Engineering, 07.01.2020 23:31 rileyeddins1010

The load required to cause buckling depends on how the column is attached to its supports. the maximum or critical load for a column of length l that is pin supported at both ends is pcr=? 2eil2.

part a - maximum load

a column is made from a rectangular bar whose cross section is 5.3 cm by 9.6 cm . if the height of the column is 2 m , what is the maximum load it can support? the material has e = 200 gpa and ? y = 250 mpa .

express your answer with appropriate units to three significant figures.

hints

pmax =
submitmy answersgive up

part b - maximum length

a circular column with diameter 8.6 cm is to support a vertical load of 600 kn . what is the maximum length the column can have if it is pin supported at both ends? the material has e = 200 gpa . assume the material does not yield.

express your answer with appropriate units to three significant figures.

hints

lmax =
submitmy answersgive up

part c - required diameter

a solid circular steel column with a height of 2.6 m needs to support a vertical load of 940 kn . what is the minimum diameter required if the factor of safety for buckling is fs = 2.5 and the material has e = 200 gpa? assume the material does not yield.

express your answer with appropriate units to three significant figures.

hints

d =

Answers: 1

Show answers

Another question on Engineering

Engineering, 03.07.2019 14:10

Explain the difference laminar and turbulent flow. explain it with the shear stress and the velocity profiles.

Answers: 1

Answer

Engineering, 04.07.2019 16:10

An electrical motor raises a 50kg load at a construct velencity .calculate the power of the motor, if it takes 40sec to raise the load through a height of 24m(take g =9.8n/g)

Answers: 2

Answer

Engineering, 04.07.2019 18:10

Abrake has a normal braking torque of 2.8 kip in and heat-dissipating cast-iron surfaces whose mass is 40 lbm. suppose a load is brought to rest in 8.0 s from an initial angular speed of 1600 rev/min using the normal braking torque; estimate the temperature rise of the heat dissipating surfaces.

Answers: 3

Answer

Engineering, 04.07.2019 18:10

Air is to be cooled in the evaporator section of a refrigerator by passing it over a bank of 0.8-cm-outer-diameter and 0.4-m-long tubes inside which the refrigerant is evaporating at -20°c. air approaches the tube bank in the normal direction at 0°c and 1 atm with a mean velocity of 4 m/s. the tubes are arranged in-line with longitudinal and transverse pitches of sl- st 1.5 cm. there are 30 rows in the flow direction with 15 tubes in each row. determine (a) the refrigeration capacity of this system and (b) pressure drop across the tube bank. evaluate the air properties at an assumed mean temperature of -5°c and 1 atm. is this a good assumption?

Answers: 1

Answer

You know the right answer?

The load required to cause buckling depends on how the column is attached to its supports. the maxim...

Questions