Process Control and Instrumentation The unit of 'time constant' of a system is the same as that of (time)⁻¹ Velocity Time None of these (time)⁻¹ Velocity Time None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf developed by a thermocouple while measuring a temperature of 400°C is 22 mV. The type of thermocouple used is Iron-constantan Platinum-platinum+rhyodium Chromel-alumel Platinum-rhodium Iron-constantan Platinum-platinum+rhyodium Chromel-alumel Platinum-rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For measuring the temperature of a red hot furnace, which is the most suitable instrument? Bimetallic thermometer Optical pyrometer Platinum resistance thermometer Thermocouple Bimetallic thermometer Optical pyrometer Platinum resistance thermometer Thermocouple ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a shell and tube heat exchanger, the outlet temperature of heating/cooling fluid is the __________ variable. None of these Load Manipulated Controlled None of these Load Manipulated Controlled ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Cascade control means One feed-back loop Feed forward control On-off control More than one feed-back loop One feed-back loop Feed forward control On-off control More than one feed-back loop ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The deflection in diaphragm (which is used as pressure sensor in pneumatic and electronic instruments) is dependent on the metal thickness, its diameter (d) and shape & number of corrugations. Its deflection is proportional to D² D⁴ D D³ D² D⁴ D D³ ANSWER DOWNLOAD EXAMIANS APP