Q.1
Which of the following grinding wheel specified in ISO designation will represent Vitrified bond?
  • a) Z 46 K 5 E 17
  • b) C 600 K 5 B 17
  • c) C 8 K 5 R 17
  • d) A 80 K 5 V 17
Q.2
Grinding wheel specified as “C 8 K 5 Rin ISO designation. What is the type of bond present in grinding wheel?
  • a) Vitrified
  • b) Rubber
  • c) Shellac
  • d) Epoxy
Q.3
Which of the following grinding wheel specified in ISO designation will represent Resin bond?
  • a) Z 46 K 5 E 17
  • b) C 600 K 5 B 17
  • c) C 8 K 5 R 17
  • d) A 80 K 5 V 17
Q.4
Which of the following grinding wheel specified in ISO designation will represent Shellac bond?
  • a) Z 46 K 5 E 17
  • b) C 600 K 5 B 17
  • c) C 8 K 5 R 17
  • d) A 80 K 5 V 17
Q.5
Grinding wheel specified as “A 8 K 5 Pin ISO designation. What is the type of bond present in grinding wheel?
  • a) Vitrified
  • b) Rubber
  • c) Shellac
  • d) Epoxy
Q.6
Which of the following will not have open structure?
  • a) A 46 K 5 B 17
  • b) C 600 K 8 B 17
  • c) C 8 K 5 9 17
  • d) A 80 K 10 B 17
Q.7
Which of the following has open structure?
  • a) A 46 K 5 B 17
  • b) C 600 K 8 B 17
  • c) C 8 K 5 3 17
  • d) A 80 K 4 B 17
Q.8
A grinding wheel is specified as “CK 8 R 17”. Which of the following is correct about this grinding wheel?
  • a) Very fine grains
  • b) Open structure
  • c) Aluminum oxide abrasive
  • d) Coarse grain
Q.9
A grinding wheel is specified as “A 5 K 5 R 17”. Which of the following is correct about this grinding wheel?
  • a) Very fine grains
  • b) Open structure
  • c) Aluminum oxide abrasive
  • d) Coarse grain
Q.10
A grinding wheel is specified as “C 5 K 5 R 17”. Which of the following is correct about this grinding wheel?
  • a) Very fine grains
  • b) Open structure
  • c) Rubber bond
  • d) Coarse grain
Q.11
A grinding wheel is specified as “A 8 K 5 P 17”. Which of the following is correct about this grinding wheel?
  • a) Very fine grains
  • b) Open structure
  • c) Rubber bond
  • d) Coarse grain
Q.12
Friability of grinding wheel is associated to
  • a) Hardness
  • b) Fracture
  • c) Size
  • d) None of the mentioned
Q.13
With time, grinding wheel starts rubbing work piece instead of cutting, due to a decrease in sharpness. This phenomenon is known as
  • a) Loading
  • b) Glazing
  • c) Dressing
  • d) Trueing
Q.14
Loss in the sharpness of grinding wheel due to the presence of chips in gaps of grains is termed as
  • a) Loading
  • b) Glazing
  • c) Dressing
  • d) Trueing
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