Lathe Machine Parts and Functions Objective Questions - Set 10 - ObjectiveBooks
Lathe Machine Parts and Functions Objective Questions - Set 10

Lathe Machine Parts and Functions Objective Questions - Set 10

Practice Test: Question Set - 10

1. Which among the following taper turning methods is used for cutting steep taper?
    (A) Set over method
    (B) Taper turning attachment
    (C) Form tool
    (D) Swiveling the compound rest
2. Which of the following factors governs the selection of feed when turning a workpiece?
    (A) Tool geometry
    (B) Surface finish required
    (C) Type of coolant required
    (D) All of the above
3. Counter boring is done for
    (A) Deburring hole ends
    (B) Enlarging holes to accurate size
    (C) Finishing cored holes
    (D) Accommodating socket head screws
4. Which among the following parts of a lathe should have high compressive strength?
    (A) Bed
    (B) Main spindle
    (C) Lead screw
    (D) Sliding gears in headstock
5. Which one of the following statements in respect of thread chasing dial is NOT correct?
    (A) Thread chasing dial is used to catch the thread when threading on lathe
    (B) Worm gear of chasing dial engages with the lead screw while thread chasing
    (C) Thread chasing dial is an additional part of the lathe carriage
    (D) Thread chasing dial stops rotating when the half nut lever is engaged
6. To get a fine even surface on a workpiece by facing operation on lathe, it is necessary to have
    (A) Low cutting speed, fine feed and heavy depth of cut
    (B) Low cutting speed, fine feed and light depth of cut
    (C) High cutting speed, fine feed and light depth of cut
    (D) High cutting speed, fine feed and heavy depth of cut
7. A jib is provided between the top slide and swivel base assembly of the compound slide. Its purpose is to
    (A) Allowing dismantling of the top slide easily
    (B) Eliminate the backlash of the screw and the nut in the assembly
    (C) Adjust the slackness developed due to wear
    (D) Permit flow of the lubricant between the sliding surfaces
8. The amount of tailstock offset for taper turning is done by the set screws provided. The procedure to be followed is:
    (A) Loosen both screws and push the body to the amount of offset
    (B) Loosen both the screws and push the base to the amount of offset
    (C) Loosen the screws opposite to the direction of movement and tighten the other screw
    (D) Loosen the screw on the direction of movement and tighten the other screw
9. Which one of the following centers is suitable when workpiece held between centers is to be turned at high speed?
    (A) Ball centre
    (B) Half centre
    (C) Pipe centre
    (D) Revolving centre
10. An irregularly shaped workpiece in turned on a lathe. Which one of the following work holding accessories is used?
    (A) Three-jaw chuck
    (B) Two-jaw chuck
    (C) Driving plate
    (D) Face plate
11. A fixed steady has
    (A) One adjustable pad
    (B) Two adjustable pads
    (C) Three adjustable pads
    (D) Four adjustable pads
12. Which one of the following angles in the lathe tool helps for easy flow of chips?
    (A) Top rake angle
    (B) Front clearance angle
    (C) Side clearance angle
    (D) Back clearance angle
13. The tip of a cemented carbide tool is joined on the shank by
    (A) Welding
    (B) Brazing
    (C) Soldering
    (D) Clamping with a screw
14. The chip breaker on a lathe tool is essential when
    (A) Turning soft material
    (B) Turning ductile materials and to break the chips
    (C) Turning cast iron
    (D) Turning hardened materials
15. Which one of the following tapers is used for making shank of lathe centers?
    (A) Morse standard taper
    (B) Brown and Sharpe taper
    (C) Jarno taper
    (D) Non-standard taper
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