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- Question
Discontinuous chips are formed during machining of
Options- A. brittle metals
- B. ductile metals
- C. hard metals
- D. soft metals
- Correct Answer
- brittle metals
- 1. In a planer
Options- A. tool is stationary and work reciprocates
- B. work is stationary and tool reciprocates
- C. tool moves over stationary work
- D. tool moves over reciprocating work Discuss
- 2. The floating position of the holding fixture in a rotary transfer device is used to
Options- A. improve the accuracy of location
- B. reduce the tendency to over-index
- C. improve upon the acceleration and deceleration characteristics
- D. reduce the cycle time Discuss
- 3. A round nose tool has no back rake and side rake.
Options- A. Correct
- B. Incorrect Discuss
- 4. In a plain milling cutter, the portion of the gash adjacent to the cutting edge on which the chip impinges is called
Options- A. face
- B. fillet
- C. land
- D. lead Discuss
- 5. The process of changing the shape of grinding wheel as it becomes worn due to breaking away of the abrasive and bond, is called
Options- A. truing
- B. dressing
- C. facing
- D. clearing Discuss
- 6. The lathe centres are provided with standard taper known as
Options- A. Morse taper
- B. Seller's taper
- C. Chapman taper
- D. Brown and Sharpe taper Discuss
- 7. The operation of smoothing and squaring the surface around a hole is known as
Options- A. counter-sinking
- B. counter-boring
- C. trepanning
- D. spot facing Discuss
- 8. In metal cutting operations, the shear angle is the angle made by the shear plane with the
Options- A. direction of the tool axis
- B. direction of tool travel
- C. perpendicular to the direction of the tool axis
- D. central plane of the workpiece Discuss
- 9. An operation of enlarging the end of a hole cylindrically is known as grooving.
Options- A. Correct
- B. Incorrect Discuss
- 10. Which of the following statement is wrong as regard to down milling?
Options- A. It can not be used on old machines due to backlash between the feed screw of the table and the nut.
- B. The chips are disposed off easily and do not interfere with the cutting.
- C. The surface milled appears to be slightly wavy.
- D. The coolant can be poured directly at the cutting zone where the cutting force is maximum. Discuss
Production Engineering problems
Search Results
Correct Answer: tool is stationary and work reciprocates
Correct Answer: reduce the cycle time
Correct Answer: Correct
Correct Answer: face
Correct Answer: truing
Correct Answer: Morse taper
Correct Answer: spot facing
Correct Answer: direction of tool travel
Correct Answer: Incorrect
Correct Answer: The surface milled appears to be slightly wavy.
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