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/√14, Kc = 45/7√14 W = √(7/8), Kc = 45/4 W = 1, Kc = 13 W = √(7/6), Kc = 46/3 W = 1/√14, Kc = 45/7√14 W = √(7/8), Kc = 45/4 W = 1, Kc = 13 W = √(7/6), Kc = 46/3 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the Laplace transform of impulse input having magnitude 'X' ? 1 X X² 1/X 1 X X² 1/X ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation When the damping co-efficient (ξ) is unity, the system is Critically damped Highly fluctuating Underdamped Overdamped Critically damped Highly fluctuating Underdamped Overdamped ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Measurement of sub-zero Celcius temperature in industry is done most commonly by Gas thermometers Resistance thermometers Bi-metallic thermometers Thermocouples Gas thermometers Resistance thermometers Bi-metallic thermometers Thermocouples ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A bolometer is Both A & B Here An element which senses optical input and delivers thermal output Neither A nor B Here Used for the measurement of thermal radiation Both A & B Here An element which senses optical input and delivers thermal output Neither A nor B Here Used for the measurement of thermal radiation ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The root locus plot of the roots of the characteristics equation of a closed loop system having the open loop transfer function K(s + 1)/2(2s + 1)(3s + 1) will have a definite number of loci for variation of K from 0 to ∞. The number of loci is 4 3 2 1 4 3 2 1 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS