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Industrial Mechanic (Millwright) > Sample Millwright Test 1 > Flashcards

Sample Millwright Test 1 Flashcards

1
Q

The Underwriters Laboratories of Canada defines a specific fire size and fuel type for each class of fire. True or false

A

True

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2
Q

The vernier height gauge is the most common precision layout tool. True or false

A

True

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3
Q

A dressing is used to compensate for uneven surfaces on the side of a grinding wheel. True or false

A

False

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4
Q

Soluble oils often have extreme pressure lubricants. True or false

A

False

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5
Q

The engine lathe is the least common of the lathe machine types. True or false.

A

False

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6
Q

Conventional milling must be used whenever there is a backlash eliminator in the milling machine table. True or false

A

False

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7
Q

Which of the following is a Class-C classification under WHMIS?

A

Oxidizing material

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8
Q

A welding curtain placed around a piece of equipment that is going to be welded should be located at least ____ centimeters above the floor to allow for good airflow.

A

20

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9
Q

Carbon dioxide extinguishers are generally ____ and have a larger nozzle.

A

red

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10
Q

If you are cutting within ______ inches from a sprinkler it should be shielded.

A

48

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11
Q

Which of the following is a Class-E classification under WHMIS?

A

Corrosive material

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12
Q

The following minimum and maximum readings were taken from a piece of equipment; 1.995” and 2.005”. The unilateral tolerance would be:

A

0.010”

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13
Q

Given the Tolerance Zone Symbol of “50 f 7” the “f” represents the:

A

fundamental deviation for external dimension

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14
Q

Dial indicators should be loaded to 1/8 to ____ of a turn before use.

A

1/4 inch

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15
Q

Place the following steps in the correct order to achieve proper use of a micrometer.

  1. close the micrometer on the workpiece with proper pressure
  2. check the micrometer for zero setting
  3. align the micrometer correctly with the workpiece
  4. clean the measuring faces
A
  1. clean the measuring faces
  2. check the micrometer for zero setting
  3. align the micrometer correctly with the workpiece
  4. close the micrometer on the workpiece with proper pressure
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16
Q

Which dial test indicator has a spindle that is mounted 90 degrees to the dial face?

A

back plunger

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17
Q

The number located above the fraction line is called the:

A

denominator

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18
Q

A cut-off saw has a fixed jaw that can be adjusted up to an angle of _____ degrees.

A

45°

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19
Q

Using the ISO metric thread form a bolt has the following designation: M8x1.5 - 6G. The 1.5 on the above designations represents the:

A

pitch

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20
Q

A prick punch has its point angle ground between ____ degrees.

A

30° to 60°

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21
Q

When referring to a power hacksaw blade the term blade width refer to the:

A

Distance from the tip of the tooth t the back of the blade.

22
Q

Using the ISO metric thread form a bolt has the following designation: M8x1.5 - 6G. The M on the above designation represents the:

A

metric designator

23
Q

Using the Unified Thread Series which Thread Series would best be suitable for an application where the volt length is very short and will be used in thin wall tubing?

A

Extra-fine

24
Q

The type of abrasive grit used on an abrasive cut-off saw that is cutting non-ferrous material would be:

A

Silicon carbide

25
Q

Threaded coil inserts are made of:

A

Stainless steel

26
Q

A ____ washer is used in gas-tight joint such as compressor housing.

A

Belleville

27
Q

The size rating of a bench vise is determined by its:

A

Jaw width

28
Q

Which part of the welding unit on a band saw needs to be held until the annealing is over?

A

Welding switch

29
Q

Bench grinders should have wheel guards that cover at least ______ of the wheel.

A

2/3

30
Q

A fastener highest recommended tensile load is called:

A

Proof load

31
Q

Using the imperial thread form a bolt has the following designation: 3/8 - 16 UNC x 1 1/4
The “3/8” on the above designation represents the:

A

Nominal size of thread

32
Q

The inclined angle of contact between the internal threads of a nut and the external threads of a bolt are ____ degrees.

A

30

33
Q

The tapering on a plug tap is approximately ___ threads.

A

3

34
Q

What is a remedy for a broken or split web on a drill?

A

Grind more clearance.

35
Q

Which drill is used for deep holes in softer metals like copper and zinc?

A

High helix drills

36
Q

When climb milling the workpiece feeds ____ the rotation of the cutter.

A

with

37
Q

What allows the millwright to select whether the carriage or cross slide moves under power when the automatic feed lever is engaged?

A

Feed change lever

38
Q

Describe countersinking

A

Process of cutting a bevel at the top of the hole so the hole can accept the head of flat screw

39
Q

On a milling machine what is the function of the longitudinal travers handle?

A

Moves the saddle toward or away from the column.

40
Q

Describe forming tool

A

Used to cut intricate cylindrical profiles

41
Q

Simple cut but weakens the shaft by creating a stress?

A

Square shoulder

42
Q

When climb milling, the _____ end of the chip is at the beginning of the cut.

A

thick

43
Q

What is the size of the large diameter of a taper when TR=1:30, d=60mm and TL=60mm?

A

62mm

44
Q

The feed rate for a roughing cut should be _____ as the cutting tool and the machine can handle.

A

high

45
Q

On a lathe what does the term “backlash” refer to?

A

The space between meshing gears

46
Q

Describe cast alloy as a cutting material

A

Retain their hardness to a very high temperature also known as stellite

47
Q

What is the process called where a raised pattern is pressed onto a surface?

A

Etching

48
Q

Describe Jacobs Taper adapter

A

Fits a drill chuck to the spindle of a milling machine

49
Q

When do you engage the split nut to achieve odd number of threads per inch, using a thread chasing dial on an imperial lathe?

A

Any main graduation

50
Q

Cutting fluids must be able to resist temperatures in excess of _____ degrees Celsius.

A

600

51
Q

Bearing life on a machine will decrease dramatically is misalignment exceeds _____ inch per inch of coupling length.

A

0.002

Industrial Mechanic (Millwright) (11 decks)

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