Automatic Control Systems Which of the following can be used as a rotating amplifier in a control system? 1. Amplidyne 2. Separately excited dc generator 3. Synchro 4. Self excited dc generator All 1 and 2 1, 2 and 3 3 and 4 All 1 and 2 1, 2 and 3 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which of the following is used to obtain output position in a position control system? Thermistor Load cell Synchro Strain gauge Thermistor Load cell Synchro Strain gauge ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which control action can never be used alone? Derivative Proportional Integral Both (b) and (c) Derivative Proportional Integral Both (b) and (c) ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The poles with greater displacement from the real axis correspond to Lower frequencies of oscillations Unbounded output Higher frequencies of oscillations Stable response Lower frequencies of oscillations Unbounded output Higher frequencies of oscillations Stable response ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In root locus analysis the breakaway and break in points None of these Always occur in complex conjugate pairs lie on the real axis Either lie on the real axis or occur in complex conjugate pairs None of these Always occur in complex conjugate pairs lie on the real axis Either lie on the real axis or occur in complex conjugate pairs ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems If any term in the first column of a Routh array becomes zero, then Routh criterion cannot be used to determine stability Routh criterion can be used by substituting a small positive number for zero and completing the array Routh criterion can be used by substituting a small negative number for zero and complet-ing the array Routh criterion can be used by substituting a big positive number for zero and completing the array Routh criterion cannot be used to determine stability Routh criterion can be used by substituting a small positive number for zero and completing the array Routh criterion can be used by substituting a small negative number for zero and complet-ing the array Routh criterion can be used by substituting a big positive number for zero and completing the array ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS