Module 7 Power Tools

Question 1

How much of the wheel should the guard on a bench grinder cover?
A) 1/4
B) 1/3
C) 1/2
D 2/3

Answer 1

D) 2/3

Question 2

The gap between the tool rest and the grindstone on a bench grinder should never be more than?
A) 1.6mm or 1/16”
B) 3mm or 1/8”
C) 6mm or 1/4”
D) 12mm or 1/2”

Answer 2

B) 3mm or 1/8”

Question 3

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

Answer 3

A) the size and type of abrasive and the type of bonding agent

Question 4

A safety specification to consider when selecting a grinding stone or disk is:
A) the grit size of the abrasive
B) the bonding material
C) the RPM rating of the stone or disc
D) the size of the tool

Answer 4

C) the RPM rating of the stone or disc

Question 5

What is dressing tool 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

Answer 5

B) refacing the surface of grindstones

Question 6

Bouncing or heavy vibration of the workpiece when grinding are indications that the grindstone is
A) of course, grit
B) travelling too fast
C) out of round
D) worn out

Answer 6

C) out of round

Question 7

Before installing a new grindstone, you need to:
A) install a flat washer
B) roll it across the floor to check out of round conditions
C) inspect the wheel for cracks
D) lubricate the centre hole

Answer 7

C) inspect the wheel for cracks

Question 8

The flutes of a drillbit
A) for the cutting edges on the point
B) allow the chips to escape
C) caused the chips to curl
D) permit cutting oil to reach the cutting edge
E) all of the above

Answer 8

E) all of the above

Question 9

The risk of the drillbit 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 hard and steel

Answer 9

A) increases as the bit breaks through the workpiece

Question 10

AV-block should be used when drilling holes in
A) round material
B) L shapes
C) non-Ferris material
D) items wear very accurate hold dimensions are needed

Answer 10

A) round material

Question 11

Hand drills are rated by the
A) horsepower rating
B) maximum RPM
C) depth they can drill
D) size of the chuck

Answer 11

D) size of the chuck

Question 12

Tapered shanks are most common on__________ drillbits
A) small
B) large
C) number
D) letter 13 B

Answer 12

B) large

Question 13

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

Answer 13

C) clamping jigs to the table

Question 14

Magnetic base drill press is an advantage when
A) drilling non-Ferris metals
B) very accurate drilling is required
C) holes are drilled in the vertical plane
D) the cutting chips need to be recovered

Answer 14

C) holes are drilled in the vertical plane

Question 15

Forming steel plate into cylinders is a process known as
A) braking
B) bending
C) pressing
D) rolling

Answer 15

D) rolling

Question 16

The main reason for using templates when forming steel is too
A) maintain accuracy
B) increase production
C) eliminate tactical errors
D) enhance your pattern development skills

Answer 16

A) maintain accuracy

Question 17

The power tool that is best suited for creating intricate shapes and multiple bends is
A) plate roll
B) power bender
C) power break
D) hydraulic press

Answer 17

B) power bender

Question 18

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

Answer 18

A) sharpening bucket teeth

Question 19

What two factors must be considered when setting the blade clearance on a power shear?
A) hardness and ductility
B) sheer strength and thickness
C) material type and thickness
D) sheer blade condition and lubricant type

Answer 19

C) material type and thickness

Question 20

One advantage of a vertical bandsaw is that it:
A) permits, better operator, visibility
B) can be used to cut curves
C) provides easy access for blade changes
D) shut itself off when the cut is completed

Answer 20

B) can be used to cut curves

Question 21

When cutting with a horizontal ban saw, it is possible to:
A) cut several pieces of barstock at the same time
B) could a variety of structural shapes
C) start the cut and then go work on something else
D) all of the above

Answer 21

D) all of the above

Question 22

A notcher is a cutting tool found on
A) band saw
B) a cut off saw
C) an ironworker
D) a hydraulic press

Answer 22

C) an ironworker

Question 23

Safe cutting of L-shaped structures in a cut off saw requires:
A) a labour 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 shape against the adjustable block of the clamping device
D) both legs of the L shape resting on the tool base

Answer 23

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

Question 24

Power positioners range in size from small tap top versions to large industrial versions.
True or false

Answer 24

True

Question 25

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) counterweights
B) slings and an overhead crane
C) pipe stands
D) all of the above
E) both A & C

Answer 25

E) both A & C

Question 26

What process can a manual power position be used with?
A) manual
B) semi automatic
C) automatic
D) both A&B
E) all of the above

Answer 26

E) all of the above