LOW PRODUCTION COST 4. GEAR WITH SMALL NUMBER OF TEETH. THOSE CHARA...
3. Low production cost
4. Gear with small number of teeth.
Those characteristics which are applicable to stub 20° involute system
would include
(a) 1 alone
(b) 2, 3 and 4
(c) 1, 2 and 3
(d) 1, 2, 3 and 4
IES-51Ans. (b) Involute system is very interference prone.
IES-52. The motion transmitted between the teeth of two spur gears in mesh is
generally
[IES-1999]
(a)
Sliding
(b)
rolling
(c) Rotary
(d) party sliding and partly rolling
IES-52Ans. (b)
Beam Strength of Gear ToothIES-53. In heavy-duty gear drives, proper heat treatment of gears is necessary in
order to:
[IES-2006]
(a) Avoid interference
(b) Prevent noisy operation
(c) Minimize wear of gear teeth
(d) Provide resistance against impact loading on gear teeth
IES-53Ans. (c)
IES-54. Consider the following statements pertaining to the basic Lewis equation
for the strength design of spur gear teeth:
[IES-2005]