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Standard IX
Physics
Distance and Displacement
The value of ...
Question
The value of pulse velocity of good quality concrete should be:
A
More than 3.5 km/s
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B
Less than 3.5 km/s
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C
Less than 2.0 km/s
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D
None of the above
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Solution
The correct option is
A
More than 3.5 km/s
The value of pulse velocity of good quality concrete should be more than 3.5 km/s.
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Q.
Consider the following statements related to 'non-destructive testing' of concrete:
1. Indentation test is used to assess the quality of concrete.
2. The Resonant Frequency Method is based on a laboratory test.
3. Compressive strength of concrete is estimated through Pulse Velocity Measurement.
4. Dynamic Modulus of Elasticity is determined by a Sonometer Test.
5. Thickness of concrete can be estimated by in-situ Rebound Hammer Test.
Which of the above statements are correct?
Q.
Consider the following statements:
Ultrasonic pulse velocity test to measure the strength of concrete is
1. used to measure the strength of wet concrete
2. used to obtain estimate of concrete strength of finished concrete elements
3. a non-destructive test
Which of these statements are correct?
Q.
Consider the following statements:
Ultrasonic pulse velocity test is to measure the strength of concrete is
1. used to measure the strength of wet concrete.
2. used to obtain estimate of concrete strength of finished concrete elements.
3. a destructive test.
4. a non-destructive test.
Which of these statement is/are correct?
Q.
For ensuring quality of concrete, use:
Q.
The strength and quality of concrete depends on:
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