Bench Centres MCQ

Test your knowledge with important Bench Centres MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Bench Centres MCQs at Bissoy

• Which option is correct for given statements about out of roundness of V blocks? Statement 1: Shafts can be out-of-roundness due to improper centre alignment. Statement 2: Adjustable V-Blocks can be used to show out-of-roundness.
  ক

  T, T

  খ

  T, F

  গ

  F, T

  ঘ

  F, F
• How much deviation is permitted in parallelism of centres axis w.r.t. guideways for 125-160 mm center height?
  ক

  0.01 mm/200 mm

  খ

  0.01 mm/300 mm

  গ

  0.1 mm/300 mm

  ঘ

  0.001 mm/300 mm
• What are the centre heights that available for Bench centres?
  ক

  125 mm

  খ

  125, 160 mm

  গ

  125, 250 and 300 mm

  ঘ

  125, 160, 200, 250 and 300 mm
• What will happen due to out-of-straightness of a part?
  ক

  Less finished surface of part

  খ

  No error in roundness

  গ

  Failure of a part

  ঘ

  Doubling run out effect
• Which of the following is incorrect about bench centre’s physical characteristics?
  ক

  Centre holders may be located in any position

  খ

  Box type straight edges have a rigid cross section for minimum deflection

  গ

  Minimum hardness of bench centre’s base is 180 HB

  ঘ

  Male or female centres are non-adjustable on bench centres
• What is the range in which distance between the centres varies?
  ক

  100 to 200 mm

  খ

  200 to 400 mm

  গ

  300 to 400 mm

  ঘ

  500 to 1500 mm
• Why T- slots are provided on the base of bench centres?
  ক

  To reduce its weight

  খ

  For the attachment of centre holders

  গ

  For the attachment of base to table

  ঘ

  For easy loading and unloading
• What is the material of the bench center’s base?
  ক

  Copper

  খ

  Wood

  গ

  Cast Iron

  ঘ

  Steel