Hi everyone.. I attended the HAL interview... on 9th dec 2008 @ Bangalore.. th

Hi everyone.. I attended the HAL interview... on 9th dec
2008 @ Bangalore.. the interview was 90% technical... my
question are>>>>>
1) Design a rod that should withstand 1000N? (they told
that the material is mild steel & they gave me the stress-
strain graph for that)
2) what is the principal of hydraulic braking??
3) whether interchangebility is possible between JIGS &
FIXTURES???
4) what is recent developement in Automobile ENGINE???
5) abt my final year project (since i m a fresher)
6) some HR questions

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Hi everyone.. I attended the HAL interview... on 9th dec 2008 @ Bangalore.. the interview was 90% ..

Answer / karthick

3.interchangability is not possible in jigs and
fixtures.because fixtures are just work holding device.they
cannot guide the tool to pass through whereas jigs can hold
the workpiece as well as guide the tool w.r.t to the
contour of the jig.
4.some recent developments are DTSi engine,Power steering
system,DDiS engine,MPFI engine,anti-lock braking system etc

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Hi everyone.. I attended the HAL interview... on 9th dec 2008 @ Bangalore.. the interview was 90% ..

Answer / naveen kurakula

The Hydraulic brake system works on Pascal's law, which
states that " Pressure applied anywhere to an enclosed body
of fluid is transmitted equally to all parts of fluid.

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13 Yes

2 No

Hi everyone.. I attended the HAL interview... on 9th dec 2008 @ Bangalore.. the interview was 90% ..

Answer / sat

hydraulic braking basic principle
pressing brake pedal..........exerts force on master
cylinder which in turn sends fluid into individual brake
cylinders which inturn exert force on brake shoe-pad device
to brake the wheel
for clear info check
http://www.tpub.com/content/engine/14037/css/14037_67.htm

Is This Answer Correct ?

9 Yes

3 No

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