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What does an o-ring do in a space shuttle?
The same it always do - provides a seal between two surfaces.
Who invented the O-ring?
The O-ring was invented by Niels Christensen (1865-1952); a Danish-American inventor.
What is the difference between SAE and NPT?
NPT is a standard for threaded pipe and fittings. NPT stands for national pipe thread. NPT fittings are tapered thread fitting and usually rely on mechanical deformation in between the male and female fittings to create a seal in addition with teflon tape. Over tighteting may result in a leakage SAE O-ring fittings are straight fittings and rely on the O-ring to create the seal rather than deformation as in NPT fittings. Since these fittings do not depend on deformation chances of a broken fitting are virtually eliminated.
Difference between interrupt and subroutine in computer?
interrupt is a signal caused by I/O devices where as subroutine is a part of the program which is excuted rapidly
What is the Difference between the crest and trough?
wave height. -- The highest point of a wave is known as its crest while the trough is the lowest point of the wave. Wavelength is the horizontal distance between successive crests or troughs. by: Claire O.
