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Pipefitting Term 1 > Use and Care of Tools > Flashcards

Use and Care of Tools Flashcards

1
Q

Eye and face protectors should be worn when using :

A

Chisels, punches and power tools

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2
Q

The type of material that should be worn for protection against heat, sparks, molten metal and welding radiation:

A

leather

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3
Q

Electrically operated power tools shall either be of the approved ___ type or properly ___

A

double-insulated + grounded

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4
Q

Only employees who have been __ in the operation of the particular tool in use shall be allowed to operate a powder-actuated tool

A

trained

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5
Q

A convenient tool for measuring the circumference of a pipe is

A

a tape rule

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6
Q

The accuracy of a level can be checked by placing it on a flat surface and noting the position of the ___

A

bubble

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7
Q

screw drivers are designed for

A

turning screws

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8
Q

Using a square-bladed screwdriver, it is found the screw cannot be turned. For further attempts to turn the screw it is recommended that

A

the screwdriver blade be turned with a wrench

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9
Q

The type of wrench best suited for the final tightening of a nut is

A

a box wrench if the amount of torque does not matter

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10
Q

a wrench designed for turning flare nuts of refrigeration tubing is called a ___ wrench

A

flare nut or split box

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11
Q

a machinists vice designed for holding tapered work is called

A

an adjustable jaw vise

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12
Q

a c-clamp should not be used without a

A

swivel

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13
Q

a machinists hammer that has one end of its head rounded into a ball shape is called a __ hammer

A

ball pein

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14
Q

a hammer with a head made of ___ metal should be used when working in an atmosphere containing flammable vapor

A

non-ferrous

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15
Q

Standard hacksaw blades are usually of the flexible type and are made of

A

carbon steel

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16
Q

A hand saw designed to cut across the grain of a piece of wood is called a ___ saw

A

crosscut

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17
Q

When a circular saw blade become pinched or twisted in a cut _ can occur

A

kickback

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18
Q

The four types of file teeth are:

A

single cut
double cut
rasp cut
curved tooth

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19
Q

A machinists flat file has a ___ cut teeth

A

double

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20
Q

For marking the location for drilling a hole, a ___ punch should be used

A

center

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21
Q

It is dangerous to use a cold chisel having a mushroomed head because

A

pieces of metal may fly off and cause injury

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22
Q

The type of wrench which should be used to turn a chrome-plate pipe is a __ wrench

A

strap

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23
Q

A chain wrench can be used to hold

A

round
square
hexagonal objects

24
Q

It is necessary to remove a length of pipe that is screwed into a tee, but the section of pipe cannot be loosened. 3 recommended methods for removing the pipe are:

A
  1. use a pipe wrench of the proper size
  2. hammer on the fitting using a backup hammer or other suitable object
  3. apply heat to the fitting
25
Q

When gripping a pipe with a pipe wrench, the wrench should be adjusted so that the pipe is

A

near the middle of the jaws

26
Q

Why should a pipe cutter be used to cut a pipe instead of a hacksaw

A

So you can get a square cut

27
Q

Which kind of wheel-type cutters is especially designed for use with power drives?

A

wide roll cutter

28
Q

If a pipe reamer does not cut properly it should be sharpened or the ___ replaced

A

cone

29
Q

The right-to-know law gives employees the right to learn about __ hazards in the workplace and how to work safely with these materials

A

chemical

30
Q

A ___ reamer should never be used with power-driven equipment

A

spiral

31
Q

Two methods of driving a geared threader are with the following:

A
  1. a ratchet handle

2. a power drive

32
Q

A three-way pipe threader has dies and ____ for three sizes of pipes

A

built in guides

33
Q

What are the two types of drop head ratchet threaders?

A
  1. exposed ratchet

2. enclosed ratchet

34
Q

The part inside of a threader required to provide die travel and a positive feed is called the

A

lead screw

35
Q

A ___ reamer must not be used with power operated pipe threading equipment

A

spiral

36
Q

When changing dies, the __ should be placed so that their numbers agree with the die slot numbers on the die head

A

chasers

37
Q

A pipe thread is cut to the proper length when the end of the pipe is __ with the edge of the dies

A

flush

38
Q

The foot switch on power operated equipment should be ___ when not in use

A

locked

39
Q

Two steps in annealing copper are

A
  1. heating

2. quenching

40
Q

After a tube is cut with a roller-type cutter, tools which could be used to remove the burr from the inside of the tube are:

A

file
deburring tool
reamer

41
Q

Flared fittings used in refrigeration, plumbing and some industrial work have their ends sloped at an angle of ___ degrees, while those used in aircraft and other industrial work have a __ degree angle

A

45

37

42
Q

Pipe which is to be butt-welded must have ___ end

A

beveled

43
Q

The most desirable tool for gripping plastic pipe is

A

strap wrench

44
Q

A __ wrench is used to tighten the bolts on a hubless coupling

A

torque

45
Q

Cutting oil should be used to cool the drill when drilling a metal made of

A

steel

46
Q

The __ on a portable electric drill allows continuous operation at maximum RPM

A

lock button

47
Q

Drilling holes in concrete with a rotary hammer requires the use of a __ tip drill bit

A

carbide

48
Q 
Name the screw threads abbreviations:
NC
NF
UNC
UNF
A

National Coarse
National Fine
Unified Coarse
Unified fine

49
Q

A tool used to cut external threads is called a

A

die

50
Q

To complete the threaded at the bottom of a blind hole, a tap called a __ tap should be used

A

bottoming

51
Q

Always use a ___ with grinding or cut-off wheels

A

Wheel guard

52
Q

Mittens with____ must be worn when handling cables on drain cleaning machines

A

rivets

53
Q

Cables on drain cleaning machines should be flushed with water after each use to prevent damaging effects of ____ compounds

A

drain cleaning

54
Q

An extension ladder is to be used by leaning it against a building wall. If the working length of the ladder is 24 feet, the proper distance to place the base of the ladder away from the building wall is __ feet

A

6

55
Q

MAterial lifts and hoists should not be used as elevators for handling personal because they do not have required __ features

A

safety

Pipefitting Term 1 (5 decks)

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