Process Control and Instrumentation Dome temperature of blast furnace stove is most accurately measured by a Platinum-platinum/rhodium ther-mocuple Radiation pyrometer Platinum resistance thermometer Iron-constantan thermocouple Platinum-platinum/rhodium ther-mocuple Radiation pyrometer Platinum resistance thermometer Iron-constantan thermocouple ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation When the damping co-efficient (ξ) is unity, the system is Highly fluctuating Underdamped Overdamped Critically damped Highly fluctuating Underdamped Overdamped Critically damped ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following controllers has the least maximum deviation? P-I controller P-D controller P-I-D controller P-controller P-I controller P-D controller P-I-D controller P-controller ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature measurement by optical pyrometer is done above __________ point, which is 1063°C. Nickel Silver Antimony Gold Nickel Silver Antimony Gold ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ is undesirable in thermocouples used in industries, Oxidation resistance Linear relation of emf to temperature Corrosion resistance Non-linear relation of emf to temperature Oxidation resistance Linear relation of emf to temperature Corrosion resistance Non-linear relation of emf to temperature 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)? 2 AT 1.5 AT √AT 0.5 AT 2 AT 1.5 AT √AT 0.5 AT ANSWER DOWNLOAD EXAMIANS APP
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