SSC JE Civil Engineering 30-Oct-2020 Shift 1 Paper

Question : 164 of 200

Marks: +1, -0

Select the correct option from the following regarding ultrasonic pulse velocity test.
1. It is used to measure the strength of wet concrete
2. It is used to obtain estimate of concrete strength of finished concrete elements
3. It is a non-destructive test

1 and 2
1 and 3
1, 2 and 3
2 and 3

Validate

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General condition	Pulse velocity(m/sec)
Excellent	Above 5000
Good	4000-5000
Questionable	3000-4000
Poor	2000-3000
Very poor	Below 2000