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Machine Design
Advanced Machine Design
Quiz 1
Solution
Q.1.
In cycloidal gears contact area is
a) Comparatively smaller
b) Comparatively larger
c) Can’t be determined
d) None of the listed
Q.2.
Involute gears have greater contact area as compared to cycloidal gears.
a) True
b) False
Q.3.
Cycloidal teeth consist of
a) Hypocycloid curve
b) Epicycloid gear
c) Both hypocycloid curve and epicycloid curve
d) None of the mentioned
Q.4.
Pressure angle remains constant in case of involute profile.
a) True
b) False
Q.5.
Pressure angle is _____ in case of cycloidal teeth.
a) Constant
b) Variable
c) zero
d) None of the listed
Q.6.
Velocity ratio is the ratio angular velocity of driving gear to that of driven gear.
a) True
b) False
Q.7.
Velocity ratio and transmission ratio are the same thing.
a) True
b) False
Q.8.
Contact ratio is always
a) =1
b) >1
c) <1
d) Can’t be determined
Q.9.
Product of diametric pitch and circular pitch is?
a) π
b) 1/π
c) None of the listed
d) 2
Q.10.
Diameteral pitch isthen calculate module of the gear.
a) 0.2
b) 0.4
c) 5
d) 10
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