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Questions related to Marine control engineering & automation
Deviation, signal processing.
advantage & disadvantage of close loop over open loop system of
proportional & integral control system mechanical type for maintaining
in a tank
Ward-Leonard arrangement for controlling the speed of a motor and explain the
mode of operation.
effect of adding integral action in a remote position control servomechanism.
(Nyquised) diagram for frequency response test on a stable system and what is
critically stable system.
the input of a P + I controller and output gives a sudden step change of 5% and
after 2 minutes the total output change is 12.5%, Find proportional bandwidth
and integral action time?
type of pneumatic controllers.
controlling pneumatic system.
pneumatic control system.
how sampling in controlled.
Ammeter & wattmeter
voltage, inductance, capacitance electronic measuring instruments?
& explain its working?
system, desired value, input element, converted deviation measuring element.
describe the open loop & close loop system of process control.
describe the proportional & derivation control (mechanical type) for
maintaining level of water in a tank.
general performance of servo mechanism?
ward-Leonard arrangement where feedback control arrangement is used to regulate
the speed of D.C. Motor.
following methods of damping a servo
viscous friction, output velocity feedback.
for frequency response test on an unstable system.
the input of a P + D controller and output gives a sudden step change of 5% and
after this output changes linearly at 3% per minute. Determine proportional
bandwidth and derivative action time?
over digital computing?
operation for any variation of pressure in a boiler for regulating the air
& fuel supply to the furnace by pneumatic controller.
temperature of lubricating oil to main engine may be automatically monitored
interconnecting gear? How wrong way bell is connected?
damping electrical, electronic and pressure measuring instruments?
30) Explain the method of measuring
resistance, Inductance and capacitance