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Question: The lamp frame shown in the accompanying figure has hollow square cross sections and is made of steel, with E = 29 x 106 lb/in2. Using hand calculations, determine the endpoint deflection of the cross member where the lamp is attached.
a small water droplet of diameter d100 micro meter and temperature tmp 0 deg c falls on a nonwetting metal surface
Initially P is at a distance a from O when it is projected with the critical escape speed (2MG/a)1/2 directly away from O. Find the distance of P from O at time t, and confirm that P escapes to infinity.
A steel bar of 100mm length tapers from 12mm×10mmfrom one end to 30mm×20mm at the other. If the stress in the bar is not to exceed 100mpa,find the magnitude of the axial force. Also find the change in its length. Take E as 200Gpa
On the basis of a given load of pulley Fr4000N, Determine the load of the bearing rope BA. The load should be the basis for the design of the supporting ropes, pulleys and ropes to mount joints A and B.
a 2-m3 rigid tank initially contains air at 100 kpa and 22 degrees c. the tank is connected to a supply line through a
one pound-mass of water at 600f expands against a piston in a cylinder until it reaches an ambient pressure of 14.7psi
Pure methane initially at 3000 psi, 65 oF enters a pipeline of 12-in inside diameter, at a rate of 70 lb/s. Using the generalized compressibility factor chart, calculate the inlet density and initial velocity of methane.
Calculate the plastic modulus Z and the shape factor f.
toughness is proportional to the amount of energy storedput in to a material or structure when a stress is applied.
a long cylinder pressure vessel with closed ends has an internal pressure of 3 mpa. calculate the hoop stress sigma
1. Why does popcorn pop? 2. A plastic milk jug filled with water and stored within a freezer ruptures. Why? 3. Apart from keeping food and beverages cool, what are other uses for dry ice?
Define: (i) specific heat capacity (ii) molar heat capacity. (b) Distinguish between: (i) heat capacity at constant volume and constant pressure
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