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Two parts of a machine are held together by bolts, each of which carries a static tensile load of 3100 N.
(a) What size of class 5.8 coarse-thread metric bolt is required using a safety factor of 4 (based on proof strength)?
(b) What is the least number of threads that must be engaged for the thread shear strength to be equal to the bolt tensile strength if the nuts are made of steel whose yield and proof strengths are 70 percent those of the bolt steel?
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A particle travels around a circular path having a radius of 66m. It is initially traveling with a speed of 10 m / s and its speed then increases at a rate of v = (0.05v) m /s2. Determine the magnitude of the particle's acceleration four seconds late..
describe fully what happens when you cools down a melt of 40mol nio-60mol mgo. give the compositions of the phases and
Air at 22 kPa, 220K and 250 m/s enters a turbojet engine in flight at an altitude of 10,000m. The diffusor slows the air down to a very low speed relative to its inlet. The pressure ratio across the compressor is 12. The turbine inlet temperature is ..
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what kind of metals are often recommended for use at low temperatures particularly when any sudden loading of the part
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