What is the Shelf life of mould ? (i) 6 months minimum. (ii) 8 months minimum (iii) 9 months minimum* (iv) 12 months minimum Answer : (iii) 9 months minimum*...
What is the life of portion? (i) 2 years (ii) No specific life.* (ii) 6 months (iv) 1 year Answer : (ii) No specific life.*...
The composition of thermit welding team? (i) 7 Nos. (ii) 8 Nos.* (iii) 6 Nos. (iv) 9 Nos
What is the validity of Provisional competency certificate? (i) Valid for executing 50 joints or six months whichever is earlier. (ii) Valid for executing 100 joints or six months whichever is earlier.* (iii) Valid for executing 50 joints. (iv) Valid for six months Answer : (ii) Valid for executing 100 joints or six months whichever is earlier.*...
DFWR weld shall be replaced. (i) Within 2 months of detection. (ii) Within 1 year of detection. (iii) Within 3 months of detection.* (iv) after 3 days of detection. Answer : (iii) Within 3 months of detection.*...
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