79) What is the quenching media used in heat treatment to obtain faster rate of cooling?
Answer is:
Brine solution
Related Assembly MCQ with Answers
Answer is:
Square head screws
83) What is the name of nut having top part in cylindrical shape and bottom part in hexagonal shape?
Answer is:
Castle nuts
Explanation:
These nuts have special provision in the form of slots for fixing split pins for locking the nuts. Slotted nuts are hexagonal shaped throughout. In case of castle nuts, the top part of the nut is cylindrical in shape.
