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NST2602 MCQ EXAM PACK 2024
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- University Of South Africa (Unisa)
This document contains NST2602 Recent exam Questions and solutions. Perfect for 2024 EXAM preparation
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NST2602EXAM PACK
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,Assignment 1: Multiple choice questions (MCQ)
1. Why is it that Occupational Health Safety so important that Government has to develop a
policy? (2)
A. to provide health and safety of persons in connection with the use of plant and machinery.
B. to protect all of persons against health and safety hazards arising from work situation.
C. to establish an advisory council for occupational health and safety at work place.
D. all of the above.
2. Regulations that apply to the design, manufacturer, and operation of driven machinery are
aimed at that all. (2)
A. regulations are in place.
B. driven machinery are used in a safe manner.
C. regulations are adhered to.
D. regulations are displayed at work place.
Which one is more in line with the statement above?
3. Technological changes are amongst the popular issues discussed in economic circles and
might even intensely biased. Which of the following aspects is directly affected? (2)
A. labour.
B. economy.
C. energy.
D. production.
4. The six levels of product innovation are defined as: (2)
A. cost discounts.
B. repositioning.
C. improvements to current products.
D. a new to the local products.
Which one is in incorrect?
5. What type of machines that must be fitted with a brake to hold to prevent accident on the event
where there is power supply or load failure? (2)
A. grinding machines.
B. sending machines.
C. lifting machines.
D. wood-planning machines.
,6. How should we regulate the effects of electrical shock? (2)
A. display relevant symbols in the designated places.
B. display notices indicating who qualifies to enter certain sections of buildings.
C. indicate that persons may not interfere with electrical machinery.
D. all of the above.
7. Which statement is “False”? (2)
A. keep the tools clean after use.
B. sharpen blades always before use.
C. use of too much pressure on a tool course slip or break of the tool.
D. check tools whether are in good order before use.
8. Which guideline best describe the prevention of slippage on belt drives? (2)
A. ensure that there is enough power between the belt and the pulleys.
B. the belt and the pulleys must be smooth.
C. use the appropriate belt tension tools to adjust the belt.
D. none of the above.
9. The functions of filing corners, extending square holes and door keyways resonates well with
the tool(s). (2)
A. square file.
B. square and round files.
C. square and half-round files
D. square and knife-edge files
10. What is the responsibility of Mechanical engineers in the field of power
generation? (2)
A. generate electricity
B. design and preserve structures and systems towards energy generation.
C. install turbines and reactors.
D. operation systems.
11. What is the responsibility of Electrical engineers in the field of power generation? (2)
A. evaluate the effectiveness of electrical systems.
B. conduct research into electrical programs for knowledge expansion.
C. design and adapt manufacturing procedures for specific electrical components.
D. all of the above.
, 12. Which one describe best the benefit of using chain drives? (2)
A. reliability
B. flexibility
C. durability
D. ductility
13. Which statement is well suitable to describe electrical control gear? (2)
A. use of the interlocking devices to control the operation of switchgear
B. identifying controlling equipment with the machinery, it controls
C. use of the circuit breaker to isolate the conductors in the system
D. none of the above
14. Hydraulic systems operate with the use of. (2)
A. compressed air
B. fluids
C. compressed air and fluids.
D. all of the above.
15. What is the principle that governs the operation of pneumatic systems? (2)
A. Pascal’s
B. Bernoulli’s
C. Newton’s
D. Boyle’s
Answer questions 16 – 19 based on figure 1 below.
Pneumatics and hydraulics involve cylinders with positions of different diameters and surface areas.
These positions are connected using tubes or pipes to each other the system is filled with air. Based on
your analyses on figure 1 above:
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