D66 FACE THE CHALLENGE
Quiz
•
Professional Development
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Professional Development
•
Practice Problem
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Hard
WINCENTRE CLASSES
Used 1+ times
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31 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which process involves adding air to water to remove dissolved gases like CO2 and H2S?
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?
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?
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?
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?
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?
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:
Answer explanation
IS codes specify that lap length in tension should be at least 40 times the bar diameter.
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