Engineering Materials The machinability of steel is increased by Silicon and sulphur Phosphorous, lead and sulphur Sulphur, graphite and aluminium Phosphorous and aluminium Silicon and sulphur Phosphorous, lead and sulphur Sulphur, graphite and aluminium Phosphorous and aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The surface hardness of the following order is achieved by nitriding operation 1000 to 1100 VPN 600 VPN 1500 VPN 250 VPN 1000 to 1100 VPN 600 VPN 1500 VPN 250 VPN ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of silicon to aluminium results in Improving machinability Improvement of corrosion resistance Improvement of casting characteristics One of the best known age and precipitation hardening systems Improving machinability Improvement of corrosion resistance Improvement of casting characteristics One of the best known age and precipitation hardening systems ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A material is known as allotropic or polymorphic if it 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 Responds to heat treatment Has a fixed structure under all conditions Exists in several crystal forms at different temperatures ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following has a fine gold colour and is used for imitation jewellery? Gun metal Silicon bronze Babbitt metal Aluminium bronze Gun metal Silicon bronze Babbitt metal Aluminium bronze ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Malleability of a material can be defined as Ability to undergo large permanent deformations in tension All of these Ability to recover its original form Ability to undergo large permanent deformations in compression Ability to undergo large permanent deformations in tension All of these Ability to recover its original form Ability to undergo large permanent deformations in compression ANSWER DOWNLOAD EXAMIANS APP
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