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D47 FACE THE CHALLENGE

Authored by WINCENTRE CLASSES

Professional Development

Professional Development

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D47 FACE THE CHALLENGE
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30 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which material property describes the ability to be drawn into wires?

Malleability
Toughness
Ductility
Elasticity

Answer explanation

Ductility refers to the ability of a material to deform under tensile stress, important for drawing into wires.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The type of compass where the readings are taken through a prism is:

Surveyor’s compass
Trough compass
Tubular compass
Prismatic compass

Answer explanation

In prismatic compass, readings are taken by viewing through a prism arrangement.

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Unit of measurement for ‘Duty’ in direct irrigation is:

Hectares/million m³
Litres/sec
Hectares/cumec
Acres/cumec

Answer explanation

In direct irrigation, duty is expressed as hectares per cumec of discharge.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The ability of a material to regain its original shape after deformation is called:

Plasticity
Elasticity
Toughness
Resilience

Answer explanation

Elasticity is the ability to return to the original shape after load is removed.

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Reinforced masonry is preferred over plain masonry because it:

Looks better
Is cheaper
Can resist tensile stresses
Is lighter

Answer explanation

Steel in reinforced masonry helps resist tensile stresses, unlike plain masonry.

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which property refers to a material's ability to absorb moisture from air?

Porosity
Hygroscopicity
Permeability
Absorption

Answer explanation

Hygroscopicity is the property of absorbing moisture from the air.

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In compass surveying, local attraction is indicated when:

BB and FB differ by 90°
BB equals FB
BB and FB differ by ≠180°
Declination is high

Answer explanation

Local attraction causes the FB and BB to not differ exactly by 180°.

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