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Exam 15: Machine Guarding

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Question 1

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A legal alternative to safeguarding the point of operation on a mechanical power press is to employ a top stop limit.

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Question 2

Multiple Choice

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Which of the following types of presses require point of operation safeguarding?

A) full revolution,hands-in
B) full revolution,hands-out
C) part revolution,hands-in
D) all of the above

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Question 3

Multiple Choice

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Which of the following qualifies as a means of safeguarding the point of operation of a mechanical power press?

Label the overrun switch.

The drawing illustrates a Type A or B gate.

A full revolution punch press operates at 60 rpm and has a safety distance of exactly 63 inches.From this data figure out the number of engagement points and justify your answer with calculations.

Which of the following methods of safeguarding the point of operation of a machine is classified as "no hands in the dies."

For a part revolution mechanical power press used with hands-in-the-dies feeding and equipped with a Type B gate,does the OSHA standard permit an alternative to having a brake monitor and control system on the press? If so,what is this alternative?

The strategy of "guarding by distance" is a positive control to keep the operator or other personnel out of the danger zone at all times.

Which of the following alternatives is suggested for an interlocked barrier guard when hand feeding is to be used for feeding a punch press?

The device shown is prohibited for hand feeding.

It can be said that for some presses the slower the speed of the ram,the safer the press,but for other presses,the faster the speed of the ram,the safer the press.Explain the logic behind this apparent contradiction,and describe the physical features that distinguish these two types of presses.

Describe the principal safety hazard associated with industrial robots?

Which of the following describes the motion of a Type A gate?

Describe a drawback to using biocides in metalworking fluids to combat microorganism growth.

Which of the following alternatives is suggested for an interlocked barrier guard when hand feeding is to be used for feeding a punch press?

Metalworking fluids present which of the following concerns that should be addressed by the safety and health manager?

Which press is part revolution?

The press pictured is an OBI.

Recent advances in plastics and films have introduced which of the following additional hazards to the point of operation?