D:-None of the above
Correct Answer: Option-C

Question16:-The product of circular pitch and diametral pitch of a gear is given by

Aa

Correct Answer:- Option-D
Question17:-The gear used to overcome the lateral thrust in the shat is
AcBevel gear
B:-Worm and worm wheel
C:-Herting bone gear
D-None of the above
Correct Answer: Option-C
Question18:-The following materials give corrosion resistance to gears
‘Ac Hard materials
B:-Non ferrous materials
C:-Hardened steel
D-None of the above
Correct Answer: Option ®
Question19:-The true statement in the case of gears.
‘AvAddendum is less than dedendum
B:-Pitch circle diameter is equal to the product of module and number of teeth
C-Pitch circle is always greater than the base circle
०-५। the above
Correct Answer:- Option-D
Question20:-The centre distance between the mating spur gears is equal to
கயா ofthe 1201 of the pitch circles
B:-0.5 x (sum of the radii of pitch circles)
‏ھی‎ x sum of the radil ofthe pitch circles
D-None of the above
Correct Answer:- ೦೧000
Question21:-The difference between maximum and minimum limits of the size is called
AcTolerance
Be-Allowance
Deviation
D-None of the above
Correct Answer:- ೦೧000
Question22:-The algebraic difference between an actual size and the corresponding basic size is called
‘A: Upper deviation
B:-Actual deviation
೦-೦೫೮ deviation
D-None of the above
Correct Answer: Option ®
Question23:-The difference between the minimum limit of a hole and maximum limit of shaft is
‘Ac Maximum clearance
B:-Average clearance
CMinimum clearance

D:-None of the above