Civil Engineering - Concrete Technology - Discussion

7. 

An aggregate which passes through 25 mm I.S. sieve and is retained on 20 mm sieve, is said to be flaky if its least dimension is less than

[A]. 22.5 mm
[B]. 18.5 mm
[C]. 16.5 mm
[D]. 15.5 mm
[E]. 13.5 mm.

Answer: Option E

Explanation:

No answer description available for this question.

Itaf Hussain said: (May 20, 2014)  
(25+20)/2 = 22.5.

Now 3/5 of 22.5 i.e 13.5.

Ankit Katiyar said: (Dec 31, 2015)  
If you want to find elongation index 9/5 of 22.5.

Shadab said: (Nov 13, 2016)  
60% of avg.

0.6 * (25 + 20/2) = 13.5.

Rita said: (Nov 9, 2017)  
20+25/2 = 22.5.
22.5*3/5 = 13.5.

Umesh Kumar said: (Jun 23, 2019)  
(20+25)/2 = 22.5.

Flaky aggregate of dimensions = 22.5*3/5 = 13.5.

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