Answer / ramanuj

hardness of grinding wheel is specified by its grit size.

Answer / dinesh

letter of alphabet ( R.K. Jain Objective Q. No. 15.836)

Answer / sunil

hardness of grinding wheel is designated by letterA-Z
A-I HARD
J-P MEDIUM
Q-Z SOFT

Answer / asheesh aswal

A-Z

Answer / prabhath sharma

Hardness of a grinding wheel is specified by GRADE

Answer / kuldeep kumar jaat

strength of the bond of the wheel

Answer / yuvaraj1989

Hardness of grinding wheel is specified by its grade A-Z but its hardness are majorly due to its bonding element and its grain size..

Answer / dineshkumar periannan

hardness of grinding wheel is specified by an Alphabet
Q-z -High grade - Hard wheels - used for soft and ductile materials
J-P - Medium grade
A-I- Soft grade - Soft wheels - Used for Hard and brittle materials

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