Pneumatic Circuit - Mechatronics - Exam, Exams for Mechatronics. National Institute of Industrial Engineering

Mechatronics

Description: Main points of this exam paper are: Pneumatic Circuit, Disadvantages, Pneumatic Component, Quick Exhaust Valve, Pressure Relief Valve, Constructing Cascading Circuits, Circuit Diagram, Notation, Cylinder Movement, Pilot Operated Signal
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Page 1 of 3 MECH 6017
CORK INSTITUTE OF TECHNOLOGY
INSTITIÚID TEICNEOLAÍOCHTA CHORCAÍ
Semester 1 Examinations 2007/08
Module Title: Mechatronics I
Module Code: MECH 6017
School: Mechanical and Process Engineering
Programme Title: Bachelor of Engineering in Mechanical Engineering – Year 1
Programme Code: EMECH_7_Y1
External Examiner(s): Mr. Alan Bateman
Dr. Patrick Delassus
Internal Examiner(s): Mr. Sean Williams
Instructions: Candidates are required to answer three from four questions in the
time allowed
Duration: 2 Hours
Sitting: Winter 2007
Requirements for this examination:
Note to Candidates: Please check the Programme Title and the Module Title to ensure that you are
attempting the correct examination paper.
If in doubt please contact an Invigilator.
Page 2 of 3 MECH 6017
Q1.
a) List the disadvantages associated with pneumatics.
(6 marks)
b) Draw a pneumatic circuit diagram which illustrates the correct method of
circuit layout.
(8 marks)
c) Explain the function undertaken by each pneumatic component illustrated in the
circuit drawn for part (b).
(8 marks)
d) Show with the aid of diagrams how the following valves function:
1. Quick Exhaust valve
2. Pressure relief valve
(12 marks)
Q2.
a) State the rules associated with constructing cascading circuits.
(8 marks)
b) Design and draw an appropriate circuit diagram which illustrates the following
cylinder sequence:
A+B+A-B-
Use correct pneumatic symbols and associated notation in your solution.
(17 marks)
c) A problem has arisen in the sequence above. The first stage of cylinder movement
(A+) takes place, but stage two (B+) does not. List possible problems and suggest
a solution for each problem identified.
(8 marks)
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