Q.1
Width of tooth space along the pitch circle is known as
  • a) Clearance
  • b) Full depth of teeth
  • c) Working depth of teeth
  • d) Space width
Q.2
Circle passing through the top of the tips of teeth is known as
  • a) Addendum circle
  • b) Addendum
  • c) Dedendum
  • d) Dedendum circle
Q.3
Height of tooth above pitch circle is known as
  • a) Addendum circle
  • b) Addendum
  • c) Dedendum
  • d) Dedendum circle
Q.4
Addendum of gear is generally taken equal to
  • a) 1 module
  • b) 2 module
  • c) 1.157 module
  • d) 0.157 module
Q.5
Circle passing through root of teeth is known as
  • a) Addendum circle
  • b) Addendum
  • c) Dedendum
  • d) Dedendum circle
Q.6
Circle passing through root of teeth is known as
  • a) Addendum circle
  • b) Addendum
  • c) Dedendum
  • d) Root circle
Q.7
Radial depth of tooth below pitch circle is known as
  • a) Addendum circle
  • b) Addendum
  • c) Dedendum
  • d) Dedendum circle
Q.8
Standard value of dedendum is generally taken as
  • a) 1 module
  • b) 2 module
  • c) 1.157 module
  • d) 0.157 module
Q.9
Radial difference between addendum and dedendum of tooth is known as
  • a) Clearance
  • b) Full depth of teeth
  • c) Working depth of teeth
  • d) Space width
Q.10
Standard value of clearance is generally taken as
  • a) 1 module
  • b) 2 module
  • c) 1.157 module
  • d) 0.157 module
Q.11
Total radial depth of tooth space is known as
  • a) Clearance
  • b) Full depth of teeth
  • c) Working depth of teeth
  • d) Space width
Q.12
Maximum depth to which tooth can penetrate into the tooth space of mating gear is known as
  • a) Clearance
  • b) Full depth of teeth
  • c) Working depth of teeth
  • d) Space width
Q.13
Full depth of teeth is equal to
  • a) Addendum * dedendum
  • b) Addendum / dedendum
  • c) Addendum – dedendum
  • d) Addendum + dedendum
Q.14
Working depth of two mating gear is numerically equal to
  • a) Sum of addendum of two gears
  • b) Difference of addendum of two gears
  • c) Difference of dedendum of two gears
  • d) Sum of dedendum of two gears
Q.15
For a given pair of mating gear, arc of contact is 6mm and a circular pitch is 4 mm. Contact ratio is equal to
  • a) 3.20
  • b) 1.50
  • c) 4.75
  • d) 6.32
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