Exam (elaborations)
NST2601 Assignment 3 (CORRECT ANSWERS) 2023
- Course
- Nst2601 (NST2601)
- Institution
- University Of South Africa
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NST2601 ASSIGNMENT 32023
ANSWERS ONLY
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QUESTION 1
1.1 ANALYSES OF TWO DOMINANT SYSTEMS
• 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
1.2 DIFFERENE BETWEEN THE SYSTEMS IN 1.1 Mechanical system Control system
• uses of hydraulic presses • uses electronic
• plain hyd presses and handlever-hydraulic presses
Control system
• uses pneumatic
• uses electronic
1.3 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.
1.4 The process of fitting the braking system 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 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.
1.5 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
1.6 How to ensure safety rules on the use of tools in your workshop
• Use the correct tool for a specific job.
• Use tools appropriately.
• Check if tools are in good working order before using them.
• Do not use worn tools.
• Do not apply too much pressure on a tool, because it might slip or break.
• Do not use a tool if it does not have an appropriate insulated handle.
• Sharpen blunt blades before use.
• Keep tools clean after use and store them in an appropriate place of storage.
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