You observe that a contractor has purposefully missed out a paint coat, what action for you take?

A. Stop the operation and report to the Engineer

C. Check the DFT and decide what to do

Which of the following is a description of rust grade A?

C. Steel surface largely covered with mill-scale with little if any rust

A. Steel surface on which mill-scale can be scraped away and rust begins to show

B. Steel surface on which mill-scale has flaked or can be scraped away with slight pitting visible under normal vision

D. Steel surface on which mill-scale has completely rusted away

Moisture coating polyurethane shouldn’t be applied on

D. when relative humidity more than 90%

A low voltage wet sponge holiday detector is used for finding discontinuities

B. non-conductive coating on conductive substrate

A. conductive coating on non-conductive substrate

C. non-conductive coating on non-conductive substrate

D. conductive coating on conductive substrate

Bittiness is usually caused by:

C. Contamination on the substrates

What is the main reason for rash rusting:

A. faulty application technique

B. trapping solvent below the surface

The viscosity of paint is measured to:

D. check for the addition of thinners

A. determine the volume of paint

B. see how much surface area can be covered by that volume of paint

C. check the mix of multi-component paints

Bleeding is the result of:

D. Incompatibility between paint coats

BGAS PART 2AB

Authored by MOHD HASADAN ISMAIL

Special Education

Professional Development

Used 65+ times

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Paint application is not permitted when the:

A. Dew point in 3˚C more than the steel temperature.

B. Air temperature is 5˚C less than steel temperature.

C. Dew is 2˚C less than air temperature.

D. Steel temperature is 2˚C more than air temperature

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which grade of cleanliness requires a test for mill-scale?

A. St3.

B. Sa3.

C. St2.

D. Sa2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What the number 120 refer to when the grit size is G120?

A. Grit with nominal size of 1/120th inch.

B. Grit with nominal size of 1200 microns.

C. Grit with nominal size of 120 thousand of an Inch.

D. Grit with nominal size of 120 microns

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is a qualitative method?

A. Comparator.

B. Needle profile gauge.

C. Merkoquant test.

D. Replica tape.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the definition of Sa2?

A. Thorough hand and power tool cleaning.

B. Very through blast cleaning.

C. Very thorough hand and power tool cleaning.

D. Thorough blast cleaning.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main disadvantage of a wheelabrator?

A. low speed of abrasives.

B. use of expendable abrasive.

C. it isn’t safe for the operator.

D. bolt holes, gussets and stiffeners aren’t accessible.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

You are using a whirling hygrometer and you observe that the wet and dry bulbs read the same temperature. This indicates:

A. Extremely dry conditions.

B. Humidity is saturated

C. There is no water in the reservoir.

D. B and C above

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BGAS PART 2AB

Paint application is not permitted when the:

Which grade of cleanliness requires a test for mill-scale?

What the number 120 refer to when the grit size is G120?

Which is a qualitative method?

What is the definition of Sa2?

What is the main disadvantage of a wheelabrator?

You are using a whirling hygrometer and you observe that the wet and dry bulbs read the same temperature. This indicates:

A touch pyrometer is used for measuring:

You observe that a contractor has purposefully missed out a paint coat, what action for you take?

Which of the following is a description of rust grade A?

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