Engineering Materials Which of the following material has nearly zero coefficient of expansion? Stainless steel Invar High speed steel Heat resisting steel Stainless steel Invar High speed steel Heat resisting steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of martensite is about RC 80 RC 65 RC 48 RC 57 RC 80 RC 65 RC 48 RC 57 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Wrought iron Can be easily forged or welded All of these Cannot stand sudden and excessive shocks Is a ductile material Can be easily forged or welded All of these Cannot stand sudden and excessive shocks Is a ductile material 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 Aluminium bronze Babbitt metal Gun metal Silicon bronze Aluminium bronze Babbitt metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Super conduction by metals is observed in the temperature range of Around 100°C Above 100°K Below 10°K Around 0°C Around 100°C Above 100°K Below 10°K Around 0°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When a steel containing __________ 0.8% carbon is cooled slowly below the lower critical point, it consists of ferrite and pearlite. More than Equal to Less than None of these More than Equal to Less than None of these ANSWER DOWNLOAD EXAMIANS APP