- (A) cast iron
- (B) forged steel
- (C) mild steel
- (D) high carbon steel
- (E) H.S.S
Mechanical Engineering Mcqs
- (A) ductile
- (B) malleable
- (C) homogeneous
- (D) isotropic
- (E) anisotropic
- (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
- (E) making corrosion resistant steel
- (A) hysteresis
- (B) creep
- (C) visco elasticity
- (D) Boeschinger effect
- (E) inelasticity
- (A) 600 VPN
- (B) 1500 VPN
- (C) 1000 to 1100 VPN
- (D) 250 VPN
- (E) 2000 VPN
- (A) It contains carbon of the order of 0 to 0.25%
- (B) It melts at 1535°C
- (C) It is very soft and ductile
- (D) It can be easily forge welded
- (E) It is made by adding suitable percent¬age of carbon to molten iron and subjecting the product to repeated hammering and rolling
- (A) allotropic change
- (B) recrystallisation
- (C) heat treatment
- (D) precipitation
- (E) austempering
- (A) high tensile strength
- (B) its elastic limit close to the ultimate breaking strength
- (C) high ductility
- (D) all of the above
- (E) none of the above
- (A) free form
- (B) combined form
- (C) nodular form
- (D) flat form
- (E) partly in free and partly in combined state
- (A) compressive strength
- (B) ductility
- (C) carbon content
- (D) hardness
- (E) surface finish
