A. Close the surface porosity
B. Break the continuity of columnar grains
C. Flatten the weldment
D. Introduce texture in the weld
A. Venting off (after burning) the excess inflammable/toxic gases at high pressure
B. Absorbing the pollutant gases from the furnace exhaust
C. Cooling of furnace exhaust gases
D. None of these
A. Increasing its cross-sectional area of flow
B. Passing it through a pressure reducing valve
C. Forcing it downwards through a vertical tube
D. None of these
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.