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Which of the following will not have open structure?
A 80 K 10 B 17
C 8 K 5 9 17
C 600 K 8 B 17
A 46 K 5 B 17
Correct Answer: D — A 46 K 5 B 17
Explanation:
Fourth place of ISO designation of the grinding wheel represents Structure and “5” comes under dense structure.
Grinding wheel specified as "A 8 K 5 P 17" in ISO designation. What is the type of bond present in grinding wheel?
Vitrified
Shellac
Rubber
Epoxy
Correct Answer: D — Epoxy
Explanation:
Fifth place of ISO designation of the grinding wheel represents a type of bond and "P" represents Epoxy bond.
Which of the following grinding wheel specified in ISO designation will represent Shellac bond?
C 8 K 5 R 17
Z 46 K 5 E 17
C 600 K 5 B 17
A 80 K 5 V 17
Correct Answer: B — Z 46 K 5 E 17
Explanation:
Fifth place of ISO designation of the grinding wheel represents a type of bond and “E” represents shellac.
Which of the following grinding wheel specified in ISO designation will represent Resin bond?
A 80 K 5 V 17
Z 46 K 5 E 17
C 600 K 5 B 17
C 8 K 5 R 17
Correct Answer: C — C 600 K 5 B 17
Explanation:
Fifth place of ISO designation of the grinding wheel represents the type of bond and “B” represents resin bond.
Grinding wheel specified as "C 8 K 5 R 17" in ISO designation. What is the type of bond present in grinding wheel?
Vitrified
Shellac
Epoxy
Rubber
Correct Answer: D — Rubber
Explanation:
Fifth place of ISO designation of the grinding wheel represents a type of bond and “R” represents rubber.
Which of the following grinding wheel specified in ISO designation will represent Vitrified bond?
C 600 K 5 B 17
C 8 K 5 R 17
Z 46 K 5 E 17
A 80 K 5 V 17
Correct Answer: D — A 80 K 5 V 17
Explanation:
Fifth place of ISO designation of the grinding wheel represents a type of bond and “V” represents Vitrified bond type.
