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MNTN231 > Practice final > Flashcards

Practice final Flashcards

1
Q

In areas where there is not enough vertical space to use a screwdriver with a straight shank, an offset screwdriver can be used.

A

True

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2
Q

Teflon V-ring packing does not require a valve seal lubricant.

A

True

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3
Q

Most files are made from carbon steel, which is heat-treated after stamping.

A

True

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4
Q

Tang - that part of a file to which the handle is attached.

A

True

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5
Q

When filing a speed of 30 to 40 cutting strokes per minute is recommended.

A

True

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6
Q

A filing method that produces a smooth finish with a high degree of flatness is called draw filing.

A

True

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7
Q

Wrenches for an Allen head set screw are hexagonal.

A

true

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8
Q

When using a chisel the cutting force should always be directed toward the moveable jaw of the vise.

A

False

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9
Q

When striking a chisel, watch the chisel head and not the cutting edge.

A

True

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10
Q

Copper expands 1.4 times more than steel, when heated.

A

True

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11
Q

Copper is an extremely poor conductor of heat.

A

False

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12
Q

Copper tubing is specified by its OD (outside diameter.)

A

True

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13
Q

Material that is to be soldered should be cleaned first to remove oxide deposits.

A

True

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14
Q

The ratchet stop, which is provided on most micrometers, is there to stop damage to the micrometer.

A

True

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15
Q

NC Bolts and NF Bolts can be the same diameter.

A

True

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16
Q

When control air pressure is applied to the diaphragm of a flow control valve, the pressure at which the valve stem begins to move can be changed by varying the tension on the spring.

A

True

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17
Q

In an emergency a micrometer may be used as a clamp.

A

False

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18
Q

Valve stem packing: Teflon requires an extremely smooth valve stem finish.

A

True

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19
Q

Of the common packing materials Teflon V-ring packing presents the least friction.

A

True

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20
Q

Top quality tools are made of alloy steel and are carefully heat treated.

A

True

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21
Q

Fine cut files are best for soft metals.

A

FALSE

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22
Q

Coarse cut files are best for steels.

A

False

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23
Q

Dies are used to cut NC (National Coarse) threads only.

A

False

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24
Q

Taper, plug, bottoming and pipe all refer to thread dies.

A

False

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25
Q

Taps and dies are very brittle.

A

True

26
Q

A hacksaw, with an 18 tooth blade, would be used to cut thin metal.

A

False

27
Q

Slip joint pliers are used to turn nuts, bolts or tubing fittings.

A

False

28
Q

Open-end wrench grasps the nut only on two (2) flats.

A

True

29
Q

Carbon steel twist drills lose their temper if severely overheated.

A

true

30
Q

When using a gasket cutter to cut a circular gasket, the inside cut is made first?

A

False

31
Q

Schedule 80 pipe has a smaller ID than schedule 40 pipe.

A

True

32
Q

Schedule 80 pipe has a larger OD than schedule 40 pipe.

A

False

33
Q

You can still continue to work when your permit has expired as long as it’s the same day.

A

False

34
Q

Flux residue can cause corrosion problems?

A

True

35
Q

Galvanic corrosion occurs when two dissimilar materials are coupled in a corrosive electrolyte.

A

True

36
Q

When you tighten a joint, the number of turns by hand should be more than the number of turns using a wrench.

A

True

37
Q

Pressure instrument installations work the best in Tees, Elbows, and Bends facing the flow.

A

False

38
Q 
Packing has to be replaced periodically because:
A) it deteriorates
B) it has been compressed and dried
C) it may no longer provide a tight seal
D) all the above
A

D) all the above

39
Q 
Valve packing:
A) is used only in hazardous process
B) is always a rope type
C) cannot be made of Teflon
D) reduces leakage around the valve stem
A

D) reduces leakage around the valve stem

40
Q

The part of the file that actually does the cutting is called:

A

Face

41
Q

The name of the file cuts from most coarse to finer are:

A

Rough, coarse, bastard

42
Q

What are the three purposes of WHMIS?

A

Labels

MSDS Sheets

Worker Education

43
Q

When taping a hole (blind) that does not go through the metal, the proper steps to tap it are?

A

Tapered, plug, bottom

44
Q

Capillary action is designed to do what when soldering?

A

Draw the solder into the joints

45
Q

What type of solder is used in electronic soldering?

A

Rosin

46
Q

What power of soldering iron is used for electronic soldering?

A

20-50 Watts

47
Q

Halon is:

A

A fire extuisher type

48
Q

Why does the Nozzle on a C02 fire extinguisher get cold after use?

A

A gas cools upon expansion. This is known as the Joules Thomson effect.

49
Q

What is the cutting speed?

A

the speed at the margin of the drill bit

50
Q

What is the spindle speed?

A

the speed you set the drill press

51
Q

What is the feed rate of a drill?

A

the rate the drill is fed into the work

52
Q

What is the biggest gap a work rest on a grinder should ever have?

A

3mm?? says 1.5mm in another quiz

53
Q

When doing a U Bend in long tubing lines to allow for expansion and contraction on horizontal lines

A

The U should face upward for gas service and downward for liquid service

54
Q

A Robertson screwdriver has colored handles indicating size. List the four colors ranging from smallest to’ largest

A

Black
red
Green
yellow

55
Q

Is tubing sizes OD or ID”

A

OD

56
Q

If you don’t have a proper tubing cutter, and you are “forced” to cut tubing with a hacksaw, and you had all 4 blades described below, which would be your best choice?

A

32

57
Q

What is tinning?

A

Adding solder to the tip of a piece of wire or the soldering tip

58
Q

In a workplace accident, who other than the injured person, is impacted?

A

A) The injured workers family

B) Other workers at the work site

59
Q

Who is responsible for workplace safety

A

A) The employer
B) The company safety representative
C) You

60
Q

What is the BEST way to mitigate hazards on a job site

A

Engineering Controls

MNTN231 (3 decks)

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