A. Compression
B. Extrusion
C. Shearing
D. Both B & C
Related Mcqs:
- In a drilling process, the metal is removed by both shearing & extrusion. General purpose drills are made of_________________?
A. Stainless steel
B. Mild steel
C. High speed steel
D. High carbon steel - Strain hardening effect in a metal subjected to cold working is due to the ______________ mechanism?
A. Fracture
B. Dislocation
C. Slip
D. Twinning - 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 - Earing is a defect found in steels after the following metal working operation ?
A. Extrusion
B. Rolling
C. Deep drawing
D. Wire drawing - The process of removal of scale formed during hot rolling of steel is termed as_________________?
A. Descaling
B. Shot blasting
C. Pickling
D. Skimming - A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material ?
A. Steel
B. Glass
C. Rubber
D. Brass - One ton of refrigeration is not equivalent to the heat removal rate of ____________________?
A. 200 BTU/minute
B. 50 kcal/minute
C. 50 kJ/sec
D. 3.5 KW - Removal of non-condensable from steam or other vapour is termed as the ________________ process?
A. Condensation
B. Deaeration
C. Scavenging
D. Exhaust - Strain hardening effect in metals subjected to cold working is due to the _______________ mechanism?
A. Slip
B. Fracture
C. Winning
D. Dislocation - In a furnace with heating element temperature at 1700°C, the dominant mechanism of heat transfer will be__________________?
A. Conduction
B. Radiation
C. Natural convection
D. Forced convection
