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Reg. 561 d
Test for Class III boiler
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| i) |
Specimens for the following
tests shall be selected from the test plate or plates
and stamped by the Inspecting Officer for identification.
| 1. |
One forward bend
test. |
| 2. |
One reverse bend
test. |
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| ii) |
Radiographic or ultrasonic
examination.- Each longitudinal and circumferential
seams in class III boiler (including shell to end
plate) shall be subjected to spot radiographic or
ultrasonic examination. |
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