A1 test(TTM)

An example of an operating environment for commercial vehicles includes

The engine it uses

The steepness of a road grade

The number of the steps between transmission gears

The regulations in the region it operates

Which of the following statements best describes engine torque?

The speed range where an engine pulls the heaviest load

A measure of power output at maximum engine speed

The twisting force at the flywheel of an engine

A calculation of engine speed multiplied by cylinder pressure

Which number or letters in the VIN typically indicates the type of engine the vehicle uses?

6 and 7

The last 5

The 4th

The 9th

What are the 3 C's?

Care,cause, and concentration

Concern,cause, and correction

Cause,cost, and correction

Concern,cause, and cost

The lockout tag system is used to indicate that a tool or vehicle is which of the following?

Is in working order

Is dangerous to use or defective

Should be lubricated

Has been recently repaired

What should you not do with an air nozzle?

Clean out a drilled hole

Point it at someone else or yourself

Dry brake clean

What is a center punch used for?

To sharpen a drill bit

To use as a hammer

To scribe a peice of metal to make a straight line

To locate a hole/ to stop a drill from wondering

Nominal size of a bolt includes..

Shank diameter, penetration length, and thread pitch

Width, tensile load, and length

Shear strength, pre load, and width

What tap should you use to start a thread hole

Plug

Taper

Bottoming

What can occur when drilling large holes?

More heat

Jamming

Less penetration

How would you get the correct size of tubing?

Width

Length

Area

Outside diameter

How far should the tool rest on a bench grinder be?

3mm

7mm

2mm

5mm

What should you use to find a high pressure hydraulic leak?

Your hand

Pencil

Paper

Someone else hand

Which threads are strongest and most resistant to stripping?

Rolled coarse threads

Machine cut fine threads

Machine cut coarse threads

Rolled fine threads

Safety in the workplace is whose responsibility?

The supervisors and managers

The workers and supervisors

The employer, supervisor, and the worker

The employee and the manager

How much unobstructed space should be around an electrical panel?

1 foot

2 foot

3 foot

4 foot

Which type of light bulb is most hazardous when broken around flammable vapors?

Incandescent

LED

Fluorescent

Solid state

Which type of head will a cap screw use if there is adequate space space for a wrench or socket?

Internal hex head

External torx head

12 point head

Hex head

What feature of a line wrench gives it an advantage that other wrenches do not have?

Greater turning torque

An angled end to reach difficult heads

A curved handle

5 sides at each open end

Which of the following forces acting on a fastener is greatest when it is preloaded?

Tensile load

Shear load

Proof load

Elastic load

What are hammers classified by?

Width of handle

Length of handle

Weight of head and type of material

Length of head and and width

What are sledge hammers classified by?

Weight of head

Length of handle

Type of material

Width of head

How are Robertson screw drivers sized?

Width of head

By colour

Length of handle

What should you do if a chisel becomes mushroomed?

Cut in half

Thrown away

Ground off

What wrench should u use on brake lines?

Tubing of flare nut wrench

Line wrench

Angled wrench

Another name for interlocking slip joint pliers

Vise grips

Standard pliers

Water pump pliers

1224 is what on a blade?

Blade length and number of teeth

Width of blade and number of teeth

Length of handle and weight size

What is a thread gauge?

To sharpen a drill bit

To scribe a peice of metal

Measures pitch of threads

What is a wire feeler gauge used for?

To measure spark plugs

Measure drums

Measure rotors

Measure brake pads

Are fine threaded fasteners stronger then coarse

Yes

What is a grade on a bolt

Number of slashes minus 2

Number of slashes plus 2

Number of threads

Pitch of threads

Higher the number the greater tensile strength?

True

False

What type of socket should you use for a 4 square head?

Deep socket

Impact sockets

Driver socket

8 point socket

What type of plier is this?

Purple

Shear pliers

Side cutters

Water pump pliers

Should you use ether on a vehicle with glow plugs?

Yes

What does a block on a engine do?

Make it look pretty

Prevent hard starting

Prevents oil from spilling

Filters out smoke

Who should remove a lock out tag?

The person who put it on

Your friend whos working with you

Ur mom

Your boss

What should you do before lifting with a hydraulic jack?

Walk away

Put jack stands underneath

Find center of gravity

Put wheel chocks in

A vehicle is safe to work under after you.....

Cock wheels

Eat lunch

Support load with bridging

Turn off the night switch

Rigging equipment and working strength is found on what?

Metal tag

A white board

Vin number

Under your tool box

Why is a thimble on the end of a rope?

For safety

To prevent heat from getting near it

So it wont be crushed or flattened

Should the center of gravity be above or below the lifting point?

Below

Above

What are tag lines used for when lifting a load?

To prevent it from falling

To control load from a safe distance

To show how heavy the object is

Shows how long the object is

Which of the following bearings reduce friction produced by sliding contact?

Ball bearings

Roller bearing

Tapered roller bearing

Plain bushings

Which type of bearing can support a combined load?

Ball bearing

Roller bearing

Tapered roller bearing

Plain bushing

What does C and S stand for when referring to oil types?

C: cactus and S: stain

C: gas S: diesel

C: 15w40 S: 10w30

C: diesel S: gas

Society of ________ _________ establishes the rating for oil viscosities

Sponge bob square pants

Occupational safety

Automotive engineers

Environmental protection

What are some oil additives?

Vodka, tequila, gin and whiskey

Vegetable oil, deep creep and acetone

15w40, 10w30, and 30w

Anti wear agents, reserve alkalinity, and foam suppressors

What should you do if you leave a job unfinished and someone else starts working on it after you?

Leave your tools everywhere for them

Leave precise information on what you were doing

Clean up after yourself

What does 6x19 stand for when talking about rope?

Number of strands and number of wires

The width and the length

The direction there both going

What does the grade indicate on a wire?

The size of wire

The wires breaking strength

How far the wire can stretch

How are chains identified?

Link diamter

Outside diameter

Length

Width

What is a reliable method to seal in oil under pressure?

Compression packings

Brinelling

Metal gasket

What temperature should you not exceed when heating up a bearing?

200c

150c

127c

121c

What tool would u use to measure end play on a wheel bearing?

Micrometer

Ruler

Dial indicator

Stepped feeler gauge

What is brinelling caused from?

Metal getting to hot

High load impact

Metal shards in bearing

What are 2 methods used to adjust bearings? (2 right answers)

Wrench and a hammer

Adjust nut in front of bearing

Pre load and endplay

Measure width

Inner race is the core and the outer race is the cup

True

False

Should you use shop air to dry or spin a bearing?

Yes

What are 3 types of anti friction bearings?

Ball, roller, and needle bearings

Conrad, full, and split race bearings

Straight roller, spherical, and taper bearings

Solid and split bushings may have grooves in the bearing surface

True

False

What loads are designed for friction bearings?

Heavy loads

Lighter loads

Angular loads

Radial loads

What is the 1st step before lifting?

Determine mass load

Find center of gravity

Eat lunch

Put bridge blocking down

What do service records contain?

How many parts you used

How many hours you put into a job

Your previous work history

Regular lay definition.

Has the outer strands lain in the opposite direction then the strands themselves

Outer strands and wires of the outer strands laid in the same direction

Lang lay definition

Outer strands laid in the opposite then the strands themselves

Outer strands and wires of the outer strands laid in the same direction

Amount of friction is affected by the type of material

True

False

A standard 0-1 inch outside imperial micrometer shows 3 large divisions, 3 small divisions and 3 on the thimble. What is the measurement?

0.0378

0.372

0.375

0.378

How much will the reading change by on a imperial outside micrometer when the thimble is turned one full revolution?

0.25

0.025

0.050

A1 test(TTM)

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