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

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.

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

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