Message from
Chairman of Central Boilers Board


About Central Boilers
Board


History of Indian Boiler Regulations

Foreword

Contents Chapter
Wise


Contents Regulation
Wise


List of Amendments

Indian Boilers
Act 1923


Ibr Forms

Home

Search

Help

Contact Us

 

Reg. 608, Reg. 609

QUALIFICATION TESTS FOR WELDERS ENGAGED IN WELDING OF BOILERS AND STEAM-PIPES UNDER CONSTRUCTION, ERECTION AND FABRICATION AT SITE IN INDIA AND IN REPAIRING BOILERS AND STEAM-PIPES BY WELDING

Reg 608


Age and experience

 
A candidate who wishes to qualify for a certificate under these Regulations shall not be less than eighteen years of age and shall have undergone a regular apprenticeship of two years in Industrial Training Institutes or an industrial organisation followed by at least one year regular on-job experience as a welder in a workshop or industry.



Reg. 609

Tests for initial qualification of a welder


(A) Theoretical Examination – A welder shall be required to answer questions on the following subjects, orally or otherwise:-

1. Electric Welder:-
  (i) Weld preparation
  (ii) Elementary knowledge of the working of welding equipment.
  (iii) Properties of material to be welded – cold and hot working, thermal conductivity, fusion point, oxidation (for welders engaged in alloy steel welding).
  (iv) Elementary knowledge of electro-technical principles, kinds of current, striking arc voltage, welding-arc voltage.
  (v) Welding defects and their prevention – influence of length of electric arc, effect of excessive or too low amperage, slag inclusions, porosity finishing the surface of welding bead.
  (vi) Electrodes for different types of welds and steels and joints in different positions.
2. Gas Welder:-
  (i) Weld preparation.
  (ii) Working of welding equipment.
  (iii) Elementary knowledge of properties of materials to be welded – cold and hot working, thermal conductivity, fusion point, oxidation (for welders engaged in alloy steel welding).
  (iv) Elementary knowledge of fuel gas and flame adjustments for favourable welding condition.
  (v) Kinds of welds, welding defects and their prevention, welding techniques (right-ward and left-ward, welding with two torches on vertical surface, excess of gas or oxidation, preheating of base material and subsequent heat treatment.
  (vi) Filler metals.
  Next >>>
 
Back   Top
Message from Chairman of Central Boilers Board About Central Boiler Board History of Indian Boiler Regulations Foreword Contents Chapter Wise Contents Regulation Wise List of Amendments
Indian Boilers Act 1923 Ibr Forms Home Search Help Contact Us