Engineering, 18.01.2020 02:31 mttttttthhhhhhh551
Bars (1) are made of a polyimide plastic that has an elastic modulus of 4.3 gpa. bar (2) is a nylon material that has an elastic modulus of 1.5 gpa. each bar has a cross-sectional area of 1450 mm^2.
using l=365 mm and delta=4.8 mm, what magnitude of load p will cause the normal stress in each bar to be the same value?
Answers: 3
Engineering, 04.07.2019 18:10
Shafts are machine elements that are used to a) carry axial loads b) direct shear loads c) transmit power d) rotate at constant speed e) none of the above circular and square shafts subjected to the same torque under the same circum behave a) the same way b) almost the same way
Answers: 2
Engineering, 04.07.2019 18:20
An engine runs on the ideal diesel cycle. the cycle has a compression ratio of 20 and a cutoff ratio of 2. the highest temperature in the cycle is 1200 k. if the heat into the system is 300 kj/kg of working fluid and using variable specific heats determine the work produced per mass of working fluid
Answers: 3
Engineering, 04.07.2019 18:20
Air flows over a heated plate à t a velocity of 50m/s. the local skin factor coefficient at a point on a plate is 0.004. estimate the local heat transfer coefficient at this point.the following property data for air are given: density = 0.88kg/m3 , viscosity 2.286 x 10 ^-5 kgm/s , k = 0.035w/mk ,cp = 1.001kj/kgk. use colburn reynolds analogy.
Answers: 1
Engineering, 04.07.2019 19:10
What is the main objective of using reheat rankine cycle?
Answers: 3
Bars (1) are made of a polyimide plastic that has an elastic modulus of 4.3 gpa. bar (2) is a nylon...
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