Process Control and Instrumentation Pick out the one which is a first order instrument. All of these Bare vapor pressure thermometer Mercury in glass thermometer (without any covering or air gap) Bare metallic thermometer All of these Bare vapor pressure thermometer Mercury in glass thermometer (without any covering or air gap) Bare metallic thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dome temperature of blast furnace stove is most accurately measured by a Platinum resistance thermometer Iron-constantan thermocouple Platinum-platinum/rhodium ther-mocuple Radiation pyrometer Platinum resistance thermometer Iron-constantan thermocouple Platinum-platinum/rhodium ther-mocuple Radiation pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A control system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at the crossover frequency. This is __________ criterion. Routh stability Nyquist None of these Bode stability Routh stability Nyquist None of these Bode stability ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the dynamic error in a critically damped second order instrument for a ramp input (AT)? √AT 0.5 AT 2 AT 1.5 AT √AT 0.5 AT 2 AT 1.5 AT ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The thermal emf-temperature relationship of most thermocouples is Parabolic Exponential Square root Linear Parabolic Exponential Square root Linear ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation When the damping co-efficient (ξ) is unity, the system is Overdamped Underdamped Highly fluctuating Critically damped Overdamped Underdamped Highly fluctuating Critically damped ANSWER DOWNLOAD EXAMIANS APP