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Continuous shell temperature measurement in a liquid-liquid heat exchanger is done by a __________________?
Hamad Process Control and Instrumentation 15/05/2023
B. Resistance thermometer
C. Mercury in glass thermometer
D. Vapor pressure thermometer
- The frequency response of a first order system, has a phase shift with lower and upper bounds given by________________?
- A. – ∞, π/2 B. -π/2, π/2 C. -π/2, 0 D. 0, π/2...
- Phase lag of the sinusoidal response of a first order system is _________________?
- A. 120° B. 30° C. 180° D. 90°...
- In a shell and tube heat exchanger, the flow rate of heating/cooling fluid is the ______________ variable?
- A. Load B. Controlled C. Manipulated D. None of these...
- Thermal conductivity cell is the primary element of a/an _____________ analyser?
- A. Oxygen B. Carbon dioxide C. Carbon monoxide D. Sulphur dioxide...
- Which of the following is a desirable characteristic of an instrument ?
- A. High drift B. High fidelity C. High measuring lag D. Poor reproducibility...
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