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

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. The unit step response of the transfer function (2s – 1)/[(3s + 1) (4s + 1)] reaches its final steady state asymptotically after _____________?

   A. A monotonic increase
   B. A monotonic decrease
   C. Initially increasing and then decreasing
   D. Increasing decreasing and then increasing

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

   A. Isothermal CSTR
   B. Mixer
   C. Non-isothermal CSTR
   D. None of these

4. Suppose that the gain, time constant and dead time of a process with the following transfer function: Gc(s) = 10 exp( – 0.1s)/(0.5s + 1) are known with a possible error of ± 20% of their values. The largest permissible gain Kc of a proportional controller needs to be calculated below taking the values of process gain, time constant and dead time as________________?

   A. 8, 0.6, 0.08
   B. 12, 0.6, 0.12
   C. 8, 0.6, 0.12
   D. 12, 0.4, 0.08

5. 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)

6. 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

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

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

8. 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

9. Pressure of 0.0001 absolute psi can be measured by _____________ gauge?

   A. Mcleod
   B. Pirani
   C. Thermocouple
   D. None of these

10. The _____________ of a vapor pressure thermometer is a functioning element?

    A. Pointer
    B. Bourdon tube
    C. Bulb
    D. None of these