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Marine Control Engineering and Automation Question Bank

In this article you will find question that are related
to the Marine Control Engineering & Automation. it is very important to practice
question to have an insight of how question will come in exam. Answer to these
questions will be published shortly.

Questions related to Marine control engineering & automation

1)   Define
Process control system, Set value, connected command signal,
Deviation, signal processing.
2)  Discuss the
advantage & disadvantage of close loop over open loop system of  
     process control.
3)  Sketch the
proportional & integral control system mechanical type for maintaining 
    the level of water
in a tank
      4)      Explain different response of a servo
   5)         Draw the feedback system of
Ward-Leonard arrangement for controlling the speed of a motor and explain the
mode of operation.
   6)         Compare advantage & disadvantage of
effect of adding integral action in a remote position control servomechanism.
      7)      Sketch & explain the harmonic response
(Nyquised) diagram for frequency response test on a stable system and what is
critically stable system.
  8)          A step change of 2.5% is applied to
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?
   9)         Sketch & explain in brief different
type of pneumatic controllers.
      10)    Sketch and describe the boiler feed water
controlling pneumatic system.  
      11)    Sketch a compressed air system for use with
pneumatic control system.
      12)    Sketch and describe an oil mist detector, state
how sampling in controlled.
      13)    Explain & sketch a voltmeter & an
Ammeter & wattmeter
  14)        What are different methods of damping a
voltage, inductance, capacitance electronic measuring instruments?
   15)       Explain and sketch a block diagram of CRO
& explain its working
        16)  Define following:
system, desired value, input element, converted deviation measuring element.
    Sketch &
describe the open loop & close loop system of process control.
18 )   Sketch and
describe the proportional & derivation control (mechanical type) for
maintaining level of water in a tank.
      19)    What is the technique of improving of the
general performance of servo mechanism?
   20)       Draw a circuit diagram for a system with
ward-Leonard arrangement where feedback control arrangement is used to regulate
the speed of D.C. Motor.
       21)   Compare advantage & disadvantage of
following methods of damping a servo
viscous friction, output velocity feedback.
      22)    Sketch harmonic response (Nyquist) diagram
for frequency response test on an unstable system. 
      23)    A ramp change of 1% linearly is applied to
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?
      24)    What is the advantage/ disadvantage of analog
over digital computing?
     25)     Sketch and describe a master controller
operation for any variation of pressure in a boiler for regulating the air
& fuel supply to the furnace by pneumatic controller.  
     26)     Describe & sketch how the inlet
temperature of lubricating oil to main engine may be automatically monitored
and controlled?
     27)     Describe bridge/ engine room telegraph
interconnecting gear? How wrong way bell is connected?
     28)     Sketch & explain automatic voltage
     29)     What are different damping techniques of
damping electrical, electronic and pressure measuring instruments?

    30)      Explain the method of measuring
resistance, Inductance and capacitance 

Mark Eriscson
Love to write about topics related to maritime sector. Was born in sailor's family, so love to ride on those high seas. In free time i would like to go for a good sunbath and some soothing guitar music. Want to have my own boat one day.

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