Mechanical Engineering Questions and Answers
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1 :: What is the materials of jib and cotter joints?

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2 :: What is extrued aluminum?

Extrusion is the process where a metal or a metal bar is pulled through a mandrel to elongate it and/or give it a final shape.

Extruded Aluminum is a common form of making small aluminum wire, bars or beams and many varieties of small non-structural, decorative pieces.
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3 :: What is the mechanical advantage of a double pulley?

It only takes half the effort to move an object but twice the distance.
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4 :: What is knurling?

Knurling is a machining process normally carried our on a centre lathe. The act of Knurling creates a raised criss-cross pattern on a smooth round bar that could be used as a handle or something that requires extra grip.
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5 :: What is the date of first Titan launch from Cape Canaveral?

The Titan I was launched from Launch Pad 15 on February 6 1959.
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