Process Control and Instrumentation For measuring the temperature of a red hot furnace, which is the most suitable instrument? Thermocouple Optical pyrometer Platinum resistance thermometer Bimetallic thermometer Thermocouple Optical pyrometer Platinum resistance thermometer Bimetallic thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature measurement range of iron-constantan thermocouple is 0 to 870°C. It can be used to measure sub zero temperature, because at lower temperature Rusting of iron takes place Emf produced is very low of the order of microvolt Embrittlement of iron occurs Both B and C Here Rusting of iron takes place Emf produced is very low of the order of microvolt Embrittlement of iron occurs Both B and C Here ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following flow-metering instru-ments is an areameter? Pitot tube Rotameter Hot wire anemometer Venturimeter Pitot tube Rotameter Hot wire anemometer Venturimeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A pyranometer is an instrument used for measuring the Beam radiation None of these Bright sunshine period Global radiation Beam radiation None of these Bright sunshine period Global radiation ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Cascade control means More than one feed-back loop Feed forward control On-off control One feed-back loop More than one feed-back loop Feed forward control On-off control One feed-back loop ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Maximum differential pressure in liquid manometer is __________ psi. 50 20 30 40 50 20 30 40 ANSWER DOWNLOAD EXAMIANS APP
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