A. Aluminium, copper and manganese
B. Aluminium, nickel and silicon
C. Aluminium and nickel
D. None of these
Duralumin is an alloy of_________________? Read More »
Materials and Construction A. Above the highest
B. Above the lowest
C. Between the first & second
D. Between the second & third
Hardening of steel is not possible unless it is heated ______________ critical point? Read More »
Materials and Construction A. Stainless steel containers
B. Paper bags
C. Fibre drums
D. Either B. or C.
DDT is shipped in_________________? Read More »
Materials and Construction A. Carburising
B. Nitriding
C. Cyaniding
D. Annealing
______________ is not a case hardening process? Read More »
Materials and Construction A. High speed steel
B. Shock resisting steel
C. Cold work tool steel
D. None of these
High degree of toughness is a must for__________________? Read More »
Materials and Construction A. Steel
B. Stainless steel
C. Cast iron
D. Wrought iron
Which of the following is the easiest to bend ? Read More »
Materials and Construction A. Thermoplastic materials
B. Nickel
C. Steel or iron
D. None of these
Vessels made of _____________ can be used to store dry chlorine? Read More »
Materials and Construction A. Metallurgical microscope
B. Electron diffraction
C. Spectroscopic techniques
D. X-ray
Electronic structure of a material is generally studied by__________________? Read More »
Materials and Construction A. Brass
B. Copper
C. High carbon steel
D. Aluminium
A. Least
B. Not
C. Mildly
D. Highly
Hydrochloric acid is _______________ corrosive to common metals? Read More »
Materials and Construction