Engineering, 26.07.2019 17:20 mruffier8909
Acompound tube is made by shrinking one steel tube onto another. the dimensions of the assembly are 200 mm internal diameter, 325 mm at the common interface and 400 mm external diameter. a strain gauge mounted in a circumferential direction on the outer surface of the assembly records a strain ? ? 770 ? after the shrinkage of the outer tube onto the inner tube. determine: a) the interfacial pressure at the common interface. b) the initial interference between the two tubes. e) the maximum circumferential stress. take young's modulus e=207 gpa
Answers: 3
Engineering, 03.07.2019 14:10
The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite
Answers: 3
Engineering, 03.07.2019 15:10
Heat is added to a piston-cylinder device filled with 2 kg of air to raise its temperature 400 c from an initial temperature of t1 27 cand pressure of pi 1 mpa. the process is isobaric process. find a)-the final pressure p2 b)-the heat transfer to the air.
Answers: 1
Engineering, 04.07.2019 18:10
Which one from below is not one of the reasons of planning failures? (clo3) a)-planner is careless. b-planner spend less time in the field but more time on the desk c)-planner is not qualified d)-planner does not have sufficient time to properly plan
Answers: 3
Engineering, 04.07.2019 18:20
Describe one experiment in which the glass transition temperature and melting temperature of a totally amorphous thermoplastic material can be determined. show the relevant experimental results in a diagram which should be properly annotated with the two temperatures clearly marked. what is likely to happen to the curve in the diagram if the amorphous polymer is replaced by a thermosetting type?
Answers: 2
Acompound tube is made by shrinking one steel tube onto another. the dimensions of the assembly are...
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