classified into a) Two b) Based on shape, the backnia sende 6) Three () Four b) Five ALG 1:00
Answers
Answer:
Explanation:
This set of Concrete Technology Multiple Choice Questions & Answers (MCQs) focuses on “Classification of Aggregates”
1. According to geological origin, aggregates is/are classified into __________ types.
a) 1
b) 2
c) 3
d) 4
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2. According to size, aggregates is/are classified into __________ types.
a) 1
b) 2
c) 3
d) 4
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3. What is the total percentage of aggregates in concrete by volume?
a) 50-60%
b) 60-75%
c) 85%
d) 50%
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4. What is the size of fine aggregates?
a) 4.75mm
b) < 4.75mm
c) > 4.75mm
d) 12mm
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5. What is the size of coarse aggregates?
a) 4.75mm
b) < 4.75mm
c) > 4.75mm
d) 12mm
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6. Crushed stone, gravel and ordinary sand are examples of ___________
a) Lightweight aggregate
b) Normal-weight aggregate
c) Heavy-weight aggregate
d) Both Normal-weight aggregate and Heavy-weight aggregate
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7. Which type of aggregate is shown below?
Angular aggregate is a type of aggregate formed at intersection of roughly planar faces
a) Angular aggregate
b) Rounded aggregate
c) Flaky aggregate
d) Irregular or partially aggregate
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8. Which type of aggregate is shown below?
Flaky aggregate is a type of aggregate with thickness is small relative to the width
a) Angular aggregate
b) Rounded aggregate
c) Flaky aggregate
d) Irregular or partially aggregate
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9. Which type of aggregate is shown below?
Rounded aggregate is a type of aggregate shaped by attrition found in river or sea shore
a) Angular aggregate
b) Rounded aggregate
c) Flaky aggregate
d) Irregular or partially aggregate
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10. Aggregate crushed before the application of full load of ___________
a) 10ton
b) 20ton
c) 30ton
d) 40ton
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