Process Control and Instrumentation A negative gain margin expressed in decibels means a/an __________ system. Unstable Critically damped Stable None of these Unstable Critically damped Stable None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples has the widest temperature measurement range? Iron-constantan Chromel-alumel Copper-constantan Platinum-platinum/rhodium Iron-constantan Chromel-alumel Copper-constantan Platinum-platinum/rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A proportional controller with a gain of Kc is used to control a first order process. The offset will increase, if Kc is reduced Kc is increased Integral control action is introduced Derivative control action is introduced Kc is reduced Kc is increased Integral control action is introduced Derivative control action is introduced ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Turbine flow meters are suitable for Cryogenic flow measurements Both B and C Aerospace and in air borne applications Very limited flow ranges Cryogenic flow measurements Both B and C Aerospace and in air borne applications Very limited flow ranges ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a second order under damped system, the Time required for the response of first reach its ultimate value is called the response time Decay ratio (which is the ratio of the sizes of successive peaks) is equal to the reciprocal of overshoot None of these Overshoot (which is a measure of how much the response exceeds the ultimate value) increase with the decrease of damping co-efficient e Time required for the response of first reach its ultimate value is called the response time Decay ratio (which is the ratio of the sizes of successive peaks) is equal to the reciprocal of overshoot None of these Overshoot (which is a measure of how much the response exceeds the ultimate value) increase with the decrease of damping co-efficient e ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation An aneroid barometer measures the __________ pressure. Gage Vacuum Atmospheric Absolute Gage Vacuum Atmospheric Absolute ANSWER DOWNLOAD EXAMIANS APP
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