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 3 and 4 1, 2 and 3 1 and 2 All 3 and 4 1, 2 and 3 1 and 2 All ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which control action can never be used alone? Derivative Both (b) and (c) Proportional Integral Derivative Both (b) and (c) Proportional Integral ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Transport lag usually exists in Hydraulic systems and thermal systems Thermal, hydraulic and pneumatic systems Thermal systems Pneumatic systems Hydraulic systems and thermal systems Thermal, hydraulic and pneumatic systems Thermal systems Pneumatic systems ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In force current analogue, mechanical mobility is analogous to Reactance X Admittance Y Impedance Z Conductance G Reactance X Admittance Y Impedance Z Conductance G ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The complicated shapes in the polar plots are only due to time constants in the numerator of transfer functions. False True False True ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems For a stable system having two or more gain crossover frequencies the phase margin is measured at the highest crossover frequency. False True False True ANSWER DOWNLOAD EXAMIANS APP
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