A. Lancing
B. Shot peening
C. Slugging
D. Spinning
Related Mcqs:
- Solidification time of a molten metal in a casting is proportional to (where, V = volume of metal & A = its surface area; in the casting) ?
A. V/A
B. V/A2
C. V2/A
D. V2/A2 - ______________ cannot increase the fatigue strength of a material?
A. Grain refining
B. Grain coarsening
C. Surface hardening
D. Shot peening - Stresses encountered in the metal forming processes are less than the _____________ of the material?
A. Fracture strength
B. Yield strength
C. Elastic limit
D. Limit of proportionality - Oxide layer formed on the non-ferrous metal surface after its annealing is__________________?
A. Removed by acid pickling
B. Hammered into the surface
C. Removed with coarse emery cloth
D. Left as such to protect the surface - Wohler test is a destructive test to find out the ___________________ strength of a prepared metal specimen ?
A. Creep
B. Fatigue
C. Endurance
D. Tensile - Yield strength of a polycrystalline metal with an average grain size „d’, is proportional to ____________________?
A. d1/2
B. d-1/2
C. d
D. d-1 - Hot dipping process is used for coating a low melting point metal (e.g. Pb, Sn, Zn) on iron, steel & copper having relatively higher melting points. Which of the following is not a hot dipping process ?
A. Galvanising
B. Tinning
C. Sherardizing
D. None of these - Insulation of liquid surface can be achieved by _____________ on top of its surface?
A. Floating hollow polypropylene spheres
B. Spraying alumina powder
C. Putting cement
D. None of these - Suitability of steel for its use in cable is judged by its strength in__________________?
A. Tension
B. Compression
C. Torsion
D. Shear - Damage to metal surface by mechanical action is called____________________?
A. Pitting
B. Corrosion
C. Erosion
D. None of these
