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  Item Reference: KCLCAL-1899-1900-806

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cliv FACULTY OF SCIENCE bisecting the angle CDB 4given that the force at Β is horizontal determine ωThe horizontal force at and the magnitude and י direction of the reaction at tdili 440 fai8 OiU ill SOullO D0 145Π8 ImUOHO β 10 The forces along the jib and tie xuihi- mrt having ciutefsnee oitittoa 1Aiu £iaiM to £ loaded Porter governor geared to an engine with velocity ratio has rods and links foot 10n Weight of balls lbs each load 100 lbs The valve is full open when the arms are at 30 to the vertical and shut when at 45 Find the limiting speeds of the engine Tj י v3V V1 V7 גדליהו uvjntt ft ί ί ך £ י Afii rloi Jft iti ori eiffith 911 nl rope is wrapped times round post and weight of 50 lbs is hung from one end If the coefficient of fnc- tion is 25 find the least pull at the other end which will raise the weight What weight would be required to prevent the 50 lbs slipping down In rope brake on flywheel of feet diain ropes 1" thick the load is 500 lbs The pull on spring balance varies from 15 to 25 lbs during the test The wheel is making 125 revs per minute find the Brake Why is water run round the rim of brake wheel Find the stress which occurs at point feet from one end and inches below the top surface in beam 25 feet long supported at each end if it has rectangular section 14 inches deep by inches wide and is subjected to uniform load of tons per foot run and load of ton at the centre -יי -- -- τ לן יד TViff י bar of steel is at the same time under direct tensile stress 000 lbs in and shearing stress 500 lbs in Find resultant equivalent tensile stress in the material In the roof truss shown AB BC-CD &c Find by means of the method of sections the stress in the bars CD III 1A
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