Mechanical Engineering

the stiffness of a vehicle structure in a crash

Circlips are using to retain components in assemblies. They are perfect replacement to a nut-bolt-washer combination often used in many engineering applications. In their application they help eliminate weight by simply cutting a groove and adding the ring in replacement of the nut-bolt-washer. They are used as a permanent shoulder to hold components together such as a drive shaft. They are also used as spacers between gears such as in an automotive/truck transmission

Iron and carbon.

Oil "galley" is a misspelling of the term oil "gallery." An oil gallery is an internal passageway in the block of an automobile engine that conducts oil to key components such as the main bearings.

The dump truck contains a hydraulically power controlled cylinder that expands as fluid is injected, resulting in the "dump" trailer lifting from the frame of the vehicle. This system is referred to as a PTO, or Power Take-Off.

Info:
http://en.wikipedia.org/wiki/Power_take-off

Photo:
http://img.alibaba.com/photo/209566984/dump_truck.jpg

1 bar is 14.50377 PSI, so 2.8 bars is 40.610 PSI.

claw hammer is a tool and hence tool steel can be a good choice.

By writing your name address and phone number on each and every piece of the device.

Yes, we generally consider stainless steel to be a nonporous surface.

Look it

The shearing action/force which takes place in y-direction(transverse dirn.)is known as transverse shear...........

two rotations (out of plane) and one displacement (out of plane)

6 Wheel with 4 driven

Yes it is a staneless steal.

A handle, traditionally wooden, with some sort of sharp object fastened to it, in this case a stone.

Tree trimming uses combination pulleys. Also combination pulleys are used to lift engines out of cars to work on them. Some construction sites use them in places they cannot get a crane.

30 wt

It works much more effectively, and with greater dedication,

focus, and commitment, than an ailing pulley does.

The Sydney Tower (known as the Centrepoint Tower and also by a few other names) was begun in 1970 and completed in 1981.

90 degrees

see Yamaha's Sound Reinforcement Handbook by Gary Davis

The answer is "YES".

ASME IX allows a welder qualified on base metal P(or S) number 1 to 11 to weld P1 to 11.

Please refer to ASME IX QW-423.

Hope this helps.

Sun.

The reamer will be dull soon. It shurely happens after ~ 3 reverse turns due to friction of metal chips (back angle of reamer's blade does not cut).

It is very difficult to physically destroy an reamer by such way but there are 3 problems:

1. Dull reamer will "scrap" instead of "cut". Surface will be more rough and hole will be more inaccurate (bad roundness).

2. You HAVE to re-gring dull reamer to sharp its blades.

3. Re-grinded reamer will have smaller diameter - reamer will be inaccurate and inappropriate soon.

Example:

Typical diameter of new (metric) 10H8(+0,022) reamer is 10(+0,01;+0,015).

Diameter of re-grinded reamer will be 10(+0,005;+0,01). After next re-grinding reamer will be 10+0,005 , next time 9,995+0,005, next time 9,99+0,005, 9,985+0,005 and so on.

Reamer marked 10H8 with outer diameter 9,99+0,005 is inappropriate(9,995 is _smaller_ than 10. IT IS VERY BAD due to possible fit error).

1) By maintaining appropriate gap between electrode and work.

2) By selection of suitable current value.

3) By choosing the right travel speed.

1/4"

cad use to multi dedign for aero