Gas chromatography is used for
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- measuring flow rate of a gas
- measuring temperature of a gas
- measuring pressure of a gas
- analysing the composition of a gas
The Correct Option is D
Solution and Explanation
Top Questions on Transducers for industrial instrumentation
In the force transducer shown in Figure (a), four identical strain gauges S1, S2, S3, and S4 are mounted on a cantilever at equal distance from its base. S1 and S2 are mounted on the top surface and S3 and S4 are mounted on the bottom surface, as shown in the Figure (a). These strain gauges are to be connected to form a Wheatstone bridge consisting of four arms A, B, C, and D, as shown in the Figure (b). From the following options, the correct order to maximize the measurement sensitivity is
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The primary coil of a linear variable differential transformer (LVDT) is supplied with AC voltage as shown in the figure. The secondary coils are connected in series opposition and the output is measured using a true RMS voltmeter. The displacement \(x\) of the core is indicated in mm on a linear scale. At the null position \(x = 0\), the voltmeter reads 0 V. If the voltmeter reads 0.2 V for a displacement of \(x = +2\) mm, then for a displacement of \(x = -3\) mm, the voltmeter reading, in V, is:
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Match the device with its working principle:
List-1 List-2 a. Bourdon gauge V. Deformation of element b. Pirani gauge I. Thermal conductivity c. Semiconductor strain gauge III. Piezo resistive effect d. Bi-metallic strip II. Thermal coefficient of expansion - TS PGECET - 2024
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Match the instruments with the parameters they measure:
List-1 Instrument List-2 (Parameter) A Autocollimeter \( \text{Angular error} \) B Hygrometer \( \text{Humidity} \) C Nephelometer \( \text{Density} \) D Mass spectrometer \( \text{Molecular weight} \) - TS PGECET - 2024
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- Transducers for industrial instrumentation
- A psychrometric chart is used to determine
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