Which of the following is correct regarding the Charpy toughness test: P. The sample is held vertically as cantilever beam. Q. The sample is held horizontally as simply supported beam. R. The Notch in the sample faces the striking hammer. S. The Notch in the sample is opposite to the striking hammer.?

Question

Which of the following is correct regarding the Charpy toughness test: P. The sample is held vertically as cantilever beam. Q. The sample is held horizontally as simply supported beam. R. The Notch in the sample faces the striking hammer. S. The Notch in the sample is opposite to the striking hammer.?

P, R
P, S
Q, R
Q, S

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

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Which is the following is example of Simply supported?

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AhmedNazir · Accepted Answer · 2022-09-04T04:29:57+06:00

Option 4 : Q, S

Explanation:

The toughens test is conducted to study the behaviour of material under dynamic load conditions (at high rate of loading).

Two tests are there for toughness test:

i) Charpy Impact test

ii) Izod impact test

Charpy test:

The Charpy geometry consists of a simply supported beam with a centrally applied load on the reverse side of beam from the notch.

The notch serves to create a stress concentration and to produce a constrained multiaxial state of tension a small distance below the bottom of Notch.

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Izod test:

The Izod test involves a pendulum impact, but the Izod specimen geometry consists of a cantilever beam with the notch located on the same side as the impact point.