If a fixed gear having 200 teeth is in mesh with another
gear having 50 teeth.The two gear are connected by an
arm.What will be the number of turn made by the smaller gear
for one revolution of arm about the center of bigger gear?

Any effort is appreciable witha proper logic..

Answers were Sorted based on User's Feedback



If a fixed gear having 200 teeth is in mesh with another gear having 50 teeth.The two gear are con..

Answer / prajapati piyush p.

by use above same procedure,
B-1/0-1=(-)200/50

B=5

smaller gear will turn 5 turns.

Is This Answer Correct ?    24 Yes 3 No

If a fixed gear having 200 teeth is in mesh with another gear having 50 teeth.The two gear are con..

Answer / sujit

it should be 5

Is This Answer Correct ?    7 Yes 0 No

If a fixed gear having 200 teeth is in mesh with another gear having 50 teeth.The two gear are con..

Answer / prajapati piyush p.

hey u cant calculate this way.
its problem of epicyclic gear train.
ans 2 is 100% right

Is This Answer Correct ?    6 Yes 2 No

If a fixed gear having 200 teeth is in mesh with another gear having 50 teeth.The two gear are con..

Answer / mfs

Since rotation of bigger gear is not mentioned, consider it
stationary. Then, for one revolution of arm, the smaller
gear rotates 4 times around the bigger gear.
200/50=4.

Is This Answer Correct ?    6 Yes 6 No

If a fixed gear having 200 teeth is in mesh with another gear having 50 teeth.The two gear are con..

Answer / palash

Thakare Vishal ..

Explain please.the answers coming are so confusing.

4 or 5 and why?

Is This Answer Correct ?    0 Yes 1 No

If a fixed gear having 200 teeth is in mesh with another gear having 50 teeth.The two gear are con..

Answer / thakare vishal

the small gear turn 4
times when 1 revolution
of big gear

Is This Answer Correct ?    2 Yes 5 No

If a fixed gear having 200 teeth is in mesh with another gear having 50 teeth.The two gear are con..

Answer / vijay

4 revolution made by the small gear for one revolution of
fixed gear

200/50 = 4

Is This Answer Correct ?    1 Yes 5 No

If a fixed gear having 200 teeth is in mesh with another gear having 50 teeth.The two gear are con..

Answer / prajapati piyush p.

its a problem of epicyclic gear train.
let A=turn of bigger gear,B=turn of smaller gear,C=arm which is fixed.
turn of bigger gear relative to arm=A-C
turn of smaller gear to arm=B-C
since smaller and bigger gear rotates in opposite direction,
B-C/A-C= (-)teeth on bigger gear/teeth on smaller gear
since bigger gear is fixed A=0,
B-1/0-1=(-)200/20,

B=21.ans


smaller gear will turn 21 turns.

Is This Answer Correct ?    3 Yes 19 No

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