Exam Questions and Correct
Answers | New Update
Which of the following I'm not a common non-destructive test for welds?
- ANSWER ✔✔Schmidt hammer
What is the most commonly used gas in gas welding? - ANSWER
✔✔Acetylene
By varying the ratio of oxygen to acetylene in gas mixture supplied by
the torch it is possible to vary the efficiency of the combustion and alter
the nature of the flame. If the oxygen supply is slightly greater than the
, supply of acetylene by volume, what is known as.........is resulted. -
ANSWER ✔✔An "oxidizing" flame
Laser beam welding is........ - ANSWER ✔✔A process that fuses
materials with the heat from a concentrated coherent beam impinging
upon the members to be joined.
Which of the following is NOT accurate - ANSWER ✔✔Gas welding
refers to a group of welding processes which produces coalescence of
metals be heating them with an arc.
(Shipbuilding) It is Easier to obtain watertightness and oiltightness with
welded joints, compared to riveting. - ANSWER ✔✔True
Friction Stir welding is a solid-state welding process which produces
coalescence of material by the heat obtained from a mechanically
induced rotating motion between tightly butted surfaces. - ANSWER
✔✔True
Gas welding, arc welding, and resistance welding all provide heat
sources of sufficient intensity to achieve fusion welds. - ANSWER
✔✔True