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Safety and Materials > Hand and Power Tool > Flashcards

Hand and Power Tool Flashcards

1
Q

how many strokes per minute should be used with a hacksaw

A

40 to 50

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2
Q

who can remove a lockout device or tag

A

worker who installed it, in an emergency, competent worker

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3
Q

Pipe and similar wrenches are adjusted by the use of a?

A

Thumbscrew

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4
Q

Two types of hacksaw blades are?

A

all-hard, flexible back

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5
Q

if the drill you are using has a powerful motor what must you do before using the drill?

A

be position and anchored to minimize risk of losing control of the drill

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6
Q

three rules of tool maintenance are

A

clean, oil, replace

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7
Q

7” grinding wheel in a bench grinder with a wheel speed of 3450 rmp will have an approximate surface travel speed of?

A

120 km per hour

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8
Q

what test should be preformed prior to installing new disc on a grinder

A

tap it with a screw driver, if it pings its good. If it clunks, its junks

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9
Q

cold chisels are tempered for approximately 20 mm (3/4”) from the?

A

cutting edge

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10
Q

hex keys are used to tighten and adjust?

A

set screws or cap screws

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11
Q

what should you do if you jam a set of snap cutters

A

turn adjust screw and untighten

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12
Q

when installing piping with pipe wrench you should always try to do what

A

pull towards you when possible

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13
Q

when your pipe wrench isnt gripping the pipe what do you do

A

clean pipe wrench teeth with a wire brush

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14
Q

under the safe procedures for grinding a chisel, you are told to

A

always grind on the face of the wheel and wear safety glasses at all times

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15
Q

why should you check the rpm rating of grinder disk

A

to ensure the disk has rpm rating higher than the grinder to prevent disks bursting

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16
Q

rules of thumb for pipe wrenches are _________ for NPS

A

3/4 and smaller 10” pipe wrench
1”-1 1/4” use 14” pipe wrench
1 1/2-2” use 18” pipe wrench

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17
Q

tin snips most likely found in your toolbox are?

A

aircraft type snips

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18
Q

portable hand drills are rated by

A

their chuck size

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19
Q

main parts of a drill

A

shank, body, the point

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20
Q

what wrench would you choose when installing a valve on a pipe project

A

hex wrenches, spud wrench, open end adjustable wrench

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21
Q

never use a screwdriver as a

A

chisel, punch, scraper or pry bar

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22
Q

what size screws can a red handled Robertson (#2) screwdriver be used for

A

8,9,10

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23
Q

what must you remeber when choosing to use a drop head die to thread pipe by hand or machine

A

each size of pipe has its own drop head

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24
Q

MJ torque wrench exerts a torque pressure of what on a 5/16 MJ clamp

A

60 inches-pound

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25
Q

what type of reamer is used by hand and power vice

A

spiral fluted for hand, blade and straight fluted for power vice

26
Q

most commonly used screws in pipe trades are the ________ and the _________

A

ordinary slotted, Robertson screwdriver

27
Q

the biggest advantage in using a multi-wheel pipe cutter is that it?

A

allows for the cutting of the pipe in tight corners where a 360 sweep of the cutter is not possible

28
Q

portable pipe freezing equipment is designed to freeze?

A

stationary water only in selected sections of piping

29
Q

how can you avoid spiraling when cutting pipe

A

make a light track all the way around before you tghten the cutting wheel

30
Q

how many teeth would a hacksaw blade have to cut type M copper

A

32 theeth per inches

31
Q

what is used to decide the size of a cold chissel

A

width of the cutting edge and the length of the tool used

32
Q

the wide rollers found on a pipe cutter help prevent?

A

cutter wheel from spiraling

33
Q

Reaming of pipe is a requirement of the

A

plumbing, gas and ASME piping codes

34
Q

how is the rating of a hammer described

A

weight of the head with out the handle

35
Q

Hex keys are available in what sizes?

A

Metric and Imperial

36
Q

hook and tang on a measuring tape is lose for

A

inside measurments by allowing the hook or tang thickness

37
Q

Pipe wrenches use________ to produce gripping action ?

A

pressure points/two points of contact

38
Q

what pipe size will a 65-R thread

A

1/8-2” pipe

39
Q

what oil should be used on your tools

A

machine/motor oil only, not cutting oil

40
Q

most common weight of a claw hammer

A

16 oz

41
Q

most pliers exert pressure on the grasping end through a version of what?

A

first-class lever

42
Q

mushroom shaped chisel should be

A

grounded away to prevent flying splinters that pose a personal hazard

43
Q

on a bench grinder the work rest should be within

A

1/16” of the wheel periphery with a maximum of 1/8” before adjusting

44
Q

the point of the file is where handle is attached

T/F

A

False, point is the tip of the file end, tang is the part of the file that goes into the handle

45
Q

files are classified by

A

length, size and cut

46
Q

teeth of hacksaw blade face?

A

forward for forward push stroke

47
Q

for general purpose work what is the proper cutting angle foer a cold chisel

A

25 dergrees

48
Q

whetting angle for a wood chisel is

A

35* angle

49
Q

what is a strap wrench used for

A

tighten polished and finishes with out draining

50
Q

how is pipe measured

A

NPS

51
Q

shear cutting may be accomplished on

A

mild steel up to 1/8” thick

52
Q

soil pipe cutter s aree designed to?

A

cut cast iron pipe only

53
Q

to drill a hole in a stainless steal countertop sink what 2 things should you remember

A

use a titanium drill alloy drill bit

drill at low speed

54
Q

hole saws are used when the?

A

size of the hole to be drilled ia larger than the largest practical twist drill size

55
Q

NPT stands for

A

National Pipe Thread

56
Q

what three designs do pipe wrench come in

A

straight, offset, end

57
Q

what sizes are pipe wrenches available in and made of

A

6”-60”

aluminum and steel

58
Q

2 types of wrenches to use on finish fittings

A 
hex wrench (good for six side objects)
Spud wrench (grip flat sided objects)
59
Q

adjustable wrenches are used to grip

A

odd size nuts and bolts

60
Q

Chain wrenches are used on

A

polished or special finished surface

Uses nylon web for griping the surface, slips lots. Be careful

61
Q

tube benders are used to

A

bend only one size of copper, stainless and aluminum tube
spring&lever (soft tube)
geared ratchet (hard tube)

Safety and Materials (3 decks)

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