Instrumentation & Process Control
Measurement Instruments
GATE 2011
Medium
Match the process parameters in Group I with the measuring instruments in Group II: P. Flame temperature, Q. Composition of LPG, R. Liquid air temperature — I. Thermocouple, II. Radiation pyrometer, III. Gas chromatograph
- AP-III, Q-I, R-II
- BP-I, Q-III, R-II
- P-II, Q-III, R-I
- DP-II, Q-I, R-III
Explanation
Flame temperature (very high, non-contact) is best measured by a radiation pyrometer (P-II). LPG composition is measured by a gas chromatograph (Q-III). Liquid air's cryogenic temperature is measured by a thermocouple (R-I).
Source: GATE CH 2011 (2011)
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