Q.1
Which of the following is not a classification of fit?
  • a) Clearance
  • b) Transition
  • c) Interference
  • d) Enjoining
Q.2
Which of the following always provides a positive clearance between the hole and the shaft over the entire range of tolerances?
  • a) Clearance
  • b) Transition
  • c) Interference
  • d) None of the mentioned
Q.3
In this case, tolerance zone of hole is entirely below that of the shaft.
  • a) Clearance
  • b) Interference
  • c) Enjoining
  • d) Non of the mentioned
Q.4
Which of the following are true for system of tolerances to the shaft and the hole?
  • a) In hole-basis system, various shafts are associated with a single hole
  • b) In hole-basis system as well as shaft-basis system, various shafts are associated with multiple holes
  • c) In shaft-basis system, various shafts are associated with a single hole
  • d) None of the mentioned
Q.5
The description of tolerances consists of two parts namely?
  • a) Fundamental deviation and magnitude of tolerance
  • b) Magnitude of deviation and magnitude of tolerance
  • c) Mean deviation and magnitude of tolerance
  • d) Fundamental deviation and tolerance
Q.6
Which of the following are true for fundamental deviation?
  • a) Gives location of tolerance zone
  • b) Capital letter is used for both holes and shafts
  • c) Small letter is used for both holes and shaft
  • d) None of the mentioned
Q.7
How many grades of tolerances are there according to BIS system fits and tolerances?
  • a) 12
  • b) 14
  • c) 16
  • d) 18
Q.8
Tolerance for a shaft of 50mm diameter as the basic size, with the fundamental deviation denoted by g and tolerance of grade 7 is represented as?
  • a) g50,7
  • b) 50g7
  • c) 7g50
  • d) None of the mentioned
Q.9
The temperature at which new stress free grains are formed in the metal is called the ______ temperature.
  • a) Recrystallization
  • b) Crystallization
  • c) Solidification
  • d) None of the mentioned
Q.10
Hot working or cold working, which reduces strain hardening and residual stresses.
  • a) Hot working
  • b) Cold working
  • c) Both have equal effect
  • d) Impossible to detect
Q.11
Hot rolled components have better toughness and ductility.
  • a) True
  • b) False
Q.12
Hot rolled components have better surface finish than cold rolled components.
  • a) True
  • b) False
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