Process Control and Instrumentation The temperature of tempering oil baths maintained at 400°C during heat treatment of steel is measured by a/an __________ thermocouple. Iron-constantan Chromel-alumel None of these Platinum-platinum/rhodium Iron-constantan Chromel-alumel None of these Platinum-platinum/rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples is the most suitable for measuring a temperature of about 1600°C in an oxidizing atmosphere? Platinum-platinum + rhodium Iron-constantan Chromel-alumel Copper-constantan Platinum-platinum + rhodium Iron-constantan Chromel-alumel Copper-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation An amplitude ratio of 0.1 corresponds to __________ decibels. -10 20 10 -20 -10 20 10 -20 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Use of I-control along with P-control facilitates None of these Elimination of offset Reduction of offset Reduction of stability time None of these Elimination of offset Reduction of offset Reduction of stability time ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ is an example of distributed parameter system None of these CSTR On-off controller Tubular reactor None of these CSTR On-off controller Tubular reactor ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Select the correct statement from the following. The frequency response of a pure capacity process is unbounded The phase lag of a pure time delay system decreases with increasing frequency The amplitude ratio of a pure time delay system increases with frequency The amplitude ratio of a pure capacity process is inversely proportional to frequency The frequency response of a pure capacity process is unbounded The phase lag of a pure time delay system decreases with increasing frequency The amplitude ratio of a pure time delay system increases with frequency The amplitude ratio of a pure capacity process is inversely proportional to frequency ANSWER DOWNLOAD EXAMIANS APP
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