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 DC tachogenerator can be used in Neither A nor B Position control system Speed control system Both A and B Neither A nor B Position control system Speed control system Both A and B ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Nichol’s chart is symmetric about – 180° axis. True False True False ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which control action can never be used alone? Proportional Both (b) and (c) Derivative Integral Proportional Both (b) and (c) Derivative Integral ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Nyquist stability criterion uses open loop frequency response characteristics. 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 3 and 4 1 and 2 1, 2 and 3 All 3 and 4 1 and 2 1, 2 and 3 All ANSWER DOWNLOAD EXAMIANS APP
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