What is the correct answer?


Which of the following is the most suitable abrasive for grinding high tensile strength materials?

A. Silicon carbide

B. Corundum

C. Aluminium oxide

D. Boron carbide

Correct Answer :

C. Aluminium oxide

Related Questions

Wohler test is a destructive test to find out the __________ strength… Which of the following phenomenon will exhibit the minimum heat transfer? The effect of friction on the flow of steam through a nozzle is to decrease… Fibrous fracture is normally encountered in the __________ materials. Which of the following is not a ferromagnetic material? Pick out the wrong statement A polymer is termed as an 'elastomer', if its percentage elongation is… Absolute zero pressure can be attained at a temperature of Pick out the wrong statement. Case hardening of a material is Sand used to stop the green sand from sticking to the pattern is termed… __________ is a special constituent of chlorophyll without which photosynthesis… Coarse grained steels have Pick out the correct statement Minimum thermal efficiency of a steam boiler may be around __________… The most abundant metal present in the earth's crust is; The elastic strain energy of a unit length of an edge dislocation as compared… Annealing of white cast iron produces __________ iron. Dew point temperature always gives an indication of the __________ of… Baffles provided on the shell side of a shell and tube heat exchanger… In chemical dehumidification process Pick out the wrong statement. Nusselt number is related to Grashoff number (Gr) in turbulent & laminar… Use of flux during soldering is done to Which of the following materials has the poorest electrical conductivity? A material being tested for endurance strength is subjected to the __________… A steam carrying pipeline is insulated with two layers of insulating materials… Encyclopaedia of Chemical Technology has been Half life of a radioactive isotope corresponds to the time required for… The bank of tubes located at the back of the domestic refrigerators are…