ALLInterview.com :: Home Page            
 Advertise your Business Here     
Browse  |   Placement Papers  |   Company  |   Code Snippets  |   Certifications  |   Visa Questions
Post Question  |   Post Answer  |   My Panel  |   Search  |   Articles  |   Topics  |   ERRORS new
   Refer this Site  Refer This Site to Your Friends  Site Map  Bookmark this Site  Set it as your HomePage  Contact Us     Login  |  Sign Up                      
Google
   
 
Categories >> Engineering >> Mechanical Engineering
 
 


 

 
 Civil Engineering interview questions  Civil Engineering Interview Questions (3073)
 Mechanical Engineering interview questions  Mechanical Engineering Interview Questions (3287)
 Electrical Engineering interview questions  Electrical Engineering Interview Questions (13323)
 Electronics Communications interview questions  Electronics Communications Interview Questions (2364)
 Chemical Engineering interview questions  Chemical Engineering Interview Questions (416)
 Aeronautical Engineering interview questions  Aeronautical Engineering Interview Questions (77)
 Bio Engineering interview questions  Bio Engineering Interview Questions (17)
 Metallurgy interview questions  Metallurgy Interview Questions (79)
 Industrial Engineering interview questions  Industrial Engineering Interview Questions (163)
 Instrumentation interview questions  Instrumentation Interview Questions (2375)
 Automobile Engineering interview questions  Automobile Engineering Interview Questions (106)
 Mechatronics Engineering interview questions  Mechatronics Engineering Interview Questions (38)
 Marine Engineering interview questions  Marine Engineering Interview Questions (43)
 Power Plant Engineering interview questions  Power Plant Engineering Interview Questions (75)
 Engineering AllOther interview questions  Engineering AllOther Interview Questions (1196)
Question
why the back wheel in the tractor is bigger than the front 
wheel?
 Question Submitted By :: Mechanical-Engineering
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
I am sure that there are multiple reasons, but the main
reason the smaller wheels are in front are because they are
for turning. The rear wheels are made for traction and
stability, thus their size.
 
Is This Answer Correct ?    82 Yes 19 No
Kevin
 
Answer
# 2
as the radius of the wheel increases the torque also gets
increases....the front wheels are for steering the
vechicle...if the front wheels r big it will be very hard
for the driver to steer it....
 
Is This Answer Correct ?    61 Yes 16 No
Bala10286
 
 
 
Answer
# 3
its not only a case of tractor, but for max. vehicles.
Basically driver wheel is always kept larger than the
driven where all-wheel-drive is not used. Driver wheel is
larger to utilize and conserve torque, as larger the wheel,
more the M.I. ,hence it can attain rotation for longer
duration. But as front wheel is not powered instead it is
just pushed, its M.I. should be less so that it can be
easily rotated,and thus less power is wasted in moving the
wheel. hence to keep MI low, it is of lower size. thats
it
 
Is This Answer Correct ?    46 Yes 28 No
Vedant
 
Answer
# 4
Tractor means (traction + motor)so in case of tractor the
requirement of torque is much higher then the other
vehical, as the application where the vehical uses farm,
off-road application dozer and loder, so it needs high
torque in driver wheel to prevent the machine to get slipe.

in tractor there are few speed reduction stages like
transmission, differentail, and final reduction (with bull
gear or planetory) thru bigger tyre can increse the contact
area with soil, which help to increse torque as the torque
(T= r(is the displacement)* f(is the force vector)
 
Is This Answer Correct ?    23 Yes 6 No
Mahesh Lakhani
 
Answer
# 5
Tractors are mainly used for farming purposes where the soil
is loose.
When the driven wheel (rear wheels in tractor) exerts
pressure on the ground the force applied on the ground
depends on the area of inpression the wheel makes on the ground.
Larger the wheel size is, then larger the area of
impression, hence smaller the force on loose soil whch helps
the wheels not to get into the ground.
 
Is This Answer Correct ?    32 Yes 17 No
K L Senthil Kumar
 
Answer
# 6
many resons for making small tyre in front of tractor
1. it reduce some aerodynamics resistance
2. steering stability
3. driving comfort
4. traction control
5. torque transmission
 
Is This Answer Correct ?    21 Yes 14 No
Ram Krishan Singh
 
Answer
# 7
The rear wheel needs more friction for traction purposes so
they are large but front wheels are only for stirring
purposes so they are small.
 
Is This Answer Correct ?    4 Yes 1 No
Manish
 
Answer
# 8
rear wheel having garater traction force,hence for easier
stearing we provide smaller wheel on front wheel
 
Is This Answer Correct ?    1 Yes 0 No
Shashi Bhushan
 
Answer
# 9
Reasons for Having so is
1)Tractor needs Tractive force with low speeds which is
meant for soft terrains.
2)Since the Coefficient of friction between tyre and
surface contact is low in order to overcome this,tractor
produces high tractive force with low speed.
3)For steering stability and power consumption the front
wheel is designed small size.
4)Torque=Force * Distance(T=F*R) by keeping Force constant
and increasing Distance between Wheel axis and force
applied will increase torque which is desired
 
Is This Answer Correct ?    1 Yes 0 No
Sridhar
 
Answer
# 10
I think most of vehicles the
power give in the bigger
wheel sides bcoz then only
we can easily turn vehicle any
direction without problems
but if give the power to small
wheels not possible to
turning and running as our
required
 
Is This Answer Correct ?    1 Yes 0 No
Thirumurugan_p
 

 
 
 
Other Mechanical Engineering Interview Questions
 
  Question Asked @ Answers
 
which is more harder ductile or brittle..????   1
What is the difference between 4 strok and 2 strock disel engine? Bajaj 1
gas turbine poewr plant works on which cycle ONGC 3
how can we remove paint from (painted over)plastic or nylon objects with out damaging the object? SGI 1
please send jindal steel and power model question papers MeritTrack 61
why do we require cooling towers in case of water cooled chillers?????   2
What is the need for drafting? CADD 3
Define thermostate and thermocouple.   3
What is the melting teparature of the boiler fusible plug? Which is the metal used for boiler manufacturing?   3
One Cubic meter Oxygen is equavalant to how much Kilogram? L&T 4
Escape Velocity of Earth is Bhel 2
what is the purpose of wear rings in centrifugal pumps ? TCS 3
 
For more Mechanical Engineering Interview Questions Click Here 
 
 
 
 
 


   
Copyright Policy  |  Terms of Service  |  Articles  |  Site Map  |  RSS Site Map  |  Contact Us
   
Copyright 2013  ALLInterview.com.  All Rights Reserved.

ALLInterview.com   ::  KalAajKal.com