Process Control and Instrumentation Use of I-control along with P-control facilitates Reduction of offset Elimination of offset Reduction of stability time None of these Reduction of offset Elimination of offset Reduction of stability time None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Reset rate is the another term used for __________ time. Integral None of these Derivative Dead Integral None of these Derivative Dead ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following can not measure a temperature of 1600°C ? Thermocouple Platinum resistance thermometer Photo-electric pyrometer Radiation pyrometer Thermocouple Platinum resistance thermometer Photo-electric pyrometer Radiation pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Nichol's chart deals with Closed loop values vs. open loop values R. vs. phase lag of second order Frequency response values of controllers R. vs. phase lag of first order Closed loop values vs. open loop values R. vs. phase lag of second order Frequency response values of controllers R. vs. phase lag of first order 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/12 5π/12 π/3 π/6 π/12 5π/12 π/3 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Operating range of a temperature measuring instrument is 800 to 1600°C. It could be a/an __________ pyrometer. Optical Photoelectric None of these Radiation Optical Photoelectric None of these Radiation ANSWER DOWNLOAD EXAMIANS APP