Calendar: 1899-1900 Page 799

FACUITY OF SCIENCE Cxlvii in -length of stroke 15 ft -area of piston 56'7 sq in Calculate gas used per per hour supplied per per hour What per centage of the heat supplied per is actually accounted for 12 If K0- Kv lS0 for coal gas what would be the weight of 10 cu ft of the gas at pressure of 250 lbs per sq in and temperature of 159Q To what temperature must the gas be reduced in order that it may occupy the same volume at atmospheric pressure it YEAR Paper Six questions only to be attempted Construct tooth of machine-cut spur-wheel to trans- mit 25 at 100 revs min Diameter of wheel at pitch line feet Safe stress of material 4000 lbs in2 What is meant by the modulus of cross section Shew how to graphically determine the modulus of rect- angular cross section 4" deep and 2" broad For the beam shewn in the sketch determine Reactions at and Shears and bending moments at and TON TONS TONS k-6 FT- 4-זל 12 ψ Β 30 -- line of steel shafting is 100 ft long it transmits 25 horse-power at 120 revs min and is 3" in diameter What is the total angular twist hollow strut is 10 ft long and fixed at the ends ts external diameter is inches Find the thickness of the metal in order that the strut may safely carry load of 20 tons mild steel boiler ft in diameter has working pres- sure of 100 Ibs in2 Design the longitudinal double rivettec butt joint