Engineering Materials Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is Duralumin Invar Silver metal Hastelloy Duralumin Invar Silver metal Hastelloy ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In full annealing, the hypo eutectoid steel is heated from 30°C to 50°C above the upper critical temperature and then cooled Slowly in the furnace Any one of these In still air Suddenly in a suitable cooling medium Slowly in the furnace Any one of these In still air Suddenly in a suitable cooling medium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In malleable iron, carbon is present in the form of Flakes Cementite Free carbon Nodular aggregates of graphite Flakes Cementite Free carbon Nodular aggregates of graphite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing carbon ________ 4.3% are known as hyper-eutectic cast irons. More than Less than None of these Equal to More than Less than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The defect which takes place due to imperfect packing of atoms during crystallization is known as Surface defect None of these Line defect Point defect Surface defect None of these Line defect Point defect ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Brass contains 70% copper and 30% zinc 90% copper and 10% tin 70 - 75% copper and rest tin 85 - 92% copper and rest tin with little lead and nickel 70% copper and 30% zinc 90% copper and 10% tin 70 - 75% copper and rest tin 85 - 92% copper and rest tin with little lead and nickel ANSWER DOWNLOAD EXAMIANS APP