Process Control and Instrumentation Process degree of freedom indicates __________ number of controllers to be used. Nothing about the Both maximum and the minimum The minimum The maximum Nothing about the Both maximum and the minimum The minimum The maximum ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flow rate of those fluids which are insensitive to changes in their density, viscosity or flow velocity profile can be best measured by a Pitot tube Turbine flowmeter Magnetic flowmeter Flow nozzle type flowmeter Pitot tube Turbine flowmeter Magnetic flowmeter Flow nozzle type flowmeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A sinusoidal variation in the input passing through a linear first order system Gets attenuated (magnitude decreases) Gets amplified (magnitude increases) Becomes less oscillatory (frequency decreases) Becomes more oscillatory (frequency increases) Gets attenuated (magnitude decreases) Gets amplified (magnitude increases) Becomes less oscillatory (frequency decreases) Becomes more oscillatory (frequency increases) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A control system has the following transfer function F(s) = (s - 1)(s + 1)/s(s - 2)(s + 4)The initial value of the corresponding time function is -1 43838 1 44020 -1 43838 1 44020 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The characteristic equation for the control system with a closed loop transfer function Gā/1 + Gā is given by 1 + Gā = 0. The characteristic equation for the control system Determines its stability All of these Depends only upon the open loop transfer function Is the same for set point or load changes Determines its stability All of these Depends only upon the open loop transfer function Is the same for set point or load changes ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ is an example of distributed parameter system Tubular reactor On-off controller None of these CSTR Tubular reactor On-off controller None of these CSTR ANSWER DOWNLOAD EXAMIANS APP
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