Manufacturing Engineering Multiple Choice Questions on “Jigs and Fixtures”.
1. With the use of Jigs and fixture total cost of production
a) Increases
b) Decreases
c) Remains same
d) Jigs are not used in any production process
Answer: b
Clarification: Total cost of production decreases with the use of jigs and fixture. Jigs are holding device and fixture are generally used for the bigger work piece.
2. With the use of Jigs and fixture rate of production will
a) Increase
b) Decrease
c) Remains same
d) Jigs are not used in any production process
Answer: a
Clarification: Total production increase with the use of jigs and fixture. Jigs are holding device and fixture are generally used for the bigger work piece.
3. Jigs and fixture increases the accuracy of the parts.
a) True
b) False
Answer: a
Clarification: Accuracy of parts increases by use of jigs and fixture. Jigs are holding device and fixture are generally used for the bigger work piece.
4. Jigs And fixture are used to provide interchangeability.
a) True
b) False
Answer: a
Clarification: Interchangeability of parts increases by use of jigs and fixture. Jigs are holding device and fixture are generally used for the bigger work piece.
5. With the use of Jigs and fixture quality control expenses will
a) Reduce
b) Increases
c) Jigs and fixture are not used in any production process
d) None of the mentioned
Answer: a
Clarification: Jigs and fixture increase accuracy. Jigs are holding device and fixture are generally used for bigger work piece. Interchangeability of parts increases by use of jigs and fixture.
6. With the use of Jigs and fixture
a) Labour cost decreases
b) Labour cost increases
c) Labour cost decreases
d) None of the mentioned
Answer: a
Clarification: Less skilled labour required. Interchangeability of parts increases by use of jigs and fixture. Jigs and fixture increases accuracy. Jigs are holding device and fixture are generally used for bigger work piece.
7. Which of the following is not correct about fixture?
a) It is used to hold the work
b) It is used to position the work the work
c) It assures high accuracy of parts
d) It is used to guide the cutting tool
Answer: d
Clarification: Fixture do not guide cutting tool. jigs and fixture increases accuracy. Jigs are holding device and fixture are generally used for bigger work piece.
8. Which of the following is not correct about jig?
a) It is used to hold the work
b) It is used to position the work the work
c) It is used to guide the cutting tool
d) None of the mentioned
Answer: d
Clarification: All of the mentioned are correct about jigs. Jigs and fixture increases accuracy. Jigs are holding device and fixture are generally used for bigger work piece.
9. In which of the following operation jigs are preferred over fixture?
a) Drilling
b) Turning
c) Milling
d) Grinding
Answer: a
Clarification: Jigs and fixture increases accuracy. Jigs are holding device and fixture are generally used for bigger work piece. Jigs are preferred over fixture in drilling because they also help in guidance of tool.
10. Number of degree of freedom of a workpiece in space is equal to
a) 10
b) 12
c) 14
d) 16
Answer: b
Clarification: Work piece has 16 degree of freedom. It can have 16 different movements.