Process Control and Instrumentation A mercury thermometer can not be used to measure the temperature below the freezing point of mercury, which is __________ °C. -38.9 -80.9 -60.9 -11.9 -38.9 -80.9 -60.9 -11.9 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For an input forcing function, X(t) = 2t², the Laplace transform of this function is 2/s² 2/s³ 4/s³ 4/s² 2/s² 2/s³ 4/s³ 4/s² ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ is an example of distributed parameter system On-off controller CSTR Tubular reactor None of these On-off controller CSTR Tubular reactor None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a second order under damped system, the None of these Decay ratio (which is the ratio of the sizes of successive peaks) is equal to the reciprocal of overshoot 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 None of these Decay ratio (which is the ratio of the sizes of successive peaks) is equal to the reciprocal of overshoot 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 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following instruments is not used for measuring sub-zero (<0°) temperatures? Radiation pyrometer Vapor pressure thermometer Platinum resistance thermometer Mercury in glass thermometer Radiation pyrometer Vapor pressure thermometer Platinum resistance thermometer Mercury in glass thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase margin is equal to Phase lag + 180° Phase lag + 90° Phase lag - 180° 180° - phase lag Phase lag + 180° Phase lag + 90° Phase lag - 180° 180° - phase lag ANSWER DOWNLOAD EXAMIANS APP