31) Quick return mechanism is employed in
Answer is:
Shaper
![Quick return mechanism is employed in](https://mcqfinder.in/uploads/images/question-papers/isro-technician-b-machinist-2012-set-1/isro-technician-b-machinist-2012-set-1-id-31-e.jpg)
ISRO Technician-B Machinist Question Paper - 2012 (Set -1) with Answer Key
For more MCQ's Click HereRelated ISRO Technician-B Machinist Question Paper - 2012 (Set -1) with Answer Key
Answer is:
Drilling
![A point to point control system is suitable only for one of tlhe following oprations](https://mcqfinder.in/uploads/images/question-papers/isro-technician-b-machinist-2012-set-1/isro-technician-b-machinist-2012-set-1-id-32-e.jpg)
Answer is:
Suitable for wet and dry grinding
![Which one of the following features refer to vitrified bonded wheel?](https://mcqfinder.in/uploads/images/question-papers/isro-technician-b-machinist-2012-set-1/isro-technician-b-machinist-2012-set-1-id-33-e.jpg)
Answer is:
Face plate
Explanation:
Faceplates are used to hold work that is too large or of such a shape that it cannot be held in a chuck or between centers. Faceplates are equipped with several slots to permit the use of bolts to secure the work, so that the axis of the work-piece may be aligned with the lathe centers. When work is mounted off – center, a counterbalance should be fastened to the faceplate to prevent imbalance and the resultant vibrations when the lathe is in operation.
![An irregular shaped work piece is turned on a lathe. Which one of the following work holding accessory is used?](https://mcqfinder.in/uploads/images/question-papers/isro-technician-b-machinist-2012-set-1/isro-technician-b-machinist-2012-set-1-id-34-e.jpg)
Answer is:
Morse taper
Explanation:
Morse taper is used on spindle nose of the lathe head stock. The small female taper is a Morse taper to take a lathe center or a tool such as a twist drill. The large male taper takes a lathe chuck, which is retained by the large nut.