Self-assessment On-line

Locksmith

1 / 15

Kwikset Titan has a MACS of:

2 / 15

How many sets of pintumblers are in a typical pin tumbler house door lock?

3 or 4

5 or 6

11 or 12

7 or 8

3 / 15

Spool and Mushroom pins:

Make keys easier to duplicate

Can hinder normal picking attempts

Make a lock easier to pick

Make keys harder to duplicate

4 / 15

A key in knob lock whose default position is that both knobs are locked and require that a key be used for unlocking is:

A classroom lock

A function lock

An institution lock

A school lock

5 / 15

As a general rule, General Motors’ 10 cut wafer sidebar locks have:

A sum total of cut depths that must equal an even number

Up to four of the same depth cut in the 7,8,9 and 10 spaces

A maximum of five number 1 depths in a code combination

At least one -1 or 1-4 adjacent cuts

6 / 15

The 2 most common key stops are:

Blade and v cut

Shoulder and tip

Bow and blade

Keyway grooves and bittings

7 / 15

A popular type of lock used on GM cars is:

A Medeco pin tumbler

An Automotive Bit key

A sidebar wafer

An Automotive tubular key

8 / 15

Which type of cylinder is typically found on an interlocking deadbolt or „jimmy proof” deadlock?

Mortise cylinder

Key in knob cylinder

Rim Cylinder

Tubular Deadbolt Cylinder

9 / 15

A blank is basically just:

A change key with cuts on one side only

An uncut or uncombinated key

Any key with no words or numbers on the bow

A master key with no words or numbers on the bow

10 / 15

You must run the cutter of a key machine into the vise jaw.

True

False

11 / 15

A combination lock require a key to be opened.

True

False

12 / 15

A rubber band can assist in opening some types of locks.

True

False

13 / 15

What does VATS stand for?

Vehicular Alarm Timing System

Vehicle Anti Theft System

Vehicle Alarm Theft System

Vehicle Anti Thief System

14 / 15

Most locks on BMW’s have 8 disc tumblers and are easy to pick open.

True

False

15 / 15

VIN stands for Vehicle Information Number.

True

False

Your score is

The average score is 36%

Painter of industrial products

1 / 15

A solution of a pigment in water, oil, or organic solvent, used to cover wood or metal articles either for protection or for appearance

Paint

Varnish

Stain

All of the above

2 / 15

Are air-drying materials applied by brush or spray to architectural and structural surfaces and forms for decorative and protective purposes

Architectural Paint

Commercial Paint

Industrial Paint

All of the above

3 / 15

Air-drying or baking-cured materials applied by brush, spray, or magnetic agglomeration to kitchen and laundry appliances, automobile, machinery, and furniture and used as highway marking materials

Architectural Paint

Commercial Paint

Industrial Paint

All of the above

4 / 15

Makes the coat of paint retain its structure, and binds it to the surface to which it is applied

Pigment

Binder

Vehicle

Solvent

5 / 15

Are basecoats applied to a surface to improve the adhesion of subsequent coats of paint or varnish

Primers

Sealers

Oil Paint

Epoxy

Rust Inhibiting Paints

Fire Retardant Paints

Heat Resistant Paint

Intumescent Paint

6 / 15

A solution of dye or suspension of pigment in a vehicle, applied to penetrate and color a wood surface without obscuring the grain

Paint

Varnish

Stain

7 / 15

A penetrating stain made by dissolving dye in a water vehicle.

Water

Spirit

Pigmented

Oil

8 / 15

An oil stain containing pigments capable of obscuring the grain and texture of a wood surface

Water

Spirit

igmented

Oil

9 / 15

A liquid preparation of a resin dissolved in an oil or in alcohol that when spread and allowed to dry forms a hard, lustrous and transparent coating

Paint

Varnish

Stain

10 / 15

Refers to any of various clear or colored synthetic coatings consisting of nitrocellulose or other cellulose derivative dissolved in a solvent that dries by evaporation to form a high gloss film.

Spar

Polyurethane

Lacquer

Shellac

11 / 15

Spirit varnish made by dissolving purified lac flakes in denatured alcohol.

Spar

Polyurethane

Lacquer

Shellac

12 / 15

Bubbles resulting from localized loss of adhesion and lifting of the paint film from the underlying surface

Blistering

Blocking

Burnishing

Crack/Flakes

Foaming Catering

Lapping

Mildew

Mud Cracking

Sagging

Surfacant Leaching

Wrinkling

Poor Print Resistance

Alligatoring

Chalking

Dirt Pickup

Mottling

Frosting

Paint Incopatibility

Peeling

Poor Alkali

Poor Galvanized Metal Adhesion

Poor Gloss Retention

Vinyl Sliding Warp

13 / 15

Undesirable sticking together of two painted surfaces when pressed together (e.g., a door sticking to the jamb)

Blistering

Blocking

Burnishing

Crack/Flakes

Foaming Catering

Lapping

Mildew

Mud Cracking

Sagging

Surfacant Leaching

Wrinkling

Poor Print Resistance

Alligatoring

Chalking

Dirt Pickup

Mottling

Frosting

Paint Incopatibility

Peeling

Poor Alkali

Poor Galvanized Metal Adhesion

Poor Gloss Retention

Vinyl Sliding Warp

14 / 15

Appearance of a denser color or increased gloss where wet and dry layers overlap during paint application.

Blistering

Blocking

Burnishing

Crack/Flakes

Foaming Catering

Lapping

Mildew

Mud Cracking

Sagging

Surfacant Leaching

Wrinkling

Poor Print Resistance

Alligatoring

Chalking

Dirt Pickup

Mottling

Frosting

Paint Incopatibility

Peeling

Poor Alkali

Poor Galvanized Metal Adhesion

Poor Gloss Retention

Vinyl Sliding Warp

15 / 15

Accumulation of dirt, dust particles and/or other debris on the paint film; may resemble mildew.

Blistering

Blocking

Burnishing

Crack/Flakes

Foaming Catering

Lapping

Mildew

Mud Cracking

Sagging

Surfacant Leaching

Wrinkling

Poor Print Resistance

Alligatoring

Chalking

Dirt Pickup

Mottling

Frosting

Paint Incopatibility

Peeling

Poor Alkali

Poor Galvanized Metal Adhesion

Poor Gloss Retention

Vinyl Sliding Warp

Your score is

The average score is 0%

CNC Operator

1 / 15

When referring to CNC programming, which of the following is the command coed to move the tool in the clockwise direction?

G01

G02

G03

G17

2 / 15

When referring to CNC programming, which of the following is the program format for circular interpolation in a counter-clockwise direction?

G90 G01 X_Y_R_F_

G17 G02 X_Y_R_F_

G90 G01 X_Y_Z_F_

G17 G03 X_Y_I_J_F_

3 / 15

When referring to CNC programming, which of the following is the command coed to move the tool in the counterclockwise direction?

G01

G02

G03

G17

4 / 15

When referring to the elements of word address CNC programming, a „1” bit is a representation of a/an _________ condition.

Emergency

Off

Ultimate

5 / 15

Calculate the feed per minute when an 8 tooth CNC cutter is rotating at 700 rpm and the chip load is 0.008 inch. The feed per minute will be _______ inches.

56.0

44.8

5.6

0.7

6 / 15

Which of the following operations will produce a hole with 45 degree chamfers?

Blind hole drilling

Spot drilling

Center drilling

Counter sinking

7 / 15

The most common type of feed drives used on CNC machines is the:

Electric servo motor

Hydraulic drive

Manual crank

Manual/hydraulic system

8 / 15

When referring to CNC tapping operations, what does the acronym TDS stand for?

Tap Drilling Speed

Total Diameter Size

Tap Drill Size

Tap Down Speed

9 / 15

When referring to CNC operations, an excessive surface cutting speed will result in:

Extended tool life

A longer time to machine the workpiece

Rapid tool wear

A decreased use of coolant

10 / 15

When referring to common CNC programming structures, which of the following is the best example of an end of block character?

;

G00

11 / 15

What is a major disadvantage of the vertical spindle machining centers?

They can handle heavy workpieces.

Chips accumulate on top of the workpiece.

Some of the spindles have vertical motion.

The crosslide can move transversally.

12 / 15

When referring to CNC programming, which of the following multiple hole patterns is typically the simplest to program?

An arc hole pattern.

A bolt hole circle.

A linear hole pattern.

An angular hole pattern.

13 / 15

The coolant system of a CNC machine would most commonly be a __________ pump.

Low pressure

Medium pressure

High pressure

Gravity

14 / 15

What do the X and Z relate to with a CNC faced can cycle having a G94XZF__; code?

It is the program feed rate.

It is the incremental dimensions from park location to cutting start and end points.

It is the absolute dimensions of the cutting start and end points.

It is the facing canned cycle command.

15 / 15

Which of the following statement is true with respect to CNC multiple repetitive machining cycles?

It is not possible to program tool nose radius compensation when using repetitive cycles G70-72.

When programming TNR inside the cycle, you must cancel the compensation inside the cycle.

It is not possible to program and cancel TNR outside the repetitive cycle.

For pattern repeating cycle G 73 the operator programs the number of rough cuts and the DOC workpiece.

Your score is

The average score is 0%

Mechatronics

1 / 15

In which of the following base systems is 123 not a valid number?

Base 10

Base 16

Base 8

Base 3

2 / 15

Storage of 1 KB means the following number of bytes

1000

964

1024

1064

3 / 15

What is the octal equivalent of the binary number: 10111101

675

275

572

573

4 / 15

Pick out the CORRECT statement:

In a positional number system, each symbol represents the same value irrespective of its position.

The highest symbol in a position number system as a value equal to the number of symbols in the system.

It is not always possible to find the exact binary.

Each hexadecimal digit can be represented as a sequence of three binary symbols.

5 / 15

The binary code of (21.125)₁₀ is

10101.001

10100.001

10101.010

10100.111

6 / 15

A NAND gate is called a universal logic element because

It is used by everybody.

Any logic function can be realized by NAND gates alone.

All the minization techniques are applicable for optimum NAND gate realization.

Many digital computers use NAND gates.

7 / 15

Digital computers are more widely used as compared to analog computers, because they are

Less expensive

Always more accurate and faster

Useful over wider ranges of problem types

Easier to maintain

8 / 15

Most of the digital computers do not have floating point hardware because

floating point hardware is costly

it is slower than software

it is not possible to perform floating point addition by hardware

of no specific reason

9 / 15

The number 1000 would appear just immediately after

FFFF (hex)

1111 (binary)

7777 (octal)

All of the above

10 / 15

(10101)₂ is

(37)10

(69)10

(41)10

— (5)10

11 / 15

The number of Boolean functions that can be generated by n variables is equal to

22n

2n-1

-2n

12 / 15

Consider the representation of six-bit numbers by two’s complement, one’s complement, or by sign and magnitude: In which representation is there overflow from the addition of the integers 011000 and 011000?

Two’s complement only

Sign and magnitude and one’s complement only

Two’s complement and one’s complement only

All three representations

13 / 15

A hexadecimal odometer displays F 52 F. The next reading will be

F52E

G52F

F53F

F530

14 / 15

Positive logic in a logic circuit is one in which

Logic 0 and 1 are represented by 0 and positive voltage respectively.

Logic 0 and, -1 are represented by negative and positive voltages respectively.

Logic 0 voltage level is higher than logic 1 voltage level.

Logic 0 voltage level is lower than logic 1 voltage level.

15 / 15

Which of the following gate is a two-level logic gate

OR gate

NAND gate

EXCLUSIVE OR gate

NOT gate

Your score is

The average score is 0%

Welder

1 / 15

When may studs be furnished without flux?

Studs do not require flux

Never

Less than 5/16" diameter studs

1/4" diameter studs

2 / 15

What is the maximum diameter of E7018 electrode that can be used for a weld in the vertical position?

5/32"

1/8"

1/4"

7/32"

3 / 15

What is the maximum prequalified size a single pass 2F weld on ASTM A 36 plate be according to AWS D1.1, if welded with an E 7018 electrode?

3/8"

1/2"

5/16"

1/4"

4 / 15

What size spacer is required on a prequalified joint B-U3a-S?

1/4" x 1/2"

1/8" x 5/8"

1/4" x 3/16"

1/4" x 5/8"

5 / 15

For a joint with a base metal 3/4″ thick, what designation hole type IQI should be used?

6 / 15

Prequalified welding procedures may be used to weld studs with the following process

FCAW, GMAW, SMAW

SMAW

GTAW, GMAW

Prequalified welding process are not acceptable for welding studs

7 / 15

For what position(s) is/are a WPS qualified when the qualification test welds are slot welds in the horizontal position?

Flat and horizontal

All except overhead

All

Horizontal

8 / 15

For GMAW, the shielding gases must exhibit a dew point of ________?

-20 degrees F [ -20 degrees C ] or lower

-40 degrees F [-40 degrees C] or lower

-40 degrees F

-20 degrees C or lower

9 / 15

Which of the following electrodes can be used on a weathering steel like ASTM A558?

EXXXX-B2L

E6010

E7018

Option4

10 / 15

When stress relieving a weldment at a temperature of 150 degrees F below the minimum specified temperature, what is the minimum holding time per inch of thickness?

2 hours

4 hours

10 hours

20 hours

11 / 15

On flexible connections, the maximum length of the end return is _______times the nominal size of weld?

12 / 15

What is the root opening for a prequalified joint TC-U4a with a 45 degree angle?

1/8"

3/8"

Not specified

1/4"

13 / 15

Using E6010 in the 3G position what is the maximum electrode diameter?

3/16"

5/32"

1/4"

5/16"

14 / 15

The recommended nominal thickness of backing bars for the GMAW process is

1/4"

1/8"

3/16"

Not specified

15 / 15

What percentage of wire feed speed would require a WPS requalification for the FCAW process?

>25%

No change

> 10%

<15%

Your score is

The average score is 0%

Operator of machines and equipment for plastics processing

1 / 15

What are plastics and synthetic fibres made from?

Coal

Crude oil

Metal

Plants

2 / 15

What natural polymer is made up from thousands of glucose monomers joined together?

Cotton

Rubber

Starch

Hair

3 / 15

Which of the following is a advantage of synthetic polymers?

The demand is greater than the world can supply

Many burn to produce toxic gases and burn easily

Many are durable

They have limited uses

4 / 15

Which plastic burns and produces the toxic gas, hydrogen chloride?

Polyacrylonitrile

Polyurethane

PVC

All plastics

5 / 15

When hot water is placed into an empty water bottle, the water bottle keeps its shape and does not soften. What type of plastic is the water bottle made from?

Thermoplastic

PVC

Polyurethane

Thermosetting

6 / 15

In the chemical industry, large saturated hydrocarbons are broken down into smaller more useful unsaturated hydrocarbons. What is the process called?

Hydrolysis

Polymerisation

Cracking

Distillation

7 / 15

What will the name of the polymer be, if the monomer name is propene?

Polyvinylchloride

Plastic

Polyethene

Polypropene

8 / 15

A disadvantage of many plastics, is that they are non-biodegradable. What does this mean?

Break down naturally, by sunlight or bacteria.

Will not break down naturally using sunlight or bacteria.

Last a long time.

Will cause environmental problems.

9 / 15

Which of the following can be used for injection moulding?

HDPE

Acrylic

PVC

10 / 15

Which of the following can be used for injection moulding?

LDPE

Acrylic

11 / 15

Which of the following can be used for blow moulding?

ABS

Nylon

12 / 15

Which of the following can be used for vacuum forming?

ABS

Acrylic

13 / 15

Bioplastics are recyclable after use.

True

False

14 / 15

What does thermoplastic mean?

Plastics that reduce risk of combustion.

Long-chain molecules, held together by rigid cross links.

Tangle of long-chain molecules, can be realised with application of heat, so the material can be reshaped.

15 / 15

What does thermoset mean?

Plastics that reduce risk of combustion.

Long-chain molecules, held together by rigid cross links.

Tangle of long-chain molecules, can be realised with application of heat, so the material can be reshaped.

Your score is

The average score is 26%

Self-assessment On-line

When referring to CNC programming, which of the following is the command coed to move the tool in the clockwise direction?

When referring to CNC programming, which of the following is the program format for circular interpolation in a counter-clockwise direction?

When referring to CNC programming, which of the following is the command coed to move the tool in the counterclockwise direction?

When referring to the elements of word address CNC programming, a „1” bit is a representation of a/an _________ condition.

Calculate the feed per minute when an 8 tooth CNC cutter is rotating at 700 rpm and the chip load is 0.008 inch. The feed per minute will be _______ inches.

Which of the following operations will produce a hole with 45 degree chamfers?

The most common type of feed drives used on CNC machines is the:

When referring to CNC tapping operations, what does the acronym TDS stand for?

When referring to CNC operations, an excessive surface cutting speed will result in:

When referring to common CNC programming structures, which of the following is the best example of an end of block character?

What is a major disadvantage of the vertical spindle machining centers?

When referring to CNC programming, which of the following multiple hole patterns is typically the simplest to program?

The coolant system of a CNC machine would most commonly be a __________ pump.

What do the X and Z relate to with a CNC faced can cycle having a G94X__Z__F__; code?

Which of the following statement is true with respect to CNC multiple repetitive machining cycles?

In which of the following base systems is 123 not a valid number?

Storage of 1 KB means the following number of bytes

What is the octal equivalent of the binary number: 10111101

Pick out the CORRECT statement:

The binary code of (21.125)10 is

A NAND gate is called a universal logic element because

Digital computers are more widely used as compared to analog computers, because they are

Most of the digital computers do not have floating point hardware because

The number 1000 would appear just immediately after

(10101)2 is

The number of Boolean functions that can be generated by n variables is equal to

Consider the representation of six-bit numbers by two’s complement, one’s complement, or by sign and magnitude: In which representation is there overflow from the addition of the integers 011000 and 011000?

A hexadecimal odometer displays F 52 F. The next reading will be

Positive logic in a logic circuit is one in which

Which of the following gate is a two-level logic gate

What are plastics and synthetic fibres made from?

What natural polymer is made up from thousands of glucose monomers joined together?

Which of the following is a advantage of synthetic polymers?

Which plastic burns and produces the toxic gas, hydrogen chloride?

When hot water is placed into an empty water bottle, the water bottle keeps its shape and does not soften. What type of plastic is the water bottle made from?

In the chemical industry, large saturated hydrocarbons are broken down into smaller more useful unsaturated hydrocarbons. What is the process called?

What will the name of the polymer be, if the monomer name is propene?

A disadvantage of many plastics, is that they are non-biodegradable. What does this mean?

Which of the following can be used for injection moulding?

Which of the following can be used for injection moulding?

Which of the following can be used for blow moulding?

Which of the following can be used for vacuum forming?

Bioplastics are recyclable after use.

What does thermoplastic mean?

What does thermoset mean?

What do the X and Z relate to with a CNC faced can cycle having a G94XZF__; code?

The binary code of (21.125)₁₀ is

(10101)₂ is