Maximum percentage of carbon in ferrite is___________________?

A. 0.025%
B. 0.06%
C. 0.1%
D. 0.25%

Railway rails are normally made of_______________?

A. Mild steel
B. Alloy steel
C. High carbon
D. Tungsten steel

Pick up the wrong statement Nickel and chromium in steel help in _________________?

A. Providing corrosion resistance
B. Improving machining properties
C. Providing high strength at elevated temperatures
D. Raising the elastic limit

Eutectoid steel contains following percentage of carbon_______________?

A. 0.02%
B. 0.3%
C. 0.63%
D. 0.8%

Basic constituents of Monel metal are _________________?

A. Nickel, copper
B. Nickel, molybdenum
C. Zinc, tin, lead
D. Nickel, lead and tin

Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is__________________?

A. silver metal
B. duralumin
C. hastelloy
D. monel metal

By severely deforming a metal in a particular direction it becomes _________________?

A. ductile
B. malleable
C. homogeneous
D. isotropic

An engineer’s hammer is made of___________________?

A. Cast iron
B. Forged steel
C. Mild steel
D. High carbon steel

The loss of strength in compression with simultaneous gain in strength in tension due to overloading is known as________________?

A. Hysteresis
B. Creep
C. Visco elasticity
D. Boeschinger effect

Cyaniding is the process of________________?

A. Dipping steel in cyanide bath
B. Reacting steel surface with cyanide salts
C. Adding carbon and nitrogen by heat treatment of steel to increase its surface hardness
D. Obtaining cyanide salts