Steel is welded using the ________________ flame ?
Correct answer: B. Neutral
- A. Carburising
- B. Neutral
- C. Oxidising
- D. All A, B. & C
Explanation
A neutral flame supplies approximately equal oxygen and fuel and avoids adding excess carbon or oxygen to the weld. Carburising and oxidising flames can respectively cause carbon pickup and oxidation, so they are not generally used for steel welding.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Plant Design and Economics
803 free Plant Design and Economics MCQs from Chemical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Chemical Engineering questions like this
Chemical Engineering is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Plant Design and Economics questions
Coating thickness in case of galvanising of steel sheet generally corresponds to the deposition of _______________ gms of zinc per m2 of steel strip ?
'Amortization' in respect of financial obligation of a company means the_____________________?
In the formation of cermets, the ratio of ceramic material to metallic material is usually 80:20. Which of the following is a cermet ?
The minimum and the maximum number of members required to form a Private Limited Joint Stock Company are respectively __________________?
_______________ test determines the yield strength, Young's modulus of elasticity, percentage reduction in area & percentage elongation of a material ?
Material of construction of foundry crucible is _________________?