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OSHA > Machinery & Machine Guarding > Flashcards

Machinery & Machine Guarding Flashcards

1
Q

What’s 1910.211 in Subpart O

A

Definitions

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2
Q

What’s 1910.212 in Subpart O

A

General Requirements for All Machines

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3
Q

What’s 1910.213 in Subpart O

A

Woodworking Machinery Requirements

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4
Q

What’s 1910.215 in Subpart O

A

Abrasive Wheel Machinery

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5
Q

What’s 1910.216 in Subpart O

A

Mills and Calenders in the Rubber and plastics industries

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6
Q

What’s 1910.217 in Subpart O

A

Mechanical Power Presses

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7
Q

What’s 1910.218 in Subpart O

A

Forging Machines

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8
Q

What’s 1910.219 in Subpart O

A

Mechanical Power-Transmission Apparatus

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9
Q

What Function does the clutch have on a mechanical power press?

  • provides the means of transmitting the energy from the fly wheel to the crankshaft
  • provides the means of transmitting energy from the crankshaft to the slide
  • provides a mechanical connection between the upper and lower dies
A

provides the means of transmitting energy from the fly wheel to the crankshaft

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10
Q

what standard would be used to cite a printing press?

  • 1910.217
  • 1910.218
  • 1910.212
  • 1910.216
  • none of the above
A

1910.212 general requirements for ALL MACHINES

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11
Q

Osha specifies the type of guarding method for press brakes?

T or F

A

False

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12
Q

Robotic installations not properly safeguarded are cited under 1910.212 or 5(a)(1)?
T or F

A

True - there are no specific robotic installation standards

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13
Q

No point of operation guard is installed on a power press which operates with a die opening of 3/16 in. Is this a violation?
Y or N

A

No - only required if 1/4” +

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14
Q

Which one of the following statements is incorrect?

  • Presence sensing devices are restricted for use only on part revolution clutch presses
  • holdout or restraint devices consist of attachments for each of the operator’s hands, which are securely anchored and adjusted to prevent the operator from reaching into the point of operation at any time.
  • Pull-out devices consist of operator wristbands connected by cords and linkage to the slide or upper dis that when the die descends the operator’s hands will automatically withdrawn from the point of operation if he had not already withdrawn them.
  • A moveable barrier or gate device resembles an interlocked barrier guard in appearance. It is interlocked into the pres clutch so that slide motion cannot be initiated unless the gate is closed.
  • None of the above.
A

-Presence sensing devices are restricted for use only on part revolution clutch presses.
The only press that is restricted is a full revolution clutch press.

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15
Q

The foreman told the press operator to use hand feeding tools as a point of operation guard in lieu of the broken moveable barrier device. Is this substitute acceptable?
Y or N

A

No. The feeding tool is not a guard.

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16
Q

Subpart O requires that all machine operators be trained in machine operations
T or F

A

False - It’s not just in Subpart O

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17
Q

Training of maintenance personnel for mechanical power presses is the responsibility of the manufacturer of the press.
T or F

A

False - It’s the employer’s responsibility 217(e)(3)

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18
Q

It is the responsibility of the employer to establish a diesetting procedure that will ensure compliance with 1910.217d?
T or F

A

True - 217-d-9-i

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19
Q

The slower a full revolution press runs the closer the two hand trip can be located with respect to the point of operation.
T or F

A

True - D=63 x T
D= distance
T= time
Thus the lower the time the lower the distance

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20
Q

A type “B” gate, when used on a press, prevents entry only during the downstroke and must prevent access prior to die closure.
T or F

A

True - Type A gate stays down during upstroke and downstroke

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21
Q

The headstock and the tailstock centers provide supports for a workpiece on a woodworking lathe.
T or F

A

True

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22
Q

Operating treadles on woodworking machinery shall be protected against unexpected or accidental tripping

A

True - (treadle = foot pedal) and should be free of hazards.

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23
Q

1910.212 is used for citing saws used to cut meat

T or F

A

True - 212 is general requirements for All Machines

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24
Q

A guard to confine pieces of flying scale shall be installed in front of every forging hammer.
T or F

A

False - Back not the front

25
Q

Mills or calenders no matter what type of industry they are in are to be cited under 1910.216
T or F

A

False - Rubber and plastics industry only

26
Q

Chains and sprockets shall be guarded unless they are located 7 feet or more above the floor or platform
T or F

A

True - 219-f-3

27
Q

Mechanical forging presses must be locked out before maintenance work is performed according to the 1910.218 standard
T or F

A

False - LOTO standard

28
Q

Natural sandstone wheels must be guarded according to the 1910.215 standard
T or F

A

False - Natural sandstone wheels are excluded 215-a-5

29
Q

blotters on abrasive wheels are installed only so we know the maximum RPM’s of the wheel and the name of the manufacturer.
T or F

A

False - blotters help with uniform distribution of flange pressure

30
Q

Sweep devices used alone on a mechanical power press are an acceptable means of safeguarding
T or F

A

False - 217-c-3-v sweeper device should not be used as a point of operation guard

31
Q

A double spindle shaper must have a spindle starting and stopping device for each spindle
T or F

A

True - 213-m-3

32
Q

Acrylics or hard plastics are suitable materials for guards on power transmission apparatus other than flywheels
T or F

A

False - 219-m-1-i - metals, etc.

33
Q

All new mill installations shall be installed so that the top of the operating rolls is not less than 25 inches above the level on which the operator stands.
T or F

A

False - 50 inches - 216-a-4

34
Q

A bandsaw used to cut aluminum is to be cited under which standard?

  • 1910.213
  • 1910.212
  • 1910.2151
  • either 1 or 2 depending on violation
A

1910.212 - general requirements for ALL MACHINES

35
Q

How big can the opening for a fan guard be?

  • 3/4
  • 1/2
  • 1/4
  • 3/8
A

1/2”

36
Q

Guards for power transmission apparatus shall be rigidly braced every 4 feet or frictional part of their height to some fixed part of machinery or building structure.
T or F

A

False - rigidly braced every 3 feet

37
Q

A square cutting head may be used on a jointer manufactured prior to 1981
T or F

A

?

38
Q

An unguarded press brake must be cited under the 1910.217 standard.
T or F

A

false - 212 general requirements as well

39
Q

a presence sensing device of any kind is an acceptable safety device on any mechanical power press.
T or F

A

False - they should not be used on a full revolution mechanical power press. 217-c-3-iii-a

40
Q

Flanges on new abrasive wheels shall be not less than 1/2 the diameter of the wheel
T or F

A

False - 1/3 the diameter of the wheel

41
Q

All projection shaft ends must be removed or guarded by a non-rotating cap or safety sleeve.
T or F

A

False - Not project more than 1/2 the diameter of the shaft - 219-c-4-i

42
Q

All point of operation injuries on a mechanical power press must be reported to the Department of Labor within 48 hours.
T or F

A

False - within 30 days. 217-g-1

43
Q

A good lockout program must include which of the following requirements?

  • training
  • communication
  • individually keyed locks
  • enforcement
  • all of the above
A

All of the above

44
Q

Portable belt sanding machines shall be provided with guards at each nip point
T or F

A

True - 213-p-4

45
Q

One disadvantage of using a type “A” gate is its high installation cost
T or F

A

False - cost is not a disadvantage

46
Q

Guarding is not required for a belt and pulley arrangement located 6-1/2 feet above a working area
T or F

A

False - 7 feet

47
Q

Presence sensing devices, pull backs, restraints and two-hand trips are acceptable as point of operation safeguarding on a part revolution press.
T or F

A

True

48
Q

Press brakes and forging presses are included in the requirements of 1910.217

A

False - 217-a-5

49
Q

An adjustable barrier guard is:

  • A guard attached to the press frame or bolster plate (base)
  • a barrier attached to the die shoe or stripper
  • a guard attached to the press bed, bolster bed, or die shoe and requires adjustment (by authorized personnel only) for each job or die set-up
  • a guard attached to the press frame and bolster plate and is equipped with hinged or moveable sections. The guard itself or the sections are locked in the closed position.
A

a guard attached to the press bed, bolster bed, or die shoe and requires adjustment (by authorized personnel only) for each job or die set-up
217-c-2-vi

50
Q

OSHA specifies guarding methods for mechanical power presses

T or F

A

True - 217-c-1-i

51
Q

Which one of the listed applications does not apply to pres brakes

  • bend sheet metal at various angles
  • pierce holes
  • punch out metal discs at high rate
  • straighten or roll steel plate
  • use as a part revolution mechanical power press
A

punch out metal discs at high rate

52
Q

Flywheels located so that any parts is 7 feet or less above the floor or platform shall be guarded over their entire dimension.
T or F

A

False

53
Q

The requirements for guarding all types of table saws are the same
T or F

A

False

54
Q

An upsetter is a machine which would be cited under 1910.216

T or F

A

False - 218

55
Q

Only used abrasive wheels are required to be ring tested according to 1910.215
T or F

A

False

56
Q

Magnetic switches are required by the standards on all types of machines
T or F

A

False

57
Q

A lockout or tagout device may be affixed to each energy isolating device by supervisory personnel only
T or F

A

False

58
Q

A type “A” gate must enclose the point of operation before a stroke can be initiated and remain closed as long as the slide is moving.
T or F

A

True

OSHA (3 decks)

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