in audio frequency oscillator is

1. 0 to 20 Hz
2. 20 Hz to 2 kHz
3. 20 Hz to 20 kHz
4. 20 Hz to 20 MHz

MCQ: A liquid crystal display requires

1. An AC drive
2. A DC drive
3. Both AC and DC drive
4. None of these

MCQ: The detectors used in optical sensors is

1. Photodiodes
2. Phototransistors
3. Laser
4. Only (a) and (b)
5. All the above

MCQ: Optical sensors used for the displacement measurement works on the principal that

1. Intensity of light increases with distance
2. Intensity of light decreases with distance
3. Intensity of light remains constant with distance
4. Intensity of light increases with time

MCQ: Capacitance sensor can measure very small displacement. It can be formed by varying

1. Separation
2. Area
3. Permittivity
4. Either (a) or (b) or (c)

MCQ: The ionization gauge an instrument used for the measurement of

1. Very low pressure
2. Medium pressure
3. High pressure
4. Very high pressure

MCQ: Dead weight gauge is used for the measurement of pressure of

1. About 1000 bar
2. About 2000 bar
3. About 5000 bar
4. About 7000 bar

MCQ: Bourdon tube is used for the measurement of gauge pressure of

1. Gas
2. Liquid fluid
3. Solid
4. Only (a) and (b)
5. All the above

MCQ: The resistances of potential transformer winding is minimized by using

1. Thick conductors and small length of turns
2. Thin conductors and small length of turns
3. Thin conductors and large length of turns
4. Thick conductors and large length of turns

MCQ: The nominal ratio for a current transformer is given by

1. (rated primary winding current)/(rated secondary winding current)
2. (number of turns in the primary winding)/(number of turns in the secondary winding )
3. (number of turns in the secondary winding)/(number of turns in the primary winding )
4. (rated secondary winding current)/(rated primary winding current)