Test on Lab saftey

What piece of PPE must one always wear in the machine shop?

safety glasses

What piece of PPE is recommended, though not required, when working in the machine shop?

ear plugs

Where is most of the PPE located?

Hallway between CCE 057 (machine shop) and CCE 059 (shop office); hallway outside the double door entrance to CCE 055 (Fluid Dynamics / Hydraulics Lab)

what type of footwear is acceptable in the machine shop?

closed toed shoes, preferably with steel or composite toes

what clothing and apparel must one not wear in the shop?

no loose fitting clothing or jewelry

what must one do with long hair before entering the shop?

wear it up, back and covered

where is the eye wash station?

in the preparation hallway behind CCE 055

is eating or drinking permitted in the MS?

no

What is the purpose of the large red buttons on the machine shop’s walls?

The red “panic” buttons cut power to machines on the east wall, north wall and by the interior window.

What safety device should one use to guide work into a vertical band saw’s blade?

push sticks

Besides the safety device that answers Question 1, where should one keep his hands when guiding work through a band saw blade?

On the immobile surface of the band saw’s work table

Name two hazards associated with replacing a band saw blade.

1) Cuts from the sharp blades

2) Excessive tension can cause a blade to shatter.

What must one remove from the drill press before operating it?

Chuck key

What is the safest and most secure way to secure work when drilling?

Clamp the work in a vice secured to the press

What must one use to remove chips from the area near the hole being drilled?

Use a brush, never hands.

After turning the drill off, is it acceptable to stop the spindle with one’s hand?

no

To prevent breakage or injury when changing drill bits, what should one place beneath the bit?

A wood block or other soft material

Does one need to wear any other PPE if the grinder guard is in place?

The grinder guard is not sufficient. Wear appropriate PPE.

List all PPE a student must wear when using the grinder?

Safety glasses, face shield, ear plugs

What type of PPE is potentially dangerous and should not be worn when grinding?

gloves

Never grind what types of metal with a bench grinder – provide an example?

Never grind soft metals such as aluminum

How far should the tool rest be from the grinding wheel?

1/16”

Where should one stand when grinding?

Stand to one side of the wheel. Never stand in front of the wheel

When grinding work, what should one do to prevent the work from becoming too hot?

Dip the work in a cooling bath of water.

What personal items must one remove before using a lathe?

remove all jewelry

What should one do with long hair before operating a lathe?

Secure hair; nothing must dangle near any of the lathe’s moving parts.

After securely clamping the work, what must one remove before turning begins?

Remove the chuck key.

It is good practice to do this to the chuck before activating the lathe.

Turn the chuck by hand to ensure that the work piece will not strike the lathe.

What must be in place before operating the lathe?

The chuck guard must be down.

When turning the work, one must take care not to drive the turning tool into what part of the lathe?

Chuck. Do not drive the turning tool into the chuck.

During turning, if it becomes necessary to wipe the work or take measurements, what must one do first?

Stop the lathe.

Newly cut edges are sharp. What should one do before removing the work?

Deburr them

During milling, if it becomes necessary to wipe, measure or adjust the work, what must one do first?

Stop the mill

What PPE should one use when handling end mills?

Use a heavy cloth or glove.

When using a work-holding device such as a vice, what two things must one secure?

Secure the work piece to the work-holder, and secure the work-holder to the mill’s table.

Where is the mill’s emergency stop switch?

The switch is on the control panel below the table.

What must one use to remove chips from the area near the end mill?

Use a brush, never hands

When the mill is operating, never put hands near what?

End mill. Keep hands away from the end mill during operation