Automatic Control Systems The relative stability of a system is given by Gain margin alone Both phase and gain margins Phase margin alone Either (a) or (b) Gain margin alone Both phase and gain margins Phase margin alone Either (a) or (b) ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In the field controlled motor the entire damping comes from Field resistance Motor friction and load Armature resistance Back emf Field resistance Motor friction and load Armature resistance Back emf ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Transport lag usually exists in Thermal systems Thermal, hydraulic and pneumatic systems Pneumatic systems Hydraulic systems and thermal systems Thermal systems Thermal, hydraulic and pneumatic systems Pneumatic systems Hydraulic systems and thermal systems ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A lag compensator Improves steady state behavior and speeds up the transient response of the system Speeds up the transient response of the system Improves steady state behavior and preserves the transient response of the system Improves steady state behavior of the system Improves steady state behavior and speeds up the transient response of the system Speeds up the transient response of the system Improves steady state behavior and preserves the transient response of the system Improves steady state behavior of the system ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Nichol’s chart is symmetric about – 180° axis. False True False True 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 All 3 and 4 1, 2 and 3 1 and 2 All 3 and 4 1, 2 and 3 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
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