Process Control and Instrumentation Which of the following is not a variable area flow meter? Piston type meter Magnetic flow meter Orifice and tapered plug meter Rotameter Piston type meter Magnetic flow meter Orifice and tapered plug meter Rotameter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a first order process with resistance R and capacitance C is 1/RC RC R + C R - C 1/RC RC R + C R - C ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Positioning controllers are used for Low loads Temperature changes High loads Flow rate changes Low loads Temperature changes High loads Flow rate changes ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The __________ of a vapor pressure thermometer is a primary element. None of these Bulb Pointer Bourdon tube None of these Bulb Pointer Bourdon tube ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the dynamic error in a critically damped second order instrument for a ramp input (AT)? 2 AT 1.5 AT 0.5 AT √AT 2 AT 1.5 AT 0.5 AT √AT 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 = √(7/8), Kc = 45/4 W = 1/√14, Kc = 45/7√14 W = 1, Kc = 13 W = √(7/6), Kc = 46/3 W = √(7/8), Kc = 45/4 W = 1/√14, Kc = 45/7√14 W = 1, Kc = 13 W = √(7/6), Kc = 46/3 ANSWER DOWNLOAD EXAMIANS APP
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