Automatic Control Systems Magnetic amplifier is used for Voltage amplification Frequency amplification Power amplification Current amplification Voltage amplification Frequency amplification Power amplification Current amplification ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Transport lag usually exists in Pneumatic systems Thermal, hydraulic and pneumatic systems Thermal systems Hydraulic systems and thermal systems Pneumatic systems Thermal, hydraulic and pneumatic systems Thermal systems Hydraulic systems and thermal systems 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 and 2 1, 2 and 3 3 and 4 All 1 and 2 1, 2 and 3 3 and 4 All ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which dc servomotor requires strongest permanent magnet? Slotted armature Surface wound armature Surface wound with stationary rotor Either A or B Slotted armature Surface wound armature Surface wound with stationary rotor Either A or B ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The relative stability of a system is given by Both phase and gain margins Either (a) or (b) Phase margin alone Gain margin alone Both phase and gain margins Either (a) or (b) Phase margin alone Gain margin alone ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The effect of adding poles and zeros can be determined quickly by Root locus Nichols chart Bode plot Nyquist plot Root locus Nichols chart Bode plot Nyquist plot ANSWER DOWNLOAD EXAMIANS APP
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