A box which tells the effect of inputs on control sub system is known as Decision box. Data Box. Logical box. State box. TRUE ANSWER : ? YOUR ANSWER : ?
Angle condition for complimentary root locus or inverse root locus is ± (2q) 180° ± (2q + 1) 360° ± (2q) 360° ± (2q + 1) 180° TRUE ANSWER : ? YOUR ANSWER : ?
A negative feedback closed loop control system is supplied to an input of 5 volt. The system has a forward gain of 1 and a feedback gain of 1. What is the output voltage? 2.5 Volt. 1.0 Volt. 1.5 Volt. 2.0 Volt. TRUE ANSWER : ? YOUR ANSWER : ?
An open loop control system, represented by the transfer function G ( s ) = ( s - 1 ) / ( s + 2 )( s + 3 ), is unstable and of the non minimum phase type . stable and of the non-minimum phase type. unstable and of the minimum phase type. stable and of the minimum phase type. TRUE ANSWER : ? YOUR ANSWER : ?
Given the Laplace transform of f(t) = F(s), the Laplace transform of (f(t)e-at) is equal to e-as*F(s) eas*F(s) F(s)/(s+a) F(s+a) TRUE ANSWER : ? YOUR ANSWER : ?
Lead compensator is used to improve ------------------ Transient response Both 1 and 2 Steady state response None of these TRUE ANSWER : ? YOUR ANSWER : ?
The characteristic equation has the following roots for over damped stable system? -2,-4 -2±j4 -2,-2 -2,2 TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is the electrical analogous element for displacement in force-voltage analogy? Flux. Charge. Current. Voltage. TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is the analogous quantity for mass element in force-voltage analogy? Capacitance. Resistance. All of these Inductance. TRUE ANSWER : ? YOUR ANSWER : ?
Time response for a second order system depends on the value of τ. If τ= 0 then the system is called as critically damped system. over damped system. undamped system. under damped system. TRUE ANSWER : ? YOUR ANSWER : ?