Q. Which of following error integral is considered as the best criterion in controller settings ?

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Q. Pick out the symbol for "locally mounted instrument" in instrumentation diagram.

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Q. 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 ?

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Q. Water is flowing through a series of four tanks and getting heated as shown in figure. It is desired to design a cascade control scheme for controlling the temperature of water leaving the tank 4 as there is a disturbance in the temperature of a second stream entering the tank 2. Select the best place to take the secondary measurement for the second loop.

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Q. Which is the symbol for "pneumatic control valve" ?

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Q. Find the ultimate gain and frequency for a proportional controller in the case of a process having the transfer function Gp(s) = 1/(4s + 1)(2s + 1)(s + 1).

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Q. Find the Laplace transform of the following input function shown in figure.

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Q. A control system has the following transfer function. The initial value of the corresponding time function is

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Q. The root locus plot of the roots of the characteristics equation of a closed loop system having the open loop transfer function given below, will have a definite number of loci for variation of K from 0 to ∞. The number of loci is

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Q. What is the Laplace transform of sin t ?

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Q. For the time domain function f(t) = t, the Laplace transform of following equation is given by

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Q. __________ is undesirable in thermocouples used in industries.

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Q. Select the correct statement from the following.

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Q. For an input forcing function, X(t) = 2t², the Laplace transform of this function is

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Q. Continuous shell temperature measurement in a liquid-liquid heat exchanger is done by a

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Q. Thermal conductivity measurement com-prises the working principle of a

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Q. Response of a system to a sinusoidal input is called __________ response.

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Q. The closed loop pole of a stable second order system could be

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Q. Smoke density of the flue gas going out of the chimney is measured by a

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Q. Which of the following measurements can be made by the measurement of emf ?

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