Which of the following is/are the example of actuator? Pneumatic motor All Hydraulic motor Electric motor TRUE ANSWER : ? YOUR ANSWER : ?
The DC gain of a system represented by the transfer function 12 / {( s + 2 )( s + 3 )} is 1. 10. 2. 5. TRUE ANSWER : ? YOUR ANSWER : ?
Slope of asymptote in Bode plot of 2nd order system is _____________________ per octave. 18 dB 6 dB 12 dB 3 dB TRUE ANSWER : ? YOUR ANSWER : ?
A linear time invariant system has an impulse response e2t for t > 0 . If initial condition are 0 and input is e3t, the output for t > 0 is e2t + e3t. e3t - e2t. e5t. e2t - e3t. TRUE ANSWER : ? YOUR ANSWER : ?
An open loop control system, represented by the transfer function G ( s ) = ( s - 1 ) / ( s + 2 )( s + 3 ), is stable and of the non-minimum phase type. stable and of the minimum phase type. unstable and of the minimum phase type. unstable and of the non minimum phase type . TRUE ANSWER : ? YOUR ANSWER : ?
In which of the following controller band width is increased? both 1 and 2 proportional plus integral controller proportional plus derivative controller nether 1 nor 2 TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following combinations is/are correct electrical analogous elements in force-current analogy? Velocity (v) ----------------- Voltage (V) Force (f) --------------------- Current (i) Spring element (K) --------- Inverse inductance (1/L) All of these TRUE ANSWER : ? YOUR ANSWER : ?
Time taken for the response to rise from zero to 100 % for very first time is called Settling time. Peak time. Rise time. Delay time. TRUE ANSWER : ? YOUR ANSWER : ?
A second order system has peak over shoot = 50% and period of oscillations 0.2 seconds. Find the resonant frequency? 32.16 rad/s 29.74 ra/s 30.63 rad/s 31.41 rad/s TRUE ANSWER : ? YOUR ANSWER : ?
A system has poles at 0.01 Hz, 1 Hz and 80 Hz; zeros at 5 Hz, 100 Hz and 200 Hz. The approximate phase of the system response at 20 Hz is 90° 180° -180° -90° TRUE ANSWER : ? YOUR ANSWER : ?