Q.1
What are thread chasers?
  • a) Multipoint cutting tool
  • b) Single point cutting tool
  • c) A work holding device
  • d) None of the mentioned
Q.2
Total load is distributed over all teeth when thread cutting is done using thread chaser.
  • a) True
  • b) False
Q.3
Which of the following is the correct reason for keeping transverse force minimum in turning of slender rod?
  • a) To enhances surface finish
  • b) To increase productivity
  • c) To increase efficiency of cutting
  • d) To reduce undesired vibration during turning
Q.4
Self centered chuck has ___ number of jaws.
  • a) 10
  • b) 1
  • c) 2
  • d) 3
Q.5
During groove cutting in a lathe, by using a parting tool, which of the following forces are encountered?
  • a) Tangential
  • b) Radial
  • c) Tangential, Radial and Axial
  • d) Tangential and Radial
Q.6
Which of the following will give the best result for taper turning on the internal surface?
  • a) Using tailstock offset method
  • b) Using taper attachment method
  • c) Using form tool
  • d) Using compound rest method
Q.7
Lead screw of lathe have double start thread with a pitch of 4mm. What should be the ratio of speed between lead screw and spindle for producing a single start thread of 2 mm pitch?
  • a) 1:2
  • b) 1:3
  • c) 1:4
  • d) 1:5
Q.8
Let screw of 2mm pitch is needed to be cut on lathe machine. Lead screw of lathe has pitch of 6mm. Which of the following statement is correct?
  • a) Speed of lead screw> speed of spindle
  • b) Speed of lead screw< speed of spindle
  • c) Speed of lead screw=speed of spindle
  • d) None of the mentioned
Q.9
Speed of lead screw decreases in relative to speed of spindle as many times the required pitch is larger than pitch of lead screw.
  • a) True
  • b) False
Q.10
Speed of lead screw decreases in relative to speed of spindle as many times the required pitch is smaller than pitch of lead screw.
  • a) True
  • b) False
0 h : 0 m : 1 s