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, 2 and 3 3 and 4 1 and 2 All 1, 2 and 3 3 and 4 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A lead compensator Speeds up the transient response None of these Increases the stability margin and speeds up the transient-response. Increases the stability margin Speeds up the transient response None of these Increases the stability margin and speeds up the transient-response. Increases the stability margin ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The addition of a pole to the open loop transfer function pulls the root locus To the right None of these To the left and making the system more stable Towards right or left depending on the position of new pole To the right None of these To the left and making the system more stable Towards right or left depending on the position of new pole ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The relative stability of a system is given by Gain margin alone Either (a) or (b) Phase margin alone Both phase and gain margins Gain margin alone Either (a) or (b) Phase margin alone Both phase and gain margins ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In a simple on-off controller with differential gap, the magnitude of differential gap determines The level of accuracy Both (a) and (b) Neither (a) nor (b) The life of controller The level of accuracy Both (a) and (b) Neither (a) nor (b) The life of controller ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Transport lag usually exists in Thermal systems Thermal, hydraulic and pneumatic systems Hydraulic systems and thermal systems Pneumatic systems Thermal systems Thermal, hydraulic and pneumatic systems Hydraulic systems and thermal systems Pneumatic systems ANSWER DOWNLOAD EXAMIANS APP