Chemical Engineering :: Process Control and Instrumentation
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Configuration of Bourdon spring tube is never made of __________ shape.
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Thermodynamic celcius scale of temperature measurement is
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According to Bode stability criterian, a system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at frequency for which phase lag is
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In a closed loop system, the process to be controlled is an integrating process with transfer function l/2s. The controller proposed to be used in an integral controller with transfer function 1/T1s. When a step change in set point is applied to such a closed loop system, the controlled variable will exhibit
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Resistance of a gas in a vessel is given by (where, P = pressure, V = volume of the vessel, n = no. of moles of the gas, R = gas constant)
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Measurement of pressure in ammonia reactor is done by
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Flow rate of a river is measured by a/an
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Which of the following thermocouple materials does not contain nickel ?
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Flow rate of those fluids which are insensitive to changes in their density, viscosity or flow velocity profile can be best measured by a
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