Multiple Choice Questions on Milling Machine - Set 05 - ObjectiveBooks

Multiple Choice Questions on Milling Machine - Set 05

Practice Test: Question Set - 05


1. Which type of milling machine is ideally suitable for boring, pocket milling, profile milling and for keyways in the middle of the shaft?
    (A) Plain milling machine
    (B) Vertical milling machine
    (C) Universal milling machine
    (D) Special type milling machine

2. To what angle must the milling machine table be swiveled to cut a helix having a lead of 450 mm on a workpiece of Dia 40 mm?
    (A) 18° 12'
    (B) 17° 24'
    (C) 16° 18'
    (D) 15° 36'

3. Which among the following statements is NOT correct?
    (A) The column is the main supporting frame of a milling machine
    (B) The table of a milling machine is provided with 'V' slots for mounting workpiece on it
    (C) The saddle of a milling machine moves horizontally to provide cross feed
    (D) The table of a milling machine moves the workpiece longitudinally

4. Which among the following is the purpose of finish milling?
    (A) To bring the workpiece to the required dimensions
    (B) To bring the workpiece to the required surface finish
    (C) To bring the workpiece to the required dimensions and to bring the workpiece to the required surface finish
    (D) None of these

5. Which milling process the cutting is done on the end of the cutter as well as periphery?
    (A) Plain or slab milling
    (B) Side milling
    (C) Face milling
    (D) End milling

6. A slot is to be milled with a 16 mm slot mill cutter. If cutting speed is 20 m / min., the rpm of the machine should be:
    (A) 397.90
    (B) 198.90
    (C) 99.50
    (D) 795.77

7. Rotary table is used on milling machine to achieve
    (A) Longitudinal movement
    (B) Cross movement
    (C) Combination of longitudinal and cross movements
    (D) Combination of longitudinal, cross and vertical movements

8. A milling attachment is mounted on a milling machine. Which one of the following is used to transmit spindle motion to the milling attachment?
    (A) Chain and wheel
    (B) Belt and pulley
    (C) Worm and worm wheel
    (D) Couplings

9. In milling, feed is defined as the rate at which the work is fed to the revolving cutter. Which is the correct expression for the unit of feed rate in milling?
    (A) m/min
    (B) mm/rev
    (C) mm sec
    (D) mm/min

10. A 1.5 mm displacement of tool point in boring operation will result in change in diameter equal to:
    (A) 0.75 mm
    (B) 1.5 mm
    (C) 3 mm
    (D) 6 mm

11. A steel workpiece of high tensile strength is to be machined with a HSS milling cutter. Which one of the following rake angles is best suitable for the cutter?
    (A) 8°
    (B) 12°
    (C) 20°
    (D) 28°

12. Which type of attachment is used for cutting helical threads, gears?
    (A) Slotting attachments
    (B) High speed attachments
    (C) Vertical milling attachments
    (D) Universal spiral attachments

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