Timed, 2 hours more than 70% correct answer, try to do it because you are a Number One in our Millwright team PART 2-

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Question Book of Training Manual for Industrial  Mechanics --Millwright--

Part 2-

APRIL 17, 2022 FROM AZVR MECHANICAL UNIVERSE

Timed, 2 hours more than 70% correct answer, try to do it because you are a Number One in our Millwright team

Key  Words:( have to recite and understand them) 

Simulation Questions & Answers: Trade Science, Engineering Safety, Blueprint/ Technical Drawing, and Shop Tool Practices

1. what is the nominal included point angle of a standard countersink:

(a) 118 degrees

(b) 90 degrees

(c) 82 degrees

(d) 30 degrees

2. A ladder is placed up against a factory wall. The wall is 32 feet high. How far away from the base of the wall should the ladder be:

(a)12 feet

(b) 6 feet

(c) 8 feet

(d) 10 feet

3. When using a cold chisel, the cutting edge shatters. What does this indicate the chisel needs:

(a) Sharpening

(b) Hardening

(c) Tempering

(d) Softening

(4) which tap would you use to start cutting a thread in a piece of metal:

(a) center tap

(b)plug tap

(c) taper tap

(d) Bottom tap

(5) what thread series is most likely to be used for anchor bolts:

(a) Acme

(b) Buttress

(c) National Fine(NF)

(d) National Coarse（NC)/Unified Screw Thread (UNC)

(6) External THREADS ARE CUT WITH A :

(a)T-handle tap wrench

(b)Vice Grip

(c) Die Stock

(d) Vice

(7) What component of the fuel material, which is exposed to oxygen, has a critical bearing on whether a fire will start and the speed at which it will burn:

(a) Atomic Structure

(b) Density

(c) Heat

(d) Volume

(8) When tapping a hole, you reverse the tap every few turns. This is to:

(a) Make the job last till coffee.

(b) Break the chips and clear the flutes.

(c) Stop the tap from heating up too much

(d) Re-form the part you just cross-threaded

(9) The Acme thread is mainly used in adjusting screws on machines such as lathes etc. The thread angle for an Acme thread is :

(a) 60 degrees

(b) 90 degrees

(c)29 degrees

(d) 118 degrees

(10) Dowel pins are used to:

(a) Prevent nuts from turning

(b) Break under overload conditions

(c) Act as location devices

(d) Eliminate the need for bolts

(11) On a chain drive unit, the driver sprocket has 48 teeth. The driven sprocket has 15 teeth. If the driver turns at 150 rpm, how fast is the driven sprocket turning:

(a)480rpm

(b)1000rpm

(c)1600rpm

(d)743rpm

(12) An 8” pulley, turning at 120rpm drives a pulley that must turn at 150rpm. What diameter should the second pulley be:

(a) 4”

(b) 6.4”

(c)11.6”

(d) 8.2”

（13）How is a hand reamer removed from a finished hole:

(a) Rotate clockwise all the way through

(b) Rotate anti-clockwise all the way through

(c) Rotate opposite way and pull out

(d) Rotate the same way and pull out

(14) You drill a hole with a 1/2” diameter drill. The hole turns out to be 17/32” in diameter. What is most likely to be wrong:

(a) Included angle is incorrect

(b) Lip relief angle is wrong

(c) Unequal lip length

(d) Helix angle is incorrect

(15) What kind of Mask would you use to protect your lungs from toxic fumes and gases:

(a) Goggles and Face Shield unit

(b) Half Mast Respirator

(c) Fine filter Dust Mask

(d) Full-Facepiece Respirator

(16) you have to drill a 1” diameter hole in mild steel. With a cutting speed of 75 feet per minute, what RPM do you set on the drill press:

(a) 200

(b) 30

(c) 1760

(d) 300

(17) The normal/most common point angle for a twist drill is

(a) 82 degree

(b) 116 degree

(c) 118 degree

(d) 96 degree

(18) What sort of extinguisher should be used on oil or grease fires:

(a) Water or Water Solution (Type A)

(b) Dry Chemical, foam, or CO2 (Type B)

(c) Dry Chemical rated for Class C

(d) Dry Chemical rated for class D

(19) You extinguish the fire. In the subsequent investigation, where would you place the prime responsibility for the incident:

(a) Your co-worker, for leaving magnesium alloy lying around

(b) Your foreman, for not insisting on better housekeeping

(c) You, for not clearing the work area before cutting

(d) None of the above, this is an Act of God

(20) A fire starts in the shop when you are cutting off a broken bracket. Your company manufactures magnesium alloy wheel rims. One of your co-workers has left three on the bench beside the fire. What type of extinguisher sho ul you look for :

(a) A

(b) B

(c) C

(d) D

21. What are the common sources of fire at the workplace?

a. Improper welding precautions and poor electrical installation

b. “Friction”

c. People ignoring “No smoking” signs and warnings alike

d. All the above

22. While working in a confined space, which must not be done?

a. The confined space must be isolated from the outside such external power off

b. Workers must inspect the location for entry and exit points for equipment used

c. Workers trained in emergency response can work in confined space

d. Place working equipment as close to workers in the space blocking entrance

23. Fire extinguishers are found in

a. The car

b. Areas protected by sprinklers systems

c. The office area, home

d. All the above

24. What do the Capital  Letter A and triangle represent?

a. Fires involving electrical equipment

b. Fires involving flammable vapors

c. Fires involving ordinary combustibles

d. Fires involving certain combustible metals

25. Before any work on a machine is done, what must you look out for first?

a. If the machine is a lockout and tagged

b. Conditions around the Area around

c. Loose Electrical wires

d. If a machine is power dead ( that is, all systems are not working)

26. In maintenance for a turbine engine, gas engine, and some machines, etc.

a. All maintenance and repairs must be recorded

b. Only major overhauls are documented

c. The production Manager must keep all machine records

d. Purchases are updated whenever it is possible

27. Generally when you need a file, what file feature is important:

a. 1” file or 1/2” file or a 6” long file—by length

b. Coarse file or Bastard file, and a fine file, single or double cut file or rasp file—by grade

c. Regular 1/2” file or 1” file—by size

d. 1/2 round file, square file, or Triangular file—by shape

28. Common abrasives used in stone

a. diamonds, silicon, iron filings, and aluminum

b. Aluminum, silicon oxide, and iron filings

c. Diamonds, silicon carbide, and aluminum oxide

d. Only manganese oxide which is a harder material than metal

29. A Scrapper is a hand tool for:

a. It is a light and soft stone

b. it is used to shape parts by removing specific amounts of material to shape

c. Removing less than 0.02mm(0.001”) surface material

d. It is not a scraping tool but it removes a small amount of material such as burrs

30. what does OHSA stand for?

a. It is a short form for Occupational Health and Safety Act

b. It is the short form of the Ontario Health and Safety Act.

c. It stands for Ontario Health and Safety Association and regulates work safely

d. It stands for an organization that imposes regulations in the workplace

31. What is the WHMIS symbol for Corrosive Substance?

a. Class-- a test tube pouring on a hand and a piece of metal

b. Class D-- a T and a dot below

c. Class C—A burning “zero” and water below

d. Class B-- A flame ans water below

32. What does the WCB symbol stand for?

a. It is a short form for Workers’ Company Business

b. It is the short form for Worker Corporation Board.

c. It stands for Workers’ Compensation Board

d. It stands for an organization that Workers’ Commissioner Board

33. if you are not familiar with a piece of gas turbine engine equipment, you should :

a. Try to do it according to your professional knowledge and experiences etc.

b. Leave it alone

c. talking about it with somebody who is not familiar with it and the same as you want to do it

d. just do it according to your professional knowledge and experiences \

34. how many Classes of fires?

a. A, B, C

b. A, B, C, and D

c. A, B, C, D, and E

d. A, B, C, D, E, and F

35. it is very important for workers need to be aware of the hazards associated with confined spaces and enclosed spaces. Strict adherence to :

a. testing procedures must be observed at all times

b. entry procedures must be observed at all times

c. exit procedures must be observed at all times

d. All the above

36. if you use a 5fu long pry bar to lift on the corner of a machine and the toe of the pry bar is 3”, what is the corner lifted if the force applied to lift is 150lbs. On the end of the bar?

a.3000lb

b. 6000lb

c. 4500 lb

d. 5000lb

37. lifting a load of 5 tons with a block and tackle that has MA OF 10, what is the pull on the lead line? 2000lb.=1 ton. (approx.)

a. 1000lb

b. 500lb

c. 50 lb.

d. None of the above. Its the block capacity

38. Mechanical Advantage:

a. Load /effort

b. Effort /load

c. Load capacity of block/effort

d. All the above

39. Safely is a whose concern?

a. worker

b. Management

c. Government

d. All of the above

40. Which of the following are for personnel safety consideration at job sites

a clothing

b. Hair and beard

c. Jewellery or watches

d. All the above

41. Consider which items are NOT for personnel protection

a. Head protections

b. Ear protections

c. Safety shoes

d. Sunglass

42. Safety glass must comply with which of the following:

a. WCB

b. CSA

c. OHSA

d. WHMIS

43. How high above the roof should a “resting” ladder lay?

a. 5ft

b.3ft

c. 2ft

d. 4ft

44. Where should the “D” ring of the safety harness rest?

a. Just above the backside/buttocks

b. Middle of the back

c. Below the neck between the shoulder

d. Anywhere comfortable

45. What are the three components in a fire that a fire extinguisher would separate to so stop the fire from growing bigger?

a. Carbon dioxide, oxygen, and fuel

b. Water, sunlight, and gas

c. Fuel, Oxygen, and heat

d. Carbon dioxide, material, and fire

46. One of the following methods can be used if a threaded hole is severely damaged:

a. Re-store the thread by using a Helicoil

b. Re-weld the hole, drill and tap it again

c. Enlarge the hole, drill and tap it anew

d. All the methods above are true. Methods can be used depending on different situations

47. How is steel parts stress relieved?

a. Parts are blasted by hot air

b. Parts are heated and then cooled slowly in sand or in the air in a closed furnace

c. Parts are heated and then cooled quickly in cold oil

d. All the above will do relieve stress

48. What is tool steel?

a. Steel with granules of carbon deposits within

b. Steel that is specially hardened

c. Steel that is used especially for making tools

d. Iron with greater than 0.6% of carbon

49. What percentage of carbon does medium carbon steel have?

a. 0.3~0.6

b. 0.1~0.3

c. 0.03~0.6

d. 0.02~0.08

50. What is Annealing?

a. Heating steel to just above its upper critical point and cool it in still air

b. Reheating hardened steel to a point below critical point followed by a rated cooling

c. Heating of steel above its lower critical point, followed by quenching in water/oil/ air

d. Heating of steel above its critical point, and allowing it to cool slowly in ashes, lime

51. What is Casehardening?

a. This is not a method it is a term referring to hardening the outer case of low carbon steel while leaving the center core soft and ductile

b. This is a heating method to change annealed to hardened steel

c. This is reheating steel to a point below the critical point followed by a rated cooling

d. This heating any steel part to red hot and then cooled

52. What are the properties of steel?

a. Tensile Strength.

b. Ductility.

c. Malleability and Durability.

d. All the above

53. What are the properties of pure metal?

a. Ductile- can be drawn into fine wire; Malleable- can be beaten into thin sheets without cracking.

c. Lustrous- becomes shiny when polished; High density, and High melting and boiling points.

d. All the above

54. Which steel cannot be hardened?

a. Alloy carbon steel

b. High carbon steel

c. Medium carbon steel

d. Low carbon steel

55. Which steel is used in Drill taps and reamers?

a. Alloy carbon steel

b. High carbon steel

c. Medium carbon steel

d. Low carbon steel

56. How is iron made?

a. By heating iron ore, coke, and limestone

b. By boiling iron ore, carbon(coke), and limestone

c. Only pure steel is produced from iron ore and burning coke and limestone

d. By burning iron ore, coke, and limestone with a blast of hot air

57. What is involved in the heat treatment of steel?

a. One which involves a change in steel’s surface through the absorption of carbon and nitrogen

b. One where there is no change in the composition of steel

c. A combination of both a & b

d. All the above describes heat treatment of steel

58. The type of iron produced by the above (Question 56) process is called:

a. Malleable castings

b. Chilled iron castings

c.Grey-iron castings

d. Pig iron

59. Heat can travel from one place to another in how many ways from the higher to the lower system. ?

a. four ways

b. three ways

c. two ways

d. One way

60 What is the legal document to order parts?

a. work order

b. purchasing order

c. Packing slip

d. Invoice

61. how would you clean the file

a. Knocking on wood

b. knocking on steel

c. Steel wire brush

d. Filecard

62. the prick punch is used to accurately mark a line or the center of intersecting lines. It is grounded with

a. 40 degrees to 80 degree

b. 50 degree to 70 degree

c. 30 degrees to 60 degree

d. 25 degrees to 50 degree

63. The center punch is used to define center marks for the hole to be drilled. It is ground with a

a. 70 degree

b. 80 degree

c. 90 degree

d. 60 degree

64. Reamers and end mills are dull or need sharpening :

a. in the shop

b. by a common millwright who has experience

c. that should be sent out for sharpening or replaced

d. All the above

65. The maximum amount of material to be left in a hole for hand reaming:

a. 0.003”

b.0.007”

c. 0.005”

d.0.006”

66. Adjustable reamers are primarily made as:

a. Machine reamers

b. Hand reamers

c. Both of them

d. all the above

67. Powder-actuated tools must be used in accordance with the :

a. Workers’ Compensation Act with manufacturer’s instruction manual

b. all workers using these tools must obtain a current Qualified Operator’s Certificate (QOC)

c. A QOC can only be obtained after the successful completion of a training program for the specific make and model of the tool to be used, from a qualified instructor from the manufacturer, etc.

d. All the above

68. Materials with pH values less than a. b. c. & d can be hazardous because of their corrosive nature?

a. 2 or more than 12

b. 2 or more than 11

c. 2 or more than 14

d. 2 or more than 13

ANSWERS WILL BE COMING SOON

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