Control Systems A first order control system is initially at 0 V and subjected to a sudden input at t=0. Its output reaches 1.1 V in 4 sec and eventually reaches steady state of 2 V. Find the time constant? 6 sec 2 sec 4 sec 5 sec 6 sec 2 sec 4 sec 5 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems When the input to a system was with drawn at t = 0, its output was found to decrease exponentially from 1000 units to 500 units in 1.386 sec. The time constant of the system is 0.693. 2.000. 1.386. 0.500. 0.693. 2.000. 1.386. 0.500. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The open loop transfer function of a unity feedback control system is given by G(s) = k/s(s+1). If the gain k is increased to infinity, then damping ratio will tend to become unity infinite 0.707 zero unity infinite 0.707 zero ANSWER DOWNLOAD EXAMIANS APP
Control Systems The value of gain margin of the system having G ( s )H ( s ) = 8 / ( s + 2 )3 is 6. 2. 8. 4. 6. 2. 8. 4. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The position and velocity error coefficient for the transfer function given below are respectively 0 and infinity. 50 and 0. 0 and 0. 50 and infinity. 0 and infinity. 50 and 0. 0 and 0. 50 and infinity. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The device necessarily used for automatic temperature control in a furnace is Any of above. Thermocouple. Auto-transformer. Thermostat. Any of above. Thermocouple. Auto-transformer. Thermostat. ANSWER DOWNLOAD EXAMIANS APP
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