Deck 10: Mechanical Hazards and Machine Safeguarding

Question 1

When a machine is being operated without the safeguard, which of the following actions should be taken?

A) Stop machine immediately
B) Report to management next day
C) Show caution while machine is operating
D) Discuss at next safety meeting.

Answer 1

A

Question 2

Fixed guards provide a temporary barrier between workers and the point of operation.

Answer 2

False

Question 3

The National Safety Council defines safeguarding as minimizing the risk of accidents.

Answer 3

True

Question 4

The best guard used in a robot's work envelope is which of the following?

A) Photoelectric device
B) Pullback device
C) Electromechanical device
D) Physical barrier

Question 5

The most common mechanical injuries are cutting and tearing, shearing, crushing, breaking, straining, spraining, and puncturing.

Question 6

A Permanent Electrical Safety Device (PESD) becomes a real safety device only after it is installed as part of a Lockout/Tagout procedure. Until this is done it is nothing but another electrical component.

Question 7

The concept of risk assessment is the process of quantifying the level of risk associated with the operation of a given machine.

Question 8

When a body part comes in contact with a sharp edge, which of the following occurs?

A) Crushing
B) Puncturing
C) Shearing
D) Cutting

Question 9

Machine guards must meet only one overriding requirement: prevention of contact with moving parts.

Question 10

Guards are not effective when used at the point of operation.

Question 11

Concerns about mechanical hazards have only become important in recent years.

Question 12

An optical device that shuts down the machine any time the light field is broken is which of the following?

A) Photoelectric device
B) Electromechanical device
C) Pullback device
D) Radio-frequency device

Question 13

The best robot safeguard is roping off the work area.

Question 14

Which type of guard shuts down the machine when the guard is not securely in place?

A) Fixed
B) Interlock
C) Adjustable
D) Point

Question 15

In an industrial setting, people interact with machines that are designed to drill, cut, stamp, punch, and shape such materials as metal, plastics, and elastomers.

Question 16

Permanent electrical safety devices can improve the effectiveness of lockout/tagout programs.

Question 17

Three types of point of operation guards are fixed, interlocked, and adjustable.