Manufacturing and Production Technology MCQ Practice Test

Practice Test: Question Set - 28

1. Which of the following statement is correct about nose radius?
    (A) It improves tool life
    (B) It improves the surface finish
    (C) Both (A) and (B)
    (D) None of these

2. The main purpose of a boring operation, as compared to drilling, is to
    (A) Drill a hole
    (B) Finish the drilled hole
    (C) Correct the hole
    (D) Enlarge the existing hole

3. Larger end cutting edge angle _________ tool life.
    (A) Increases
    (B) Decreases
    (C) Does not effect
    (D) None of these

4. Cutting fluids are used to
    (A) Cool the tool
    (B) Improve surface finish
    (C) Cool the workpiece
    (D) All of these

5. In a milling operation, two side milling cutters are mounted with a desired distance between them so that both sides of a workpiece can be milled simultaneously. This set up is called
    (A) Gang milling
    (B) Straddle milling
    (C) String milling
    (D) Side milling

6. The operation performed on a shaper is
    (A) Machining horizontal surface
    (B) Machining vertical surface
    (C) Machining angular surface
    (D) All of these

7. A twist drill is specified by its
    (A) Shank, material and diameter
    (B) Shank, lip angle and size of flute
    (C) Material, length of body and helix angle
    (D) Any one of these

8. In the relation VTn = C, the value of n for carbide tools is
    (A) 0.1 to 0.2
    (B) 0.20 to 0.25
    (C) 0.25 to 0.40
    (D) 0.40 to 0.55

9. Slow speed of the spindle is necessary in
    (A) Thread cutting
    (B) Turning a work of larger diameter
    (C) Turning a hard or tough material
    (D) All of these

10. The angle between the face and flank of the single point cutting tool is known as
    (A) Rake angle
    (B) Clearance angle
    (C) Lip angle
    (D) Point angle

11. Tumbler gears in lathe are used to
    (A) Reduce the spindle speed
    (B) Cut gears
    (C) Give desired direction of movement to the lathe carriage
    (D) Drill a workpiece

12. In centreless grinding, the surface speed of regulating wheel is
    (A) 5 to 15 m/min
    (B) 15 to 60 m/min
    (C) 60 to 90 m/min
    (D) 90 to 120 m/min

13. Twist drills are made of
    (A) High speed steel
    (B) Carbon steel
    (C) Stainless steel
    (D) Either (A) or (B)

14. Jigs are used
    (A) For holding and guiding the tool in drilling, reaming or tapping operations
    (B) For holding the work in milling, grinding, planing or turning operations
    (C) To check the accuracy of workpiece
    (D) None of the above

15. Threading is an operation of
    (A) Smoothing and squaring the surface around a hole
    (B) Sizing and finishing a small diameter hole
    (C) Producing a hole by removing metal along the circumference of a hollow cutting tool
    (D) Cutting helical grooves on the external cylindrical surface

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  Set 28
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