120101g Power Tools Flashcards

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1
Q

Guards on bench grinders should cover:
a) 1/4 of the wheel.
b) 1/3 of the wheel.
c) 1/2 of the wheel.
d) 2/3 of the wheel.

A

d) 2/3 of the wheel.

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2
Q

The gap between the tool rest and the grindstone on a bench grinder should never be
more than:
a) 1.6 mm (1/16”).
b) 3 mm (1/8”).
c) 6 mm (1/4”).
d) 12 mm (1/2”).

A

b) 3 mm (1/8”).

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3
Q

A grinding wheel is classified by:
a) the size and type of abrasive and the type of bonding agent.
b) the size and width of the stone.
c) the outside diameter and the size of the arbor hole.
d) the shape and colour of the wheel.

A

a) the size and type of abrasive and the type of bonding agent.

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4
Q

A safety specification to consider when selecting a grinding stone or disc is:
a) the grit size of the abrasive.
b) the type of bonding material.
c) the rpm rating of the stone or disc.
d) the size of the tool.

A

c) the rpm rating of the stone or disc.

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5
Q

A dressing tool is used for:
a) putting a fine finish on ground edges.
b) refacing the surface of grindstones.
c) squaring the tool rest to the grindstone.
d) checking the clearance between the grindstone and the rest.

A

b) refacing the surface of grindstones.

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6
Q

Bouncing or heavy vibration of the workpiece when grinding are indications that the grindstone is:
a) a coarse grit.
b) travelling too fast.
c) out of round.
d) worn out.

A

c) out of round.

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7
Q

Before installing a new grindstone, you need to:
a) install a flat washer.
b) roll it across the floor to check for out-of-round conditions.
c) inspect the wheel for cracks.
d) lubricate the centre hole.

A

c) inspect the wheel for cracks.

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8
Q

The flutes of a drill bit:
a) form the cutting edges on the point.
b) allow the chips to escape.
c) cause the chips to curl.
d) permit cutting oil to reach the cutting edges.
e) all of the above.

A

e) all of the above.

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9
Q

The web of a drill bit:
a) separates the flutes.
b) is the supporting section of the bit.
c) gradually increases in thickness throughout its length.
d) all of the above.

A

d) all of the above.

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10
Q

The risk of the drill bit grabbing the work or breaking:
a) increases as the bit breaks through the workpiece.
b) can be avoided by using adequate lubricant.
c) can be minimized by running the drill faster.
d) only occurs when drilling hardened steels.

A

a) increases as the bit breaks through the workpiece.

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11
Q

A V-block should be used when drilling holes in:
a) round material.
b) L shapes.
c) non-ferrous material.
d) items where very accurate hole dimensions are needed.

A

a) round material.

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12
Q

Hand drills are rated by the:
a) horsepower rating.
b) maximum rpm.
c) depth they can drill.
d) size of the chuck.

A

d) size of the chuck.

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13
Q

Tapered shanks are most common on ____________ drill bits.
a) small
b) large
c) number
d) letter

A

b) large

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14
Q

Slots in the drill press table are provided for:
a) mounting the drill head.
b) draining the cutting fluid.
c) clamping jigs to the table.
d) securing the column.

A

c) clamping jigs to the table.

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15
Q

A magnetic base drill press is an advantage when:
a) drilling non-ferrous metals.
b) very accurate drilling is required.
c) holes are drilled in the vertical plane.
d) the cutting chips need to be recovered.

A

c) holes are drilled in the vertical plane.

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16
Q

Forming steel plate into cylinders is a process known as:
a) braking.
b) bending.
c) pressing.
d) rolling.

A

d) rolling.

17
Q

The main reason for using templates when forming steel is to:
a) maintain accuracy.
b) increase production.
c) eliminate tactical errors.
d) enhance your pattern development skills.

A

a) maintain accuracy.

18
Q

Before using a power brake, it is good practice to:
a) turn the machine on.
b) check with your foreman.
c) confirm the machine settings.
d) take off your safety glasses.

A

c) confirm the machine settings.

19
Q

The power tool that is best suited for creating intricate shapes and multiple bends is
the:
a) plate roll.
b) power bender.
c) power brake.
d) hydraulic press.

A

b) power bender.

20
Q

Trip hammers are a good tool for:
a) sharpening bucket teeth.
b) pounding out dents.
c) removing alignment pins.
d) driving bolts into misaligned holes.

A

a) sharpening bucket teeth.

21
Q

What two factors must be considered when setting the blade clearance on a power shear?
a) hardness and ductility
b) shear strength and thickness
c) material type and thickness
d) shear blade condition and lubricant type

A

c) material type and thickness

22
Q

One advantage of a vertical band saw is that it:
a) permits better operator visibility.
b) can be used to cut curves.
c) provides easy access for blade changes.
d) shuts itself off when the cut is completed.

A

b) can be used to cut curves.

23
Q

When cutting with a horizontal band saw, it is possible to:
a) cut several pieces of bar stock at the same time.
b) cut a variety of structural shapes.
c) start the cut and then go work on something else.
d) all of the above.

A

d) all of the above.

24
Q

A notcher is a cutting tool found on:
a) a band saw.
b) a cut-off saw.
c) an ironworker.
d) a hydraulic press.

A

c) an ironworker.

25
Q

Safe cutting of L shape structures in a cut-off saw requires:
a) a labourer to do the work.
b) one vertical leg of the L shape against the stationary block of the clamping device.
c) one vertical leg of the L shape against the adjustable block of the clamping device.
d) both legs of the L shape resting on the tool base.

A

b) one vertical leg of the L shape against the stationary block of the clamping device.

26
Q

Power positioners range in size from small tap top versions to large industrial versions.
a) true
b) false

A

a) true

27
Q

The shape, size or length of an object being welded on the positioner may require the use of what to help it rotate easily?
a) counter weights
b) slings and an overhead crane
c) pipe-stands
d) all of the above
e) both a and c

A

e) both a and c

28
Q

What processes can a power position be used with?
a) manual
b) semi-automatic
c) automatic
d) both a and b
e) all of the above

A

e) all of the above