Q.1
Which of the following will be better to use for machining of soft work piece?
  • a) V-bond
  • b) R-bond
  • c) Both V and R bond
  • d) None of the mentioned
Q.2
Which of the following grinding wheel would be more economical for grinding of hard work piece?
  • a) Soft grinding wheel
  • b) Hard grinding wheel
  • c) Both hard and soft grinding wheel
  • d) None of the mentioned
Q.3
Which of the following grinding wheel would be more economical for grinding of soft work piece?
  • a) Soft grinding wheel
  • b) Hard grinding wheel
  • c) Both hard and soft grinding wheel
  • d) None of the mentioned
Q.4
Which of the following grinding wheel would be more economical for grinding of hard work piece?
  • a) Open structure grinding wheel
  • b) Dense structure wheel
  • c) Both dense and open structure grinding wheel
  • d) None of the mentioned
Q.5
Which of the following grinding wheel would be more economical for grinding of soft work piece?
  • a) Open structure grinding wheel
  • b) Dense structure wheel
  • c) Both dense and open structure grinding wheel
  • d) None of the mentioned
Q.6
Material removal rate of grinding process in comparison to material removal rate in facing on a lathe is
  • a) Small
  • b) Large
  • c) Same
  • d) Can’t say about material removal rate
Q.7
Material removal rate in grinding operation is small due to
  • a) Negative rake angle
  • b) Positive rake angle
  • c) Zero rake angle
  • d) Material removal rate does not depend on the rake angle
Q.8
Material removal rate in grinding operation is small due to
  • a) Only small portion of abrasives are involved in cutting
  • b) Positive rake angle
  • c) Zero rake angle
  • d) Material removal rate does not depend on the rake angle
Q.9
Material removal rate in grinding operation is small due to
  • a) Large portion of abrasives are involved in cutting
  • b) Positive rake angle
  • c) Due to temperature rise during grinding
  • d) Material removal rate does not depend on the rake angle
Q.10
Grinding ratio generally lies between
  • a) 0.5-10
  • b) 100-200
  • c) 1000-200
  • d) 30-40
0 h : 0 m : 1 s