D66 FACE THE CHALLENGE

D66 FACE THE CHALLENGE

Professional Development

31 Qs

quiz-placeholder

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D66 FACE THE CHALLENGE

D66 FACE THE CHALLENGE

Assessment

Quiz

Professional Development

Professional Development

Hard

Created by

WINCENTRE CLASSES

Used 1+ times

FREE Resource

31 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which process involves adding air to water to remove dissolved gases like CO2 and H2S?
Sedimentation
Aeration
Filtration
Chlorination

Answer explanation

Aeration removes dissolved gases, oxidizes iron and manganese, and improves taste and odour.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which method is commonly used to disinfect wells in rural areas?
Bleaching powder application
UV treatment
Ozone treatment
Boiling

Answer explanation

Bleaching powder is a simple and effective method to disinfect rural wells.

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which filtration process can remove iron and manganese from water?
Slow sand filtration
Rapid sand filtration
Pressure filtration with aeration
Membrane filtration

Answer explanation

Pressure filtration combined with aeration is used to remove iron and manganese.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which weld is used when two members meet at right angles and are joined along the edges?
Fillet weld
Butt weld
Slot weld
Plug weld

Answer explanation

Fillet welds join two surfaces at approximately right angles to each other.

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the primary function of a gusset plate in steel structures?
Increase load carrying capacity of bolts
Provide lateral stability
Connect members at a joint
Reduce buckling

Answer explanation

Gusset plates are used to connect multiple members at a joint in trusses and frames.

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which type of footing is used for two columns with different loads and spacing?
Rectangular footing
Square footing
Trapezoidal footing
Circular footing

Answer explanation

Trapezoidal footings distribute loads from columns with unequal loads and spacing.

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The lap length for tension bars in RCC should not be less than:
20 times bar diameter
40 times bar diameter
50 times bar diameter
60 times bar diameter

Answer explanation

IS codes specify that lap length in tension should be at least 40 times the bar diameter.

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