Which of the following type of gear has inclined teeth?
Spur gear
Helical gear
Spiral gear
All of the above
29 practice sets · Page 1 of 2
Which of the following type of gear has inclined teeth?
Spur gear
Helical gear
Spiral gear
All of the above
Which of the following pressure angle (in degrees) is commonly used for gears?
15
20
25
30
Which of the following operation is different from the rest
Rivetting
Embossing
Punching
Coining
Which of the following methods produces gear by generating process
Hobbing
Casting
Punching
Milling
Which of the following is a gear finishing operation
Milling
Hobbing
Shaping
Shaping and brushing
Which of the following is a form of teeth?
Cycloidal
Spherical
Helical
All of the above
Which gear is used if the axes of two shafts are neither intersecting nor parallel?
Hypoid gears
Worm gears
Both a and b
None of the above
What are the advantages of smaller pressure angles?
High radial force
High separating force
High contact ratio
All of the above
To connect two intersecting shafts we use
Spur gear
Helical gear
Worm and wheel
Bevel gears
These gears transmit power between shafts whose axes intersect at any angle
Worm gears
Spur gears
Bevel gears
Racks
These gears are used to transmit power between nonintersecting shafts that are at right angles to each other
Racks
Worm gears
Spur gears
Bevel gears
The point of contact of two pitch circles of mating gears is called
Pressure point
Pitch point
Module
Contact point
The most common geometric form used in gears today is this
Involute profile
Convolute profie
Base circle
Spur circle
The module of a gear is given by ............ in terms of d diameter of pitch circle, and t number of teeth
d/t
2d/t
d/2t
d/3t
The minimum number of teeth on pinion to avoid interference in rack and pinion is
18
21
24
15
The gears used to connect non-parallel and non-intersecting shafts is
Spiral bevel gears
Spiral gears
Double helical gears
Straight bevel gears
The gears are used to connect two parallel shafts except
Helical gear
Double helical gears
Bevel gears
Spur gear
The gear used to convert rotary motion into translating motion is
Crown gear
Rack and pinion
Spiral Bevel gear
Worm and wheel
The clearance in toothed gear is kept as
1.57 module
1.60 module
1.67 module
1.50 module
Spur gear design normally begins with selecting this
Tooth size
Gear size
Pitch diameter
Rack size