Process Control and Instrumentation In a second order under damped system, the 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 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 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is π/6 π/3 5π/12 π/12 π/6 π/3 5π/12 π/12 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following flow-metering instru-ments is an areameter? Hot wire anemometer Pitot tube Rotameter Venturimeter Hot wire anemometer Pitot tube Rotameter Venturimeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Mercury manometer (U-tube type) exemplifies a __________ order system. First Second Third Zero First Second Third Zero ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples will give the highest output for the same value of hot and cold junction temperature? All of these Iron-constantan Chromel-constantan Platinum-platinum + rhodium All of these Iron-constantan Chromel-constantan Platinum-platinum + rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A photo electric device in which the resistance of the metal is directly proportional to the light striking on it, is known as photo-conductive cell. Photoelectric transducers are used for the measurement of those parameters, which can be used to produce variation in Light intensity Voltage Current Flux density Light intensity Voltage Current Flux density ANSWER DOWNLOAD EXAMIANS APP
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