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NST2602 ASSIGNMENT 3 2022
- Course
- Nst2602
- Institution
- University Of South Africa (Unisa)
QUESTIONS AND ANSWERS AVAILABLE NST2602 ASSIGNMENT 3 2022
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NST2602Assignment number: 03
Year: 2022
, QUESTION 1
As a new motor mechanic. You wish to start up a new business. You happen to find a
garage with a workshop where you are thinking of servicing and repairing cars. Your wish
is to have a modern workshop with a car lift that will allow you as mechanic to work
underneath the cars without laying on the ground (Hint: for more information, you might
as well be advised to visit or consult with your local car mechanic).
Give the analyses of the two dominant systems you would wish to install in your workshop
a) 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.
b) Control system is a system that which provides the desired response by controlling the
output, for example, a software.
State with reasons the difference that exist between the systems in 1.1
MECHANICAL SYSTEM CONTROL SYSTEM
Uses of hydraulic presses Uses electronic
Plain hyd presses and hand lever- Uses pneumatic
hydraulic presses
Which system in 1.1 mostly applicable to the car breaks?
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.
Describe the process of fitting the braking systems in a car
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
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