Q201
Open questionWhen the damping co-efficient (ξ) is unity, the system is
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Chemical Engineering · all questionsProcess Control And Instrumentation
Process Control And Instrumentation
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Q202
Open questionFor a feed back control system to be stable, the
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Q203
Open questionIn a closed loop system, the process to be controlled is an integrating process with transfer function The controller proposed to be used in an integral controller with transfer function When a step change in set point is applied to such a closed loop system, the controlled variable will exhibit
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Q204
Open questionWhich of the following controllers has maximum offset?
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Q205
Open questionWhich of the following relates the emf. generated in a single homogeneous wire to the temperature difference?
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Q206
Open questionFlow rate of a river is measured by a/an
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Q207
Open questionComposition of alloys can be determined by
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Q208
Open questionIn a single tank system, the transfer function of level to inlet flow rate is
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Q209
Open questionThe root locus method, a pole of a transfer function G(s) is the value of s for which G(s) approaches
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Q210
Open questionThe __________ of a vapor pressure thermometer is a secondary element.
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Q211
Open questionStability of a control system containing a transportation lag can be best analysed by
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Q212
Open questionStarting temperature of optical radiation pyrometer is __________ °C.
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Q213
Open questionA system with a double pole at the origin is unstable since the corresponding term in the time domain
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Q214
Open questionUse of I-control along with P-control facilitates
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Q215
Open questionPositioning controllers are used for
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Q216
Open questionDilute wine was used as a thermometric liquid initially to develop temperature scale. First emperical temperature scale developed was the __________ scale.
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Q217
Open questionMass spectrometer is used for the composition analysis of
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Q218
Open questionThe offset introduced by proportional controller with gain Kc in response of first order system can be reduced by
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Q219
Open questionIn a second order under damped system, the
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Q220
Open questionWhich of the following is not a composition measuring instrument?
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