Automatic Control Systems Nichol’s chart is symmetric about – 180° axis. False True False True ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems If any term in the first column of a Routh array becomes zero, then Routh criterion can be used by substituting a big 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 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 big 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 cannot be used to determine stability Routh criterion can be used by substituting a small positive number for zero and completing the array ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A lead compensator Increases the stability margin None of these Speeds up the transient response Increases the stability margin and speeds up the transient-response. Increases the stability margin None of these Speeds up the transient response Increases the stability margin and speeds up the transient-response. ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A conditionally stable system is stable for the value of gain between two critical values. It is unstable if The gain is increased beyond upper critical value None of these The gain is decreased below lower critical value Both A and B The gain is increased beyond upper critical value None of these The gain is decreased below lower critical value Both A and B ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In force current analogue, mechanical mobility is analogous to Reactance X Impedance Z Conductance G Admittance Y Reactance X Impedance Z Conductance G Admittance Y ANSWER DOWNLOAD EXAMIANS APP
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 1, 2 and 3 1 and 2 3 and 4 All 1, 2 and 3 1 and 2 3 and 4 All ANSWER DOWNLOAD EXAMIANS APP
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