Grey cast iron has? Mark as favorite Copy Link carbon in the form of free graphite high tensile strength low compressive strength all of these Check Answer
Which of the following has a fine gold colour and is used for imitation jewellery? Mark as favorite Copy Link Silicon bronze Aluminium bronze Gun metal Babbit metal Check Answer
Which one of the following sets of constituents is expected in equilibrium cooling of a hyper eutectoid steel from austenitic state? Mark as favorite Copy Link Ferrite and pearlite Cementite and pearlite Ferrite and bainite Cementite and martensite Check Answer
The stiffness is the ability of a material to resist? Mark as favorite Copy Link deformation under stress fracture due to high impact loads externally applied forces with breakdown or yielding none of the above Check Answer
Steel containing 0.8 to 1.5% carbon, is known as? Mark as favorite Copy Link mild steel dead mild steel medium carbon steel high carbon steel Check Answer
Brass is an alloy of? Mark as favorite Copy Link copper and zinc copper and tin copper, tin and zinc none of these Check Answer
Iron ore is, usually, found in the form of? Mark as favorite Copy Link oxides carbonates sulphides all of these Check Answer
The defect which takes place due to imperfect packing of atoms during crystallisation is known as? Mark as favorite Copy Link line defect surface defect point defect none of these Check Answer
When a steel containing more than 0.8% carbon is cooled slowly below the lower critical point, it consists of? Mark as favorite Copy Link mainly pearlite mainly ferrite ferrite and pearlite pearlite and cementite Check Answer
The approximate height of a blast furnace is? Mark as favorite Copy Link 10m 20m 30m 40m Check Answer