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MNTN231 > Quizes > Flashcards

Quizes Flashcards

1
Q

Which describes the thread of a bolt extractor?

A

Spiral anti-clockwise

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2
Q

For which tool used in the shop, and covered under power tools in this course, must a full face shield be worn?

A

Grinder

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3
Q

Which heating equipment keeps the temperature the lowest while joining materials?

A

electronic soldering iron

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4
Q

Which safety rule does not apply when working with a drill press?

A

Always use oil

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5
Q

What does the number 22 mean on the jaws of a wire stripper?

A

The gauge of the wire to be stripped

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6
Q

When a mushroom head forms on a cold chisel, why must you grind it off?

A

It prevents small pieces of the struck end from flying through the air

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7
Q

What are the correct number of contact points between the jaws of a pipe wrench and a pipe?

A

2

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8
Q

What is the correct gap between the grinding wheel and the tool rest?

A

1.5 mm

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9
Q

Which screw driver would you select if the screw you want turn has a square depression in the head?

A

Robertson

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10
Q

A metal file should never be used without which part?

A

Handle

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11
Q

Ball Peen and Soft Metal are types of:

A

Hammers

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12
Q

A length of tube needs to be reamed. Which tool was used just prior to this?

A

Roll cutter

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13
Q

When filing, what is the most likely the cause of scratches on the work piece?

A

Clogged teeth

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14
Q

ASME B16.5 covers flange fittings made of cast or forged materials?

A

True

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15
Q

Flanges with a rating class of 300 are covered by ASME B16.5?

A

True

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16
Q

ASME B16.5 includes recommendations regarding flange bolting?

A

True

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17
Q

ASME B16.5 relates to instrumentation technicians because the instruments may have flanged fittings which allow them to fit into process piping and it is essential that the entire piping system remains safe?

A

True

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18
Q

A turbine meter installed with a threaded connection is easier to replace than a meter with a flanged connection in a piping system?

A

False

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19
Q

What type of flange has holes drilled in the flange rims?

A

Lap Joint

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20
Q

What type of flange is used where welding is not practical?

A

Screwed

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21
Q

What type of flange is easy to tell if the process has been blanked off?

A

Spectacle

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22
Q

What type of flange is a solid plate?

A

Blind

23
Q

What type of flange is the pipe inserted until it shoulders out for welding?

A

Weld Neck

24
Q

What type of flange does not touch the process?

A

Lap Joint

25
Q

What type of flange allows for easy positioning for welding?

A

Socket Weld

26
Q

What type of gasket design has v grooves machined into the face?

A

Serrated

27
Q

_____ has a liberal tolerance for wall thickness.

A

Pipe

28
Q

_____ has a tighter tolerance for wall thickness.

A

Tube

29
Q

The outside diameter of _____ is the actual OD

A

Tube

30
Q

Tubing provides a simplified free flow system?

A

True

31
Q

Tubing has more potential leak points than piping?

A

False

32
Q

Tubing requires fewer fittings and is easier to install than piping?

A

True

33
Q

Drain Waste Vent is used for high pressure applications?

A

False

34
Q

Cooper tube Type M is printed in?

A

Red

35
Q

Cooper tube Type L is printed in?

A

Blue

36
Q

Cooper tube Type K is printed in?

A

Green

37
Q

A maintenance worker is replacing some copper pipe. They notice green lettering on the old pipe. What is the wall thickness of the pipe they should be using?

A

0.049”

38
Q

A maintenance worker is replacing some copper pipe. They need to buy some new fittings. They grab a tape measure and it looks like the OD is just less than an inch. What size of fittings should they order?

A

0.750”

39
Q

Annealing makes the copper tube difficult to bend?

A

False

40
Q

The tubing being used in the SAIT shop is likely following which standard?

A

ASTM A269

41
Q

Plastic tubing is great for high temperature and pressure applications because it has such a low cost?

A

false

42
Q

Plastic tubing fails to meet the material specifications for use in instrument air lines.

A

False

43
Q

If you a bend 0.25” tube 90 degrees what is the approximate amount of gain you can expect?

A

0.25”

44
Q

Find the time it takes for a molecule to travel the length of a 20 m tube when the liquid flow rate is 800 cm3 / min. The tubing has an OD of 12.7 mm and a wall thickness of 1.25 mm

A

2.0 min

45
Q

The actuator provides the power to position the valve plug correctly within the body to control the flow of energy as required by the process conditions?

A

True

46
Q

Fail Open Describes a condition where the valve plug moves to the

A

open position

47
Q

Fail closed Describes a condition where the valve plug moves to the

A

closed position

48
Q

If an actuator is Direct-acting and the valve is Direct-acting what is the final result?

A

Air-to-Open

Fail open

49
Q

If an actuator is Reverse-acting and the valve is Direct-acting what is the final result?

A

Air-to-Open

Fail Closed

50
Q

If an actuator is Direct-acting and the valve is Reverse-acting what is the final result?

A

Air-to-Open

Fail Closed

51
Q

A direct acting valve with a direct acting actuator fails open.

A

True

52
Q

Using a positioner increases the response time of a valve?

A

True

53
Q

A positioner can be used to change the action of your valve without changing your actuator or valve trim?

A

True

MNTN231 (3 decks)

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