Manufacturing Engineering Problems on “Grinding Wheel-2”.
1. Which of the following range of numbers represents dense structure of abrasives?
a) 0-7
b) 8-10
c) 10-12
d) 12-16
Answer: a
Clarification: 0 – 7 represents dense structures. It represents distance between the grain in grinding wheel.
2. Which of the following range of numbers represents open structure of abrasives?
a) 0-3
b) 4-6
c) 8-16
d) None of the mentioned
Answer: c
Clarification: 8 – 16 represents open structure. It represents distance between the grain in grinding wheel.
3. Which of the following represents the correct symbol of vertified bond in a specification of grinding wheel?
a) V
b) R
c) B
d) S
Answer: a
Clarification: ‘V’ represents for vertified bond. Fifth place of ISO designation of grinding wheel represents type of bond.
4. Which of the following represents the correct symbol of rubber bond in a specification of grinding wheel?
a) V
b) R
c) B
d) S
Answer: b
Clarification: ‘R’ represents for rubber bond. Fifth place of ISO designation of grinding wheel represents type of bond.
5. Which of the following represents the correct symbol of Resin bond in a specification of grinding wheel?
a) V
b) R
c) B
d) S
Answer: b
Clarification: ‘B’ represents for resin bond. Fifth place of ISO designation of grinding wheel represents type of bond.
6. Resin bond is also known
a) Vertified bond
b) Rubber bond
c) Silicate bond
d) Bakelite bond
Answer: d
Clarification: Resin bond is also known as Bakelite bond and is represented by symbol ‘B’. Fifth place of ISO designation of grinding wheel represents type of bond.
7. Which of the following represents the correct symbol of Silicate bond in a specification of grinding wheel?
a) V
b) R
c) B
d) S
Answer: d
Clarification: ‘S’ represents for Silicate bond. Fifth place of ISO designation of grinding wheel represents type of bond.
8. Which of the following represents the correct symbol of Shellac bond in a specification of grinding wheel?
a) V
b) P
c) B
d) S
Answer: b
Clarification: ‘P’ represents for shellac bond. Fifth place of ISO designation of grinding wheel represents type of bond.
9. Which of the following represents the correct symbol of epoxy bond in a specification of grinding wheel?
a) V
b) R
c) P
d) S
Answer: b
Clarification: ‘P’ represents for epoxy bond. Fifth place of ISO designation of grinding wheel represents type of bond.
10. Which of the following will be better to use for machining of hard work piece?
a) V-bond
b) R-bond
c) Both V and R bond
d) None of the mentioned
Answer: a
Clarification: Vertified bond grinding wheel is generally used for machining of hard work piece. Fifth place of ISO designation of grinding wheel represents type of bond.
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