Mechanical Technologist Grade 1 Study Material, Exams of Mechanical Engineering

Mechanical Technologist Grade 1 Study Material

Typology: Exams

2024/2025

Available from 08/07/2025

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Mechanical Technologist Grade 1 Study
Material
1.Why would you not paint a wooden ladder OSHA yellow?: The Color can hide cracks in the wood
2.What is the part of a file that you put a handle on?: The Tang
3.What are the formulas for a rectangle and circle?: LxW=A 3.14xR2
4.How many gallons of paint would it take to cover 4 walls?: Find the square footage of all walls, and divide by
the square footage of paint in the bucket
5.Does a micrometer wrench; Light
Click
slip
until it reaches its place on the dial?: Clicks
6.What tool is used to measure the pitch on a screw?: Thread Gauge
7.What type of metal is used for steam?: Galvanized Steel
8.What is the most important thing to have when threading pipe?: Cutting Fluid/Cutting Oil
9.What happens when you reverse two wires in a 3 phase motor?: The motor reverses direction
10.How would you find the surface area of a clarifier?: 3.14xr2
11.What does GOW stand for on a valve?: Gas Oil Water
12.What is galvanized Steel coated with?: Zinc
13.What does a pin in a chain represent?: To be able to measure the pitch in the chain
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Mechanical Technologist Grade 1 Study

Material

1.Why would you not paint a wooden ladder OSHA yellow?: The Color can hide cracks in the wood

2.What is the part of a file that you put a handle on?: The Tang

3.What are the formulas for a rectangle and circle?: LxW=A 3.14xR

4.How many gallons of paint would it take to cover 4 walls?: Find the square footage of all walls, and divide by

the square footage of paint in the bucket

5.Does a micrometer wrench; Light

Click slip until it reaches its place on the dial?: Clicks

6.What tool is used to measure the pitch on a screw?: Thread Gauge

7.What type of metal is used for steam?: Galvanized Steel

8.What is the most important thing to have when threading pipe?: Cutting Fluid/Cutting Oil

9.What happens when you reverse two wires in a 3 phase motor?: The motor reverses direction

10.How would you find the surface area of a clarifier?: 3.14xr

11.What does GOW stand for on a valve?: Gas Oil Water

12.What is galvanized Steel coated with?: Zinc

13.What does a pin in a chain represent?: To be able to measure the pitch in the chain

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14.What do you do before entering a manhole?: Check for deadly as before you remove the manhole cover

16.What kind of valvle is a 1/4 turn valve?: Ball Valve

17.What kind of fire extinguisher is rated for an electrical fire?: Type "C" extinguisher

18.What does not affect a pumps lifespan?: Seepage

19.What kind of connection requires a gasket?: Any pressurized connection

20.What is a carbon scrubber used for?: To remove odors

21.What kind of software is used for shop management?: CMMS

22.What is the first thing you do when diagnosing an electrical motor?: Ask the Operator Maintainer for

permission

23.What are Volts, Amps, and Ohms?: Volts; Electromotive Force/Pressure E Amps; Current or Flow I

Ohms; Resistance R

24.How do you select a proper grinder wheel?: By the size and strength needed

25.When and why do you honk the horn on a forklift?: At a blind intersection and/or corners

26.Who would yell stop to a crane operator when lifting a load?: Normally a spotter, but in case of emergency

anyone can yell stop.

27.What does SDS stand for?: Safety Data Sheet

28.What is fishtape used for?: Running wire through Walls or conduit

29.In terms of piping, what does the term "Shedule" mean?: Thickness of pipe wall

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48.What is the most common cause of on the job injuries?: Poor Housekeeping

49.What is the line that goes to the center of a circle?: The Radius

50.What is the specific Gravity of a fully charged battery?: 1.

51.A 3/8 bolt needs what size nut?: 5/

52.When installing a new belt what is the maximum height a belt shouls sit from the top of the pulley?: 1/

of an inch. at 1/32in its time to replace the belt

53.Radial runout is , and Axial runout is ?: Eccentricity and Wobble

54.What is a characteristic of a punch or chisel that could be dangerous?: A mushroomed head

55.What is the main cause of boiler failure?: Overpressurized/ Overheating

56.What is the psi per foot of head pressure?: 2.

57.What is the order for tapping a new thread?: Taper Plug

Bottom

58.Why would you use a rubber mallet as opposed to a regular hammer or sledge?: Not to damage what you

are striking

59.What is the device used to properly heat a bearing?: Inductive Heater

60.What is the proper tool to install a bearing on a shaft?: A press

61.What causes Iron to rust?: Moisture/Oxidation

62.What is the minimum Oxygen level for safe air quality?: 19.5%

63.What is corrosive to concrete and metal?: H2S Hydrogen Sulfide

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64.What is not considered a confined space characteristic?: an open area with proper ventilation

65.When Conducting a confined space entry you must test the atmosphere prior to opening, at entry, after

opening and every how many minutes until confined space entry is ended?: 20 minutes

66.The best place to find out what personal protective gear is necessary when working with a chemical is?: SDS

Safety Data Sheet

67.When rigging a piece of equipment that requires a sling, what type of sling gives the highest safe load

rating?: a U-Sling

68.When using a micrometer, the part of the micrometer that you grip and turn to adjust it on is called?: The

Thimble

69.This type of screwdriver is very useful in starting screws in hard to reach places: Split tip

70.What is the definition on plumb?: Horizontal Trueness

71.What decimal prefix express 1/1000: Milli

72.A pump needs to be repacked when?: the packing is more than one year old

73.The type of gear referred to as the basic gear, having straight teeth that are parallel to the bore is called

what?: a Spur gear

74.when you need to seal a shaft of a pump so that practically no leakage occurs, you would use?: a

Mechanical seal

75.Ohm's Law states: E = I x R

76.A fence is to be installed around a lift station where each side lengths are; 235

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89.What is considered important when communicating with the public via telephone?: Courtesy

90.What would be considered important when communicating with the public in person?: Appearance and

attitude

91.If you have been given written instructions that you do not understand, what should you do?: Ask the

Author