List of top Metallurgical Engineering Questions on Manufacturing Processes

Consider the following statements:
Statement-I: In TIG welding, electrode consumption contributes to metal deposition
Statement-II: MIG welding is preferred for automation due to continuous wire feeding
Statement-III: MMAW electrodes require controlled storage conditions
In the AWS electrode classification E6013, the number "60" indicates
Which one of the following pairs is correctly matched?
Consider the following:
Assertion (A): In SAW, the welding arc is not visible during welding.
Reason (R): The arc is completely submerged under a layer of granular flux.
Melting rates of electrodes in manual metal arc welding process is mainly governed by the
Welds made with high heat input will show reduction in
Which of the following is not a solid state metal joining technique?
A tooth paste tube can be produced by
In casting, to promote / provide unidirectional solidification which of the following are used?
A casting defect, which occurs near the ingates as rough lumps on the surface of a casting is known as
Skim bob is attached to
Which of the following welding uses consumable electrode?
Stainless steel is welded using
Forging is accomplished in drop forging by dropping the
Extensive plastic deformation occurs during
Composite products such as pressure vessels, liquid storage tanks and rocket motor castings are made by:
A 200 mm thick slab is rolled using 500 mm diameter rolls under cold rolling and hot rolling conditions, separately. The coefficient of friction is 0.04 in cold rolling and 0.4 in hot rolling. The ratio of maximum possible thickness reduction in cold rolling to that in hot rolling is ................... (round off to 2 decimal places).
Match the components in Column I with corresponding manufacturing processes in Column II.
Column I
(P) Crank shaft
(Q) Machine bed
(R) Automobile brake pad
(S) Beverage can
Column II
(1) Sheet metal forming
(2) Forging
(3) Casting
(4) Powder metallurgy
Match the defects in Column I with corresponding metal forming techniques in Column II.
Column I
(P) Cold shut
(Q) Zipper breaks
(R) Stretcher strains
(S) Center burst
Column II
(1) Rolling
(2) Sheet metal forming
(3) Drawing
(4) Forging
In rolling, the point on the surface of contact between roll and sheet where surface velocity of the roll is equal to velocity of the sheet is referred as