logo

CuriousTab

CuriousTab

Discussion

Home ‣ Chemical Engineering ‣ Process Control and Instrumentation Comments
  • Question

  • Silver point temperature is __________ °C.


  • Options
  • A. 760.5
  • B. 860.5
  • C. 960.5
  • D. 1060.5

  • Correct Answer
  • 960.5 

    • Process Control and Instrumentation problems

    Search Results

    • 1. "An emf of the order of mV is generated when two solutions of different hydrogen ion concentration are separated by a thin glass wall". This is the working principle of a

    • Options
    • A. pH meter
    • B. polarimeter
    • C. chromatograph
    • D. polarograph
      • Discuss
    • 2. __________ is an example of distributed parameter system

    • Options
    • A. Tubular reactor
    • B. CSTR
    • C. On-off controller
    • D. none of these
      • Discuss
    • 3. Which of the following is never used as an element of industrial resistance thermometer?

    • Options
    • A. Lead
    • B. Nickel
    • C. Copper
    • D. 30% iron + 70% nickel
      • Discuss
    • 4. Thermisters which have a very high temperature co-efficient of resistivity belong to the class of solid called

    • Options
    • A. dielectrics
    • B. insulators
    • C. semi conductors
    • D. conductors
      • Discuss
    • 5. Compositional analysis of flue gas coming out of a furnace in respect of O2 and CO2% can be continuously done by a/an

    • Options
    • A. orsat apparatus
    • B. thermal conductivity cell
    • C. zirconia probe
    • D. chromatograph
      • Discuss
    • 6. Platinum resistance thermometer can be used upto antimony point which is __________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure.

    • Options
    • A. 961.93
    • B. 630.74
    • C. 1064.43
    • D. 1261.93
      • Discuss
    • 7. Block diagram of a simple standard control system is shown below in the figure.

      Which of the following statement about the above control system is wrong?

    • Options
    • A. The transfer functions of the measuring element and the process is represent by H and G2 respectively
    • B. The overall transfer function for the change in load (X = 0) is given by
    • C. The overall transfer function for the change in set point (X1 = 0) is given by
    • D. Manipulated variable is represented by C.
      • Discuss
    • 8. Bimetal strips are not used in

    • Options
    • A. bimetallic thermometers.
    • B. thermocouples.
    • C. thermostats.
    • D. relays for opening & closing of electrical circuits.
      • Discuss
    • 9. 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

    • Options
    • 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.
      • Discuss
    • 10. Mcleoid gauge is used to measure the

    • Options
    • A. point velocity
    • B. flow rate
    • C. vacuum
    • D. pressure
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.