Engineering Materials A material is known as allotropic or polymorphic if it Responds to heat treatment Has a fixed structure under all conditions Exists in several crystal forms at different temperatures Has its atoms distributed in a random pattern Responds to heat treatment Has a fixed structure under all conditions Exists in several crystal forms at different temperatures Has its atoms distributed in a random pattern ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The presence of hydrogen in steel causes Reduced neutron absorption cross-section Embrittlement Corrosion resistance Improved Weldability Reduced neutron absorption cross-section Embrittlement Corrosion resistance Improved Weldability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following display properties similar to that of steel? Blackheart cast iron None of these Both (A) and (B) Whiteheart cast iron Blackheart cast iron None of these Both (A) and (B) Whiteheart cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following element results in presence of free graphite in C.I.? Manganese Sulphur Carbon Silicon Manganese Sulphur Carbon Silicon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The molecules in a solid move In circular motion In a random manner In a haphazard way Back and forth like tiny pendulums In circular motion In a random manner In a haphazard way Back and forth like tiny pendulums ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Connecting rod is, usually, made from High carbon steel High speed steel Low carbon steel Medium carbon steel High carbon steel High speed steel Low carbon steel Medium carbon steel ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS