A non-linear chemical system is exemplified by a/an_________________?

Related Mcqs:

1. Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion ?

   A. Nickel
   B. Brass
   C. Chromel
   D. Invar

2. A non-linear system will have _____________ steady state values?

   A. One
   B. More than one
   C. Two
   D. Three

3. Flow rate of sludge is not measured by a/an_________________?

   A. Orificemeter
   B. Open weir
   C. Kennison nozzle
   D. Both B. & C.

4. A sinusoidal variation in the input passing through a linear first order system _________________?

   A. Becomes more oscillatory (frequency increases)
   B. Becomes less oscillatory (frequency decreases)
   C. Gets amplified (magnitude increases)
   D. Gets attenuated (magnitude decreases)

5. Response of a linear control system for a change in set point is called __________________?

   A. Frequency response
   B. Transient response
   C. Servo problem
   D. Regulator problem

6. In an exothermic chemical reactor, the manipulated variable is the flow rate of_______________?

   A. Coolant
   B. Reactants
   C. Product
   D. None of these

7. 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________________?

   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

8. Non-metallic diaphragm used as pressure sensor in instruments is generally made of__________________?

   A. Teflon
   B. Synthetic rubber
   C. Bakelite
   D. Thick paper

9. For two non-interacting first order systems connected in series, the overall transfer function is the ______________ of the individual transfer functions?

   A. Product
   B. Ratio
   C. Sum
   D. Difference

10. Platinum resistance thermometer is the international standard for temperature measurement between __________________?

    A. Triple point of hydrogen and freezing point of antimony
    B. 13.81°K to 903.9°K
    C. Both A. and B.
    D. Neither A. nor B.