A. Wrought iron
B. Steel
C. Cast iron
D. None of these
Related Mcqs:
- Amount of energy that a material can absorb before its fracture is a measure of its _________________?
A. Toughness
B. Resilience
C. Malleability
D. Ductility - Which of the following comprises of hydrocarbons ?
A. Mica flakes
B. Glass
C. Rubber
D. None of these - Which of the following is not shipped in mild steel containers ?
A. Acetone
B. Ammonia
C. Ethyl alcohol
D. Formic acid - Straight silicon steel (containing Si from 0.5 to 5%) because of their low hysteresis loss and high magnetic permeability are used for electrical appliances. Which of the following electrical appliances made of silicon steel contains maximum percentage of silicon (about 4%) ?
A. Armature of small motors/generators
B. Generators and small motors
C. Induction motors
D. High frequency transformers - Which of the following is not a non-ferrous alloy ?
A. Meehanite
B. Magnalium
C. Gun metal
D. Muntz metal - Which of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (1/20th of ordinary metals) ?
A. Invar
B. Constantan
C. Chromel
D. Alumel - Which of the following is not an alloy of tin ?
A. White-bearing metal
B. Pewter type metal
C. Soft solder
D. German silver - Which of the following is the hardest _______________?
A. Cementite
B. Pearlite
C. Austenite
D. Ferrite - Which of the following exercises most powerful influence on the mechanical properties of steel ?
A. Manganese
B. Carbon
C. Phosphorous
D. Silicon - Which of the following crystal structures characterises the austenitic stainless steel ?
A. Simple hexagonal
B. Body centred cubic
C. Face centred cubic
D. None of these
