2.1 Which TWO safety precautions must be observed when working with a coil spring compressor?
2.2 State THREE safety precautions that should be observed before pressing a bearing from a shaft using a hydraulic press - NSC Mechanical Technology Welding and Metalwork - Question 2 - 2017 - Paper 1
Question 2
2.1 Which TWO safety precautions must be observed when working with a coil spring compressor?
2.2 State THREE safety precautions that should be observed before pres... show full transcript
Worked Solution & Example Answer:2.1 Which TWO safety precautions must be observed when working with a coil spring compressor?
2.2 State THREE safety precautions that should be observed before pressing a bearing from a shaft using a hydraulic press - NSC Mechanical Technology Welding and Metalwork - Question 2 - 2017 - Paper 1
Step 1
Which TWO safety precautions must be observed when working with a coil spring compressor?
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Answer
Ensure that the diameter of the compressor bolts can take the pressure of the coil spring.
Do not exceed the maximum pressure during operation.
Step 2
State THREE safety precautions that should be observed before pressing a bearing from a shaft using a hydraulic press.
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Answer
Take notice of the predetermined pressure of the hydraulic press.
Ensure the pressure gauge is in good working order.
Ensure the platform where the work piece rests is rigid and square with the cylinder of the press.
Step 3
State TWO safety precautions to be considered when using the beam-bending tester.
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Answer
Ensure the beam is clamped properly to the backboard before testing.
Do not exceed the tester's maximum load.
Step 4
Name ONE distinct safety precaution when using EACH of the following items of testing equipment: 2.4.1 Brinell tester
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Answer
The tester must be mounted rigidly on a worktable.
Step 5
Name ONE distinct safety precaution when using EACH of the following items of testing equipment: 2.4.2 Gear and bearing puller
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Answer
Ensure that the puller is at a 90° angle to the work piece before you start to pull.
Step 6
Name ONE distinct safety precaution when using EACH of the following items of testing equipment: 2.4.3 Torsion tester
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Answer
Get specification (torsion) of the different materials and the size of rods you would like to test.
