List of top Questions asked in OJEE- 2025

Which of the polymerization techniques is used for synthesis of high molecular weight polymer?
Tg of a polymer can be determined by
Which of the following additive is added to control molecular weight?
Terylene is a
The resin mainly used in shell moulding is
The slurry used in precision investment casting is made up of
Who first coined the word ``Macromolecules''?
Which scientist name is associated with discovery of vulcanization?
Which one from the following is Natural Polymer?
Which of the following is a thermoplastic?
The intergranular failure of steels can be prevented by addition of
Coordination number in BCC crystals is
The product particles having radius less than critical radius ($r_c$) during nucleation are known as
The solidification of an alloy starts in a phase diagram from
Solid 1 + Solid 2 $\rightarrow$ Solid 3 (during cooling) denotes
Transformation of eutectoid steels to austenite is known as
Silica refractories are also known as
The dislocations can be generated by using
The two-dimensional defect is
Season-cracking of brass can be prevented by cold-working at
Griffith theory is applicable for
Ductile fracture occurs due to
The unit of diffusion coefficient is
The connecting rods and gear shafts are commonly made using
The austenitic stainless steels is produced by the addition of