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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) form 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

A V-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) cut 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 table 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 power positioner 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

Question 27

What must you ensure when you are replacing a grinding wheel?

Answer 27

That the rpm rating on the wheel is suitable for the grinder

Question 28

Wheel guards are required on bench and pedestal grinders. How much of the wheel should they cover? a) at least 26% b) at least 45% c) at least 66% d) at least 85%

Answer 28

c) at least 66%

Question 29

Wheel guards are required on bench and pedestal grinders. How far past the vertical plane should they extend? a) 10° - 20° b) 30° - 45° c) 45° - 60° d) 45° - 70°

Answer 29

b) 30° - 45°

Question 30

A tool rest should be mounted so that there is no more than _______ between the grinding wheel and the tool rest. a) 1/16" b) 1/8" c) 1/4" d) 3/8"

Answer 30

b) 1/8" and at or above the centreline

Question 31

What is the most common bonding agent called? a) silicon carbide b) resinoid c) vitrified d) carbide

Answer 31

c) vitrified these wheels are suitable for speeds up to 6500rpm

Question 32

Blotters are pieces of heavy paper attached to each side of the grinding wheel. Are the following statements T / F ______ They compensate for uneven surfaces on the sides of the wheel ______ They display important information about the wheel ______ They assist the wheel in running true

Answer 32

T - They compensate for uneven surfaces on the sides of the wheel T - They display important information about the wheel - Max safe rpm - size of the wheel - type, grit, grade of wheel F - They assist the wheel in running true

Question 33

What does the term dressing refer to for grinding wheels. a) removal of material from the face if it is out of round b) putting a new grinding wheel on the grinder c) cleaning or restoring the sharpness of a wheel that has become glazed or loaded with foreign particles

Answer 33

c) cleaning or restoring the sharpness of a wheel that has become glazed or loaded with foreign particles

Question 34

What other names are there for a portable grinder?

Answer 34

angle grinder - disk runs at 90° to the body straight grinder - they run directly inline with its body ( die grinder)

Question 35

Is it true that there are some angle grinders that are rated as high as 12,000 rpm?

Answer 35

Yes there are some angle grinders that are rated to 12,000 rpm

Question 36

Portable grinders for flat or surface welding, holding the disk at a flat angle of _______ to the metal surface. a) 5° b) 10° c) 15° d) 20°

Answer 36

b) 10°

Question 37

when close tolerances are required what grinding technique should be used? a) cross grinding technique b) sweeping c) reciprocating d) blanchard grinding

Answer 37

a) cross grinding technique - this means grinding in layers, changing direction by 90° with each layer

Question 38

When drilling a round shape, clamp the object in a ________ to prevent the material from rolling a) pipe clamp b) V- Block c) hose clamp d) clam shell

Answer 38

b) V- Block

Question 39

Sensitive drill presses requires the operator to feed the drill by: a) using electrical controls to advance the drill b) pulling a hand feed lever c) the drill feed is automatic - operator only swaps the parts

Answer 39

b) pulling a hand feed lever

Question 40

Upright drilling machines is similar to a sensitive drill press except: a) an upright drill press is larger and uses a power feed system b) an upright drill press is smaller and used for intricate c) an upright is larger but requires the operator to pull a feed lever to advance the drill d) the table on an upright drill is magnetic

Answer 40

a) an upright drill press is larger and uses a power feed system

Question 41

What is the biggest benefit of using a radial drilling machine? a) The column can be positioned anywhere within a certain radius of the column b) the radius can be positioned anywhere within a certain angle of the column c) the spindle can be positioned anywhere within a certain radius of the column, depending on the size of the machine

Answer 41

c) the spindle can be positioned anywhere within a certain radius of the column, depending on the size of the machine

Question 42

list 3 common types of drill chucks

Answer 42

1. keyed drill chuck - heavy duty 2. keyless chuck - light duty 3. drill socket and sleeve - an adapter for when the drill bit's taper is either too large or too small for the machine's chuck directly

Question 43

Twist drills/ drill bits have 3 main parts a) point, body, shank b) tip, body, shank c) point, shaft, tang d) tip, shank, tang

Answer 43

a) point, body, shank

Question 44

Straight shanks on twist drills are generally used on drills up to _______" in diameter

Answer 44

1/2"

Question 45

To remove a taper shank twist drill from a drill sleeve or spindle you: a) release the locking pin b) use a punch to release the twist drill from the tang c) use a wedge shaped drift tool driven in to a slot above the tang

Answer 45

c) use a wedge shaped drift tool driven in to a slot above the tang

Question 46

What is the lip clearance created by: a) combining specific angles of heel and flute b) grinding the heel lower than the cutting edge c) enduring the margin is at the correct angle

Answer 46

b) grinding the heel lower than the cutting edge

Question 47

What guides the drill in the hole and maintains the drill diameter a) lip or cutting edge b) the web c) the heel d) lip clearance

Answer 47

d) lip clearance

Question 48

The ______ is the thin portion in the centre of the drill. This forms the chisel edge and increases in thickness towards the shank. a) heel b) flute c) chisel edge d) web

Answer 48

d) web

Question 49

The 4 methods used to designate twist drill sizes. List them from smallest to largest 1. 2. 3. 4.

Answer 49

1. number 2. letter 3. fractional 4. metric

Question 50

Number twist drills are the smallest & range from #____ at .0059" up to #____ at 0.228"

Answer 50

from #97 to #1

Question 51

Letter twist drills begin where numbered drills leaves off. They range from ____ at .234" up to ____ at .413"

Answer 51

from A to Z

Question 52

Fractional twist drills are avail in diameters ranging from 1/16" to ____" a) 2" b) 4" c) 6" d) 8'

Answer 52

b) 4"

Question 53

Metric twist drills range from .04mm to _____mm in diameter. a) 40mm b) 80mm c) 90mm d) 100mm

Answer 53

b) 80mm

Question 54

If there is insufficient lip clearance the twist drill: a) the edges lack support which causes chipping b) vibrates while cutting causing a larger kerf c) can not be fed into the work efficiently d) the drill will cut oversized holes

Answer 54

c) can not be fed into the work efficiently

Question 55

If there is to much lip clearance, the cutting edges lack support, which causes: a) vibration b) bouncing c) cracking d) chipping

Answer 55

d) chipping

Question 56

When sharpening twist drills, align the twist drill so that the shank is_______ _______ than the point and the axis of the twist drill is 59° from the face of the wheel a) level b) slightly higher c) slightly lower d) significantly lower

Answer 56

c) slightly lower

Question 57

Twist drills are manufactured with standard point geometry with a drill point angle of ____° and a lip clearance angle of ____° a) 110° & 5° b) 118° & 10° c) 125° & 18° d) 132° & 10°

Answer 57

b) 118° & 10°

Question 58

What drill point angles _______ & lip clearances _______are better for use on SS? a) 135° & 8° b) 150° & 10° c) 50° & 120° d) 120° & 25°

Answer 58

a) 135° & 8°

Question 59

Softer materials like plastic or non-ferrous metals should be drilled with a drill point angle of ______° to ______° and a lip clearance angle of up to _____° a) drill point angle of 50° to 80° & lip clearance of up to 10° b) drill point angle of 60° to 90° & lip clearance of up to 12° c) drill point angle of 80° to 90° & lip clearance of up to 8° d) drill point angle of 30° to 60° & lip clearance of up to 5°

Answer 59

b) drill point angle of 60° to 90° & lip clearance of up to 12°

Question 60

Is it true that there are drills with carbide inserts for drilling of very hard materials?

Answer 60

Yes that statement is true

Question 61

What is the ideal ratio of oil to water for coolants & cutting fluids? a) 10:1 b) 15:1 c) 25:1 d) 40:1

Answer 61

c) 25:1

Question 62

Plate rolls are available to use 3, 4, or 5 rollers. ______ roller usually the ______ roller is stationary. a) 2 rollers usually the top rollers are stationary b) 2 rollers usually the bottom rollers are stationary c) 1 roller usually the bottom roller is stationary d) 1 roller usually the top roller is stationary

Answer 62

d) 1 roller usually the top roller is stationary

Question 63

Some _______ _______ have grooves incorporated for rolling L-shape, C shape and other structural shapes. a) plate rolls b) iron workers c) shears d) power breaks

Answer 63

a) plate rolls

Question 64

How are power breaks rated? a) thickness of material b) electric or pneumatic c) type of bend to be made d) max thickness and length of material

Answer 64

d) max thickness and length of material

Question 65

What advantage does a press have over a power break or press? a) where multiple or compound bends are required b) where material thickness is greater c) when using material that has hot shortness d) when material has high tensile strength

Answer 65

a) where multiple or compound bends are required

Question 66

What is the largest hazard when operating a pneumatic press: a) lines blowing from increased pressures b) the ram moves quickly & the operator has to run it with a foot pedal keeping them within the machines proximity c) pinched fingers

Answer 66

b) the ram moves quickly & the operator has to run it with a foot pedal keeping them within the machines proximity

Question 67

Trip hammers hare high speed hammering tools used to shape metals such as sharpening of bucket and ripper teeth. Can they also be used to bend bar stock for dishing plate materials?

Answer 67

Yes, a trip hammer can be used for sharpening of bucket and ripper teeth and to bend bar stock for dishing plate materials.

Question 68

what is another name for a notcher on an iron worker

Answer 68

nibbler

Question 69

What must you do when using a cut off saw with L shapes (angle iron) a) clamp the L shape so that one vertical leg is against the stationary block of the clamping device with the other leg lies on the tool base b) clamp the L shape so that one horizontal leg is against the stationary block of the clamping device with the other leg lies on the tool base c) clamp the L shape so that both legs are flat against the base

Answer 69

a) clamp the L shape so that one vertical leg is against the stationary block of the clamping device with the other leg lies on the tool base

Question 70

What is the max angle that a horizontal band saw can be adjusted to make a mitre cut? a) 25° b) 45° c) 55° d) 65°

Answer 70

b) 45°

Question 71

What is another name for a manual positioner?

Answer 71

spinner

Question 72

The benefit of using a power positioner a) higher accuracy of cuts b) increased production c) less operator errors d) less clean up

Answer 72

b) increased production

Question 73

What are turning rolls used for? a) rolling plate to allow welding into cylinders b) rolling plate flat with heavy rollers dc large vessels are rotated for welding

Answer 73

a) rolling plate to allow welding into cylinders