Fourth Year - Block A Occupational Skills Flashcards by Ming Huang

What are some of the items which we consider PPE (personal protective equipment)?

Breathing apparatus.

Earplugs[][][][][][][][][][]]

Gloves[][][][][][][][][][][][]]

Hardhat[][][][][][][][][][][]]

Safety glasses[][][][][]]

Special coveralls[][][]]

Steel toe boots[][][][]]

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What eye protection is required when using a chop saw?

Full face shield.

Safety glasses[]

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What are two types of hearing protection?

Earmuffs.

Earplugs.

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At what decibel level is hearing protection required?

85 decibels.

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How often are you required to change a hard hat?

Every 5 years.

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How often are you required to change the lining in a hard hat?

Every 12 months.

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What are the nominal dimensions of a toe board?

1 inch x 4 inch.

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“WHMIS” means:

A. Workers’ hazardous material information system.

B. Women’s hazardous material information system.

C. Workplace hazardous material information system.

D. Warehouse hazardous material information system.

C. Workplace hazardous material information system.

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WHMIS legislation provides employees and employers with:

A. Insurance policies.

B. Information on harmful products.

C. Information on all types of material.

D. Protection from hazardous material.

B. Information on harmful products.

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WHMIS legislation covers the responsibility of the employer to provide:

A. Worker benefits.

B. Worker medical examinations.

C. Worker education on controlled products.

D. Fume cabinets for use when opening a controlled product.

C. Worker education on controlled products.

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In reference to the WHMIS system, the abbreviation “MSDS” stands for:

A. Metal standard decimal system.

B. Mechanical system data sheet[]]

C. Material safety data sheet[][][][][][]

D. Material safety database system.

C. Material safety data sheet.

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In reference to WHMIS legislation, it doesn’t cover:

A. Storage of hazardous material.

B. Handling of hazardous material.

C. Use of hazardous materia[][][][][]]

D. Purchase of hazardous material.

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In reference to WHMIS legislation, the employer is responsible for ensuring that:

A. The suppliers deliver controlled products on time.

B. All material from the suppliers is properly labeled.

C. All controlled products are properly labeled[][][][][]]

D. All controlled products are paid for[][][][][][][][][][][][][]]

C. All controlled products are properly labeled.

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A chemical substance (controlled product) spills all over the floor. What precautionary procedure should we take?

Identify the substance.

Take a look at the MSDS sheet and follow the procedures on the MSDS sheet.

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According to the WCB, where a hazardous material is transferred to a piping system, the system must be:

A. Painted.

B. Graded.

C. Indentified.

D. Isolated[][][]

C. Indentified.

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The minimum number of planks and their dimensions for a working platform shall be:

A. 1 plank, 1 1/2 inch x 10 inch nominal

B. 2 planks, 1 1/2 inch x 10 inch nominal

C. 2 planks, 2 inch x 10 inch nominal[][][]

D. (2) - 2 x 4’s, on edge, with 1/4 inch plywood nailed to them.

C. 2 planks, 2 inch x 10 inch nominal

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Guard rails, when required, shall be placed at:

A. 36 inches above the working platform.

B. 42 inches above the working platform.

C. 48 inches above the working platform.

D. 60 inches above the working platform.

B. 42 inches above the working platform.

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When a scaffold is 10 feet (3m) in height, what is required?

A. Secure scaffolding to the building.

B. Perimeter guard rails[][][][][][][][][][][][]]

C. Wheels that cannot go flat[][][][][][][][]

D. Qualified safety pesonal certifying the assembly.

B. Perimeter guard rails.

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The upper portion of a ladder should run past the point of contact by at least:

A. 12 inches.

B. 24 inches.

C. 30 inches.

D. 36 inches.

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The base of ladder should be how far away from the wall that it’s leaning against?

A. One quarter of the ladder’s height.

B. One third of the ladder’s height[][][]

C. One half the ladder’s height[][][][][][]

D. Four feet[][][][][][][][][][][][][][][][][][][][][][][]

A. One quarter of the ladder’s height.

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A worker is sent to install pipe in a ditch which is over 4 feet deep. What does WCB require in this situation?

A. The worker requires a confined space entry approval.

B. The worker always requires shoring unless adequately sloped.

C. No shoring required, providing that the sides of the trench are stable.

D. There is a trench supervisor present[][][][][][][][][][][][][][][][][][][][][][][][][][][][][][][]

B. The worker always requires shoring unless adequately sloped.

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If trench walls are required to be sloped, it is at a ratio of:

A. 1:1.

B. 1:2.

C. 2:3.

D. 3:4.

(3 over 4 down).

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An electrical fire would require a class __ fire extinguisher.

A. “A”.

B. “B”.

C. “C”.

D. “D”.

C. “C”.

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Center punching of concrete is done to:

A. Mark a hole for reference measurements.

B. Assess the power level needed of a powder actuated tool.

C. Assess the curing progess of concrete[][][][][][][][][][][][][][][][][][][]

D. Mark the position of a powder actuated shot[][][][][][][][][][][][][]]

B. Assess the power level needed of a powder actuated tool.

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In assessing the work piece, you find that it can't be scratched with a powder actuated nail. What should your reaction be? A. Load and fire using the lightest charge. B. Load and fire using a med-range charger. C. Load and fire using the heaviest charge[][] D. Do not fire the tool; the work piece is too hard.

D. Do not fire the tool; the work piece is too hard.

Of the following choices, a 1/2 inch coper pipe would be best fastened to a hollow concrete block wall using a: A. Plastic insert. B. Toggle bolt[][] C. Machine screw. D. Cap screw[][][][]

B. Toggle bolt.

A/an ____________________ is best suited to anchor a piece of machinery to a concrete floor. A. Plastic bolt. B. "U" bolt[][][]] C. Expansion shield and bolt. D. Toggle bolt[][][][][][][][][][][][][][]]

C. Expansion shield and bolt.

A safety line should be attached to what party of the safety harness? A. The back. B. The front. C. The side[] D. The bottom.

A. The back.

Before a septic tank can be serviced, it must be assumed that: A. Flammable vapours may be present. B. Confined space entry procedures are involved. C. A drowing hazard exists[][][][][][][][][][][][][][][][][][][][][][] D. All of the above[][][][][][][][][][][][][][][][][][][][][][][][][][][][][][]

D. All of the above.

When using a 2 part bridal sling to lift an object, at what angle will each sling load equal the weight of the main line? A. 30 degrees. B. 45 degrees. C. 60 degrees. D. 90 degrees.

A. 30 degrees.

When working in the hallway of an apartment building, you notice a fire extinguisher that is rated for class "A" fires. What type of fire would you be able to use this fire extinguisher to fight? A. Electrical. B. Gasoline[] C. Wood, paper. D. All of the above are correct.

C. Wood, paper.

A class "D" fire extinguisher could be used to fight what type of fire? A. Steel. B. Lead. C. Brass alloy. D. Magnesium.

D. Magnesium.

If the firing pin was damanged on a powder actuated tool, what should be done?

Get it fixed by a certified professional.

Referring to the image below, what is it a picture of?

Line blind flange.

Who should you consult before coring a hole in a concrete slab?

Structural engineer.

If you needed to core through a "post tension cable", who would you consult?

Structural engineer.

Who can remove a "lockout" tag?

The person who installed it. (Following company procedure).

What do you do if you find someone unconscious on the job site?

Assess the situation then call for help.

Referring to the image below, what is it?

Spectacle blind flange.

If the water pipe and the sanitary are installed in the same trench, how would this be done?

Water line must be above sanitary and to the side.

How would you brace piping on an unstable ground?

Suspend from rods and clamps.

If the hook on a come-along is cracked, what should be done with it?

Get ride of it. (Purchase a new one).

The proper wrench used to tighten a flat-edged fitting is called a: A. Flat wrench. B. Strap wrench. C. Spud wrench[] D. Basin wrench[]

C. Spud wrench.

One major advantage of a compound-leverage pipe wrench is: A. Increased grip. B. Less expensive. C. Increased torque. D. Less space needed to operate.

C. Increased torque.

When using a hacksaw, how many teeth should be in contact with the workpiece? A. One. B. Three. C. Six[][][] D. Ten[][]

B. Three.

With a power vise, the only safe reamer to use is a: A. Spiral reamer. B. Fluted reamer. C. Ratcheting reamer. D. File[][][][][][][][][][][][][][]

B. Fluted reamer.

The type of die head used on a power threader that doesn't require reversing in order to disengage the pipe is called: A. Quick opening. B. Droop-head[][][] C. Ratchet[][][][][][][] D. Universal[][][][][]

A. Quick opening.

A power vice: A. Holds pipe. B. Holds and turns pipe. C. Cuts pipe[][][][][][][][][][][] D. Threads pipe[][][][][][][]]

B. Holds and turns pipe.

This tool would be used to center a vertical pipe rising out of the ground through a sleeve in the slab above it: A. Level. B. Transit. C. Plumb bob. D. Tape measure.

C. Plumb bob.

The substance which must ALWAYS be present in an acetylene cyclinder is: A. Acetate. B. Acetone. C. Acid[][][][] D. Aldehyde.

B. Acetone.

What is applied to the strap of a strap wrench to keep it from slipping on the work piece? A. A light application of cement. B. Powdered resin[][][][][][][][][][][][]] C. Powdered chalk[][][][][][][][][][][][] D. Water[][][][][][][][][][][][][][][][][][][][][]

B. Powdered resin.

What wrench is best suited for turning chrome-plated pipe? A. Crescent wrench. B. Friction wrench[][] C. Pipe wrench with cloth protection. D. Square-jawed wrench[][][][][][][][][][][]]

B. Friction wrench.

Which tool listed would likely be used to tighten a faucet down to the countertop behind an existing kitchen sink? A. Strap wrench. B. Crescent wrench. C. Basin wrench[][][]] D. Pipe wrench[][][][]

C. Basin wrench.

The safety device built into an acetylene cylinder is: A. A relief valve. B. A fusible link[] C. A double-seated valve. D. An excess-flow valve[]]

B. A fusible link.

The length of a standard pipe wrench is measured from: A. The outside of the hook jaw to the end of the handle. B. The inside of the hook jaw to the end of the handle[][] C. The face of the heel jaw to the end of the handle[][][][] D. The inside of the hook jaw to the end of the handle, with the wrench fully open.

B. The inside of the hook jaw to the end of the handle. D. The inside of the hook jaw to the end of the handle, with the wrench fully open.

When a plumber uses a toilet auger to clear a stoppage in a toilet bowl, what should be done?

Pull the auger handly fully out of the sheath, then place the rubberized goose neck into the trap way opening.

The purpose of the square hole in the reamer blade of a "Ridgid #15" pipe cutter is: A. As a hand-hold for gripping the reamer. B. To open or close a "B" tank valve[][][][][][] C. To adjust the regulator pressure[][][][][][][] D. To tighten the set screw on a Rigid hacksaw.

B. To open or close a "B" tank valve.

The wheels on the chain of a cast iron snap cutter: A. Are pressure points to break the cast iron pipe. B. Are ment to roll around the pipe to cut it[][][][][][]] C. Are thinner than those on a steel pipe cutter[][][] D. Are diamond-tipped for long life[][][][][][][][][][][][][][]

A. Are pressure points to break the cast iron pipe.

Left hand threads on an acetylene fitting are usually recognizable by: A. A line cast around the nut. B. The initials "LH" stamped on the nut. C. Colouring the nut red[][][][][][][][][][][][][][] D. Colouring the nut green[][][][][][][][][][][]

A. A line cast around the nut.

When opening a cylinder connected to a regulator, you should: A. Open the hand wheel quickly. B. Open the acetylene hand wheel slowly and fully. C. Never stand in front of the regulator[][][][][][][][][][][][][] D. Open the oxygen hand wheel slowly, one full turn only.

C. Never stand in fron of the regulator.

Referring to the figure below, the tubing bender is set for an: A. A standard 90° tube bend. B. A reverse 90° tube bend[]] C. Either a standard or reverse 90° tube bend. D. A standard 45° tube bend[][][][][][][][][][][][][][][][]]

B. A reverse 90° tube bend.

Referring to the figure below, when performing a reverse 90° tube bend, where is the centerline of the bend placed? A. 0 mark. B. 45 mark. C. 90 mark. D. R mark[]]

D. R mark.

If a vertical pipe is required to be cut just as it comes above the floor level, what type of cutter would you use to do this?

Internal pipe cutter.

If black iron pipe is to be installed in a small space, what type of wrench would you use?

Chain wrench.

Which tool would be used to cut 2 inch or smaller diameter carbon steel pipe? A. Tubing cutters. B. Reciprocating saw. C. Hacksaw[][][][][][][][][] D. Pipe cutters[][][][][][]

A. Tubing cutters.

Another name for T-drilling?

Extracted tee.

When using a drill press, what is the most important thing to consider?

The type of material that you're drilling a hole in to.

Which drawing would be referenced when exact equipment location is required? A. Mechanical. B. Electrical[][][] C. Architectural. D. Site[][][][][][][][]

C. Architectural.

What is the required torque and sequence for installing mechanical joint couplings?

Tighten evenly to 60 inch pounds.

How do you replace the cutting dies on a threading machine?

Numerical order.

What is the difference between an isometric drawing and an orthographic drawing?

Isometric: Drawn at 30°[][][]] Orthographic: Drawn at 90°

Referring to the figure below, assume that view "A" is the south elevation of a building. Which view represents the east elevation? A. View "E". B. View "B". C. View "C". D. View "D".

C. View "C".

Referring to the figure below, in a mechanical drawing, an invisible surface or edge is shown as: A. B. C. D.

The drafting line that indicates alternating positions, moveable parts, or future locations of equipment or piping is a: A. Section line. B. Hidden body line. C. Phantom line[][][][][] D. Cut line[][][][][][][][][]]

C. Phantom line.

The outside water, sanitary and storm drain piping is shown on the: A. Site plan. B. Structural plan. C. Elevation drawings. D. Mechanical drawings.

A. Site plan.

Measurements for floor heights and drop ceilings for rough-in purposes are taken from the building's: A. Floor plan. B. Site plan[]] C. Cross sectional elevation drawing. D. Specifications[][][][][][][][][][][][][][][][][][][]]

C. Cross sectional elevation drawing.

The name given to a piping drawing submitted AFTER the job is completed that shows the location of pipes is the: A. Isometric drawings. B. Site plan drawings[] C. Installed drawings[] D. As-built drawings[]]

D. As-built drawings.

What are mechanical drawings used for?

Shows the layout of piping and equipment for mechanical systems.

If a print is drawn at a scale of 1/4 per foot, what would the actual length of a pipe be if it was drawn 2 7/8 inches long? A. 8 feet 7 inches. B. 11 feet 6 inches. C. 18 feet 3 inches. D. 23 feet 8 inches.

B. 11 feet 6 inches.

When accurate scale and a more realistic appearance is needed to represent a piping system, which of the following would be used? A. Single line drawings. B. Double line drawings. C. Triple line drawings[][]] D. Phantom line drawings.

B. Double line drawings.

Which of the following would contain a description of the work to be done, date, list of materials and time to complete the work? A. Work order. B. Invoice[][][][]] C. Bill of materials. D. As-buit[][][][][][][][]

A. Work order.

The scale usually appears on what part of the drawing? A. The title block. B. The key plan[]] C. Notes[][][][][][][][] D. Specifications[]

A. The title block.

Referring to the figure below, what type of drawing does the following symbol refer to? A. Oblique. B. Section[] C. Elevation. D. Detail[][][]

D. Detail.

Referring to the figure below, what is the meaning of the symbol? A. A section drawing appears on page 13. B. A detail drawing appears on page 13[][] C. Section drawing 13 appears on the same sheet. D. Detail drawing 13 appears on the same sheet[][]

D. Detail drawing 13 appears on the same sheet.

Referring to the figure below, what type of drawing does the following symbol refer to? A. Oblique. B. Section[] C. Elevation. D. Detail[][][]]

C. Elevation.

Referring to the figure below, what type of drawing does the symbol refer to? A. Oblique. B. Section[] C. Elevation. D. Detail[][][]

B. Section.

When determining equipment location, which drawing should be referenced?

Architectural.

Referring to the figure below, what is the height of the instrument between shot #1 and shot #2? A. 96.24' B. 100.00' C. 103.76' D. 105.13'

C. 103.76'

Referring to the figure below, what is the rod reading at shot #2? A. Foresight of 5.13'. B. Backsight of 5.13'. C. Foresight of 98.63'. D. Backsight of 98.63'.

A. Foresight of 5.13'.

Referring to the figure below, what is the elevation at point "B"? A. 96.24'. B. 98.63'. C. 95.71'. D. 99.16'.

B. 98.63'.

Referring to the figure below, what is the height of the instrument bertween shots number 3 and 4? A. 99.47'. B. 104.29'. C. 103.76'. D. 102.92'.

D. 102.92'.

Referring to the figure below, what is the elevation at point "C"? A. 98.11'. B. 102.92'. C. 103.76'. D. 107.73'.

A. 98.11'.

The location and elevation of a benchmark shown on a site plan denotes: A. The base point from which all levels are measured. B. The highest elevation on the project[][][][][][][][][][][][][] C. The point at which the water service enters[][][][][][][] D. The lowest point on the project[][][][][][][][][][][][][][][][][]]

A. The base point from which all levels are measured.

Which is the most commonly accepted method of retaining a benchmark in a concrete slab? A. A brass plug. B. A wooden plug. C. A chalk mark[][]] D. A steel plate[][][]

A. A brass plug.

An invert elevation is taken at: A. The bottom outside of the pipe. B. The bottom inside of the pipe[][] C. The top outside of the pipe[][][][] D. The top inside of the pipe[][][][][]

B. The bottom inside of the pipe.

The function of stadia hairs is to: A. Measure distance. B. Calculate grade[][]] C. Make the crosshairs more visible. D. Help focuse the eyepiece[][][][][][][]

A. Measure distance.