Process Control and Instrumentation Strain gage pressure transducers are used to measure __________ pressures. Absolute as well as differential Both A & B Here Gage as well as vacuum Neither A nor B Absolute as well as differential Both A & B Here Gage as well as vacuum Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dead zone in an instrument must be less than __________ percent of the scale. 0.2 4 8 1.5 0.2 4 8 1.5 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Routh test Criterion provides information about the actual location of roots Criterion is not applicable to systems with polynomial characteristic equation Can not determine as to how many roots of the characteristics equation have positive real roots Cannot be used to test the stability of a control system containing transportation lag Criterion provides information about the actual location of roots Criterion is not applicable to systems with polynomial characteristic equation Can not determine as to how many roots of the characteristics equation have positive real roots Cannot be used to test the stability of a control system containing transportation lag 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 Flow nozzle type flowmeter Turbine flowmeter Magnetic flowmeter Pitot tube Flow nozzle type flowmeter Turbine flowmeter Magnetic flowmeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The __________ of the fluid contained in the temperature sensing element (i.e., bulb) of filled system thermometers changes with change in temperature. Viscosity All of these Pressure Volume Viscosity All of these Pressure Volume ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation 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). W = 1, Kc = 13 W = 1/√14, Kc = 45/7√14 W = √(7/8), Kc = 45/4 W = √(7/6), Kc = 46/3 W = 1, Kc = 13 W = 1/√14, Kc = 45/7√14 W = √(7/8), Kc = 45/4 W = √(7/6), Kc = 46/3 ANSWER DOWNLOAD EXAMIANS APP
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