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  • Question

  • Block diagram of a simple standard control system is shown below in the figure.
    Block diagram of a simple standard control system is shown below in the figure. Which of the followi
    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 Block diagram of a simple standard control system is shown below in the figure. Which of the followi
  • C. The overall transfer function for the change in set point (X1 = 0) is given by Block diagram of a simple standard control system is shown below in the figure. Which of the followi
  • D. Manipulated variable is represented by C.

  • Correct Answer
  • Manipulated variable is represented by C. 

    • More questions

    • 1. NPK fertiliser is a __________ fertiliser.

    • Options
    • A. complex
    • B. mixed
    • C. nitrogenous
    • D. phosphatic
      • Discuss
    • 2. Pick out the correct statement.

    • Options
    • A. In case of liquid-liquid extraction, no separation is possible, if the selectivity of the solvent used is unity.
    • B. With increase in temperature, the selectivity of the solvent used in solvent extraction decreases.
    • C. The selectivity of solvent used in solvent extraction is unity at the plait point.
    • D. all (a), (b) and (c).
      • Discuss
    • 3. Reducing atmosphere is maintained in a

    • Options
    • A. calcination kiln
    • B. blast furnace
    • C. soaking pit
    • D. L.D. converter
      • Discuss
    • 4. Crude oil is pumped by a __________ pump.

    • Options
    • A. gear
    • B. centrifugal
    • C. screw
    • D. reciprocating
      • Discuss
    • 5. From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm.

    • Options
    • A. 1
    • B. 5
    • C. 50
    • D. 500
      • Discuss
    • 6. Except for monoatomic gases, the molal heat capacity at constant volume for all gases is __________ Kcal/Kg mole.° K.

    • Options
    • A. 3
    • B. > 3
    • C. < 3
    • D. < 1
      • Discuss
    • 7. The reaction A + B ? C has been conducted in a reactor as shown below.

      The number of balances (material) that can be made around the reactor are

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
      • Discuss
    • 8. In classification, particles are said to be equal settling, if they have the same terminal velocities in the

    • Options
    • A. different fluids
    • B. same fluid
    • C. same field of force
    • D. both (b) and (c)
      • Discuss
    • 9. __________ are used for the separation of coarse particles from a slurry of fine particles.

    • Options
    • A. Thickeners
    • B. Classifiers
    • C. Hydrocyclones
    • D. Decanters
      • Discuss
    • 10. Polymerisation of poly functional monomers produces polymers having

    • Options
    • A. good machanical strength
    • B. low viscosity
    • C. low melting point
    • D. none of these
      • Discuss

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