Engineering, 21.04.2020 20:18 khorasanpublic
The pin-connected structure consists of a rigid bar ABCD and two axial members. Bar (1) is steel [E = 215 GPa, 10.9 × 10−6/°C ] with a cross-sectional area of A1 = 480 mm2. Bar (2) is an aluminum alloy [E = 50 GPa, 22.1 × 10−6/°C] with a cross-sectional area of A2 = 280 mm2. The bars are unstressed when the structure is assembled. Assume L=830 mm, a= 290 mm, b=560 mm, c=650 mm, and P=33 kN. After a concentrated load of P = 33 kN is applied and the temperature is decreased by 59°C, determine: (a) the normal stresses , in bars (1) and (2). (b) the vertical deflection vD of the rigid bar at D (positive if down, negative if up).
Answers: 1
Engineering, 03.07.2019 15:10, theamandawhite
Ahouse has the following electrical appliance usage (1) single 40w lamp used for 4 hours per day (2) single 60w fan used for 12 hours per day (3) single 200w refrigerator that runs 24 hours per day with compressor run 12 hours and off 12 hours find the solar power inverter size in watt with correction factor of 1.25.
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Engineering, 04.07.2019 18:10, settasav9641
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.
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Engineering, 04.07.2019 18:10, Larkinlover703
Items are similar to the free issue items, but their access is limited. (clo5) a)-bin stock items free issue b)-bin stock controlled issue c)-critical or insurance spares d)-rebuildable spares e)-consumables
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The pin-connected structure consists of a rigid bar ABCD and two axial members. Bar (1) is steel [E...
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