Temperature control of an exothermic chemical reaction taking place in a CSTR is done with the help of cooling water flowing in a jacket around the reactor. The types of valve and controller action to be recommended are________________?

Process Control and Instrumentation 09/09/2021

A. Air to open valve with the controller direct acting
B. Air to close valve with the controller indirect acting
C. Air to open valve with the controller indirect acting
D. Air to close valve with the controller direct acting

Related Mcqs:

    A constant volume gas thermometer employing ______________ is used to measure sub-zero (i.e., < 0°C) temperature?
    A. Helium B. Hydrogen C. Nitrogen D. None of these...
    The transfer function of a second order system is _____________________?
    A. 1/(T2s2 + 2ξTs + 1) B. 1/(T2s2 + 2Ts + 1) C. 1/(T2s2 + 2ξT + 1) D. None of these...
    Emf developed by a thermocouple while measuring a temperature of 400°C is 22 mV. The type of thermocouple used is ___________________?
    A. Chromel-alumel B. Iron-constantan C. Platinum-rhodium D. Platinum-platinum + rhodium...
    Pick out the first order system from among the following ?
    A. Damped vibrator B. Mercury in glass thermometer kept in boiling water C. Interacting system of two tanks in series D. Non-interacting system of two tanks in series...
    Load cells are used for the measurement of __________________?
    A. Stress B. Weight C. Strain D. Velocity...

Leave a Reply

Your email address will not be published. Required fields are marked *