Mai ...oo 4:48 PM course.uceusa.com Which of the following is an exception to th
ID: 105999 • Letter: M
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Mai ...oo 4:48 PM course.uceusa.com Which of the following is an exception to the general rule for safeguarding to prevent hazards during servicing and maintenance of machines? O a) Servicing or maintenance is not hazardous for employees O b Maintenance is minimal and performed as an important part of production o Employer uses other safeguards which provide effective protection as required by OSHA standards All of the above Which of the following is a type of machine safeguarding? o a) Punching O b) Feeding and ejection methods Point of operation d In-going nip points Which of the following is the definition of point of operation? a) Component of the machine which moves while the machine is working b) Part of the mechanical system which conducts energy to the part of the machine performing the work Area on a machine where the work is performed O d) Repetitive up-and-down or back-and-forth linear motion Which of the following is not a common type of hazardous mechanical motion? a) In-running nip points O b) Transversing o Shearing Reciprocating Which of the following is a description of a pullback device? O a) Device that uses cable attached to hands which allows access to the point of operation when the slide/ram is up and automatically withdraws hands when the slide/ram begins to descend. O b) Device with a probe or contact bar which descend a specific distance when the machine is started. O c) Device that requires simultaneous pressure by the operator to the controls, set away from the danger area, to activate the machine. do Device that uses cables or straps attached to the hands at a fixed point that allows movement within a specific safe area.Explanation / Answer
Answer 1.a. Service or maintenance is not hazaedous for employees
general rule, there are exceptions when the servicing or maintenance is not hazardous for an employee, when the servicing which is conducted is minor in nature, done as an integral part of production, and the employer utilizes alternative safeguards which provide effective protection as is required by 29 CFR 1910.212 or other specific standards.
Answer 2.c. point of operation
Interlocked guards are designed to be removed or opened to allow access to the hazard zone—for example, to insert or remove material from the point of operation. Once the guard is opened, however, the machine shuts down automatically, effectively eliminating the hazard.
Answer 3 .b. Part of the mechanical system which conducts energy to the part of the machine performing the work
point of operation is the power transmission apparatus is all components of the mechanical system which transmit energy to the part of the machine performing the work.
Answer 4.c. shearing
In-running nip points, transversing and receprocating are the type of hazardous mechanical
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