Process Control and Instrumentation Temperature measuring instruments are standardised mostly with __________ points of pure substances. Both A & B Here Boiling Neither A nor B Here Melting Both A & B Here Boiling Neither A nor B Here Melting 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 D³ D⁴ D D² D³ D⁴ D D² ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Stability of a control system containing a transportation lag can be best analysed by Frequency response methods Root locus methods Routh test None of these Frequency response methods Root locus methods Routh test None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples will give the highest output for the same value of hot and cold junction temperature? Platinum-platinum + rhodium Iron-constantan All of these Chromel-constantan Platinum-platinum + rhodium Iron-constantan All of these Chromel-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The amplitude ratio for the sinusoidal response of a __________ is 1. None of these Second order system Transportation lag First order system None of these Second order system Transportation lag First order system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Cascade control means One feed-back loop On-off control More than one feed-back loop Feed forward control One feed-back loop On-off control More than one feed-back loop Feed forward control ANSWER DOWNLOAD EXAMIANS APP
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