Calendar: 1874-1875 Page 569

APPLIED SCIENCES 569 12 Trace the history and results of S' Paul's preaching in Macedonia and Greece What is the true meaning of the famous sentence Gallio cared for none of these things'' 13 Give brief analysis of the Epistles to the Thessalonians What condition of the Church do they disclose JKatfjtmattcS See Department of General Literature and Science II -fHerfjanus SECOND AND THIRD YEARS Show bow to determine the resultant of two parallel forces acting first in the same second in contrary directions Discuss this case when the forces are equal Two rafters AB and AC are each 20 feet long and support roof whose pitch is 60 and weight 000 lbs find the strain on tie connecting the two ends of the rafters If the tie be of wrought iron what must its section be at least in order to bear the strain wrought iron bar of square inch section being able to bear strain of 67 200 lbs If the roof in the last question be without the tie and if each half rests on the inner edge of wall of brickwork 2J feet thick find how high the wall may be carried so as not to be overthrown Also find the equation to the line of resistance in the wall cubic foot of brickwork weighs 112 lbs Draw diagram of forces for and find the strains on tbe