Exam (elaborations)
NST2602 ASSIGNMENT 3 2022
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USE THIS DOCUMENT FOR REFERENCE ONLY TO AVOID PLAGIARISM.
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NAME:SURNAME:
STUDENT NO.
MODULE CODE: NST2602
ASSIGNMENT UNIQUE NO. 608689
ASSIGNMENT 3 2022
I (full names):
Student number: Module: NST2602
Declare that…
1. I understand what plagiarism entails and am aware of the University’s policy in this regard.
2. I declare that this assignment is my own, original work. Where I used someone else’s
work, whether a printed source, the internet or any other source, I give the proper
acknowledgement and include a complete reference list.
3. I did not use another current or previous student’s work, submitting it as my own.
4. I did not allow and will not allow anyone to copy my work with the intention of submitting it
as his or her own work.
Signature
Date: 21/07/2022
, QUESTION 1
3.1
Mechanical system is set of physical components that convert an input motion and
force into a desired output motion and force, for example a car lift. Mechanical
system works in these elements, input, process and output.
Control system is a system that which provides the desired response by controlling
the output, for example, a software.
3.2
Mechanical system Control system
uses of hydraulic presses uses electronic
plain hyd presses and hand- uses pneumatic
lever-hydraulic presses
3.3 Mechanical system/ hydraulic system. This is because it is used to uplift the heavy
objects and allow mechanic to work underneath the car without lying to the ground.
3.4 Cylinder transmits hydraulic pressure to the slave cylinder when the pedal is pressed,
and if the pressure is applied on one cylinder. The other one will move to lift the
objects and the pump to transport the fluid, which is in the form of oil to the cylinders.
The value mounted in the cylinders should be closed when oil is pumped from the
chamber to boost the pressure inside the cylinder. In this way it causes the plunger to
lift the objects, either a car or truck.
3.5 It is vital to have air because without air objects will not be easy to be lifted. Again, if
the pressure releases, the plunger will drop. A cylinder should be closed when oil is
pumped into the chumber to increase the pressure.
3.6
Do not run in the workshop
Do not work alone in the workshop
Always wear strong shoes
Keep tools clean after use
Do not use worn tools
Check tools if they are in good working condition before use
If you have long hair, tie it up
Always wear overalls and gloves
QUESTION 2
In case of switchboards that do not have uninsulated conductor or are accessible from the
back. In the case of switchboards of which the switch gear is completely walled. If the
provision has made you access a switchboard though an opening in the wall and such
opening can be locked. If all parts of the switchboard are readily accessible from the front. It
is the responsibility of the user to ensure that all switchboards are chosen, installed and
maintained according to the sound engineering practice.
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