FRIDAY, 22ND November. [10 A.M. TO 1 P.M.] MINING. SECTION I. I. What is "prospecting"? In a little known country what surface 10 indications should be sought for in the expectation of finding coal? How are trial borings located? What circumstance regulates the number of bore holes? 2. Describe the apparatus used for deep boring. Explain how the red or rope is worked for such borings. 10 3. Explain and give plan and section of timbering for securing the sides 10 of a shaft. What is a penthouse? How is it made? 4. Explain the principles on which the air circulates in workings, at 10 different seasons of the year. Describe the method of splitting the air in large mines. What are its advantages? Which is the best method of constructing stoppings and crossings for air-ways? 5. What is the nature of the following substances :-Graphite, anthracite, lignite, peat, millstone-grit, fireclay, sigillaria, mundic, blue John? SECTION II. 6. How are various coals occurring in sedimentary rocks classified? Give their distinguishing characters. What is the commercial value of coals and how is it measured? S 15 7. Give an account of the two main systems of mining coal. What are their relative merits and which one is preferred at the present day? 8. Define the terms:-Creep, kibble, goaf, whize, whim, troubles, sump, 10 aditlevel. What is a dyke? And what is its effect when traversing a coal bed? 9. What is tubbing? Describe the various modes employed in this process, and mention the advantages of each. 10 10. What are mineral veins? Describe the manner in which they are formed. Give a sketch in illustration. 10 FRIDAY, 22ND NOVEMBER, [2 P.M. TO 5 P.M.] METALLURGY. N.B.-The two Sections should be kept separate. All definite chemical changes should be represented by equations. SECTION I. 1. Give the different steps in the development of the Blast-furnace and 14 discuss the theories connected therewith. 2. Describe the Bessemer process giving the modifications introduced. 12 3. Explain the reactions which occur, when sulphides of copper and iron 12 are roasted in air and when a mixture of oxides and sulphides of copper and iron are fused in the presence and absence of silica. Show how in the Welsh process of copper-smelting advantage has been taken of these reactions. 4. Explain the action of oxygen, lead oxide, lead sulphide and iron on 12 galena, and show how advantage is taken of these reactions in the different smelting processes of lead. SECTION II, 5. What material is used for crucibles for metallurgical processes; how 13 are they made, and what properties must they possess? By what practical method can their power of resisting corrosion be ascertained? 6. Under what disadvantages labours every direct process of manufactur. 13 ing malleable iron? Describe the direct process which, in your opinion, has been most successful. 7. Explain the processes to which tin-ore is submitted previously to the 12 smelting. Give a full description of the stamps and the calciner with movable roasting chamber. What is the treatment of tin-ores which contain tungsten ? 8. Describe the modern processes of extracting and condensing mercury 12 both at Idria and in Spain. In what metallurgical processes is mercury used and how is it recovered? FRIDAY, 22ND NOVEMBER. [10 A.M. TO 1 P.M.] ARCHITECTURE-PAPER I. 1. Explain with sketches the following terms:-Gargoyle, abacus, 10 peristyle, architrave, dormer, corbel, flying buttress, crocket. 2. Sketch the Doric column in Greek and Roman architecture. Point 10 out the principal points of difference between them. 3. Give a short description with sketches of the Parthenon at Athens. 10 4. There is much difference in the masonry of walls built in the Early Norman and Late Norman Periods. Describe the difference, and explain how it arises. 5. Give sketches showing a typical column, and vaulting, belonging to the Early Norman Period. 12 12 6. Write a short description of the Renaissance, and its effects on architecture. 7. Give neat sketches of two windows; one in the Decorated, one in 14 Perpendicular, style. State their leading characteristics. 8. Give sketches for a Gothic timber roof. Mention and describe varia- 12 tions in its style found in England and in France. 9. Give a sketch of the dome of St. Paul's Cathedral, London, showing 12 how it is constructed. FRIDAY, 22ND NOVEMBER, [2 р.м. то 5 Р.М.] ARCHITECTURE-PAPER II. 1. Compare the excavations of the Karli Cave with those of the Kailas Temple at Ellora; and state, giving figures, which would be cheaper,-to excavate a temple in rock, or to build one. 2. Name the four styles of Indian Architecture. 15 Describe the uses for which Stambhas or Lats were employed in each style. Name the Buddhist ornaments, and state which of them are purely Buddhist and which are foreign. How do you account for the introduction of the foreign ornaments in Buddhist architecture? Name the period in which they were prevalent. 3. Describe a Buddhist Dagoba, its shape, its uses, and its necessary 12 adjuncts. Under what circumstances are additions made to a Dagoba? method of making the additional construction. Give the From what structure is the Buddhist Dagoba believed to have descended? 4. Compare the principal Karli Cave with that of an early English 15 Church, as regards its plan; and describe its ornaments, pillars, mode of admitting light, and shape and construction of its roof. What does the presence of wooden ribs in the cave show? Name the peculiarity in pillars, jambs and screen of the Karli Cave, which help you in fixing its age to B.C. 47. 5. Describe a Ceylon stylobate and the "moonstone." 6 15 6. Describe the construction of the Indian Dome on pillars. Why is it called "Horizontal" dome. Explain the part played by stone brackets and struts in its construction. Compare the Indian Dome with the Gothic Vault. 7. Describe the method employed by the Mahomedans in converting Jain temples into Moslem mosques. 9 8. Describe one of three colossal statues which are found in Southern India, and state to what sect the images belong. 8 9. Describe and illustrate the Vase or Water-pot Capital. 15 State why it is called "Hindu-Corinthian " Capital. FRIDAY, 22ND NOVEMBER. [2 P.M. TO 5 P.M.] MECHANICAL ENGINEERING. 1. Sketch in section and describe two forms of Shaft Couplings. 10 2. What is Saturated Steam? What is meant by the Total Heat of 10 steam? How many Units are required to raise 500 lbs. of water from 32° F. to 212° F.? 3. Assuming that the expansion curve of steam follows Boyle's Law, 12 draw what you consider would be a correct indicator diagram for a non-condensing engine having a stroke of 30 inches. Steam is admitted to the cylinder at 100 lbs. pressure above the atmosphere and is cut off at one-third of the stroke. Enter in column below the diagram the pressure of steam at each tenth of the stroke; and show by dotted lines on the diagram the form it would assume if the lead of the steam admission was insufficient. 4. What is (a) the percentage of strength of plate at joint as compared 12 with the solid plate, and (6) the percentage of strength of rivets as compared with the solid plate, in a treble rivetted lap jointed seam when the rivets are 14 inches diameter, pitch of rivets 4 inches, distance between two rows 2 inches, and thickness of plate 1 inch ? Shearing strength of rivets to be taken as equal to tensile strength of plate per square inch of sectional area. 5. Sketch and describe a Galloway Cross Tube. What are the advantages claimed for it? 8 6. To what height would water rise in a vertical pipe if a vacuum equal 8 to 10 lbs. per square inch were produced in it? 7. The temperature of the injection water supplied to a jet condenser 12 is 78° F., and it is discharged from the air-pump at a temperature of 110° F. The exhaust steam enters the condenser at atmospheric pressure. Find the weight of injection water required per pound of steam condensed. 8. If the travel of a slide valve is 3 inches and the eccentric sheaf is 8 fixed on a shaft of 4 inches diameter, what would be the diameter of the sheaf when the minimum thickness of metal between the bore and the outer edge is 1 inches ? 9. Sketch a double beat or equilibrium valve. If the total weight of the 10 valve and spindle is 24 lbs. and the effective diameter of the lower disc is 7 inches, what should be the effective diameter of the upper disc to bring the valve into equilibrium at 60 lbs. working pressure? 10. Driving from the pulley of an overhead shaft, describe and sketch in 10 plan and elevation the correct position for the pulley of a belt-driven machine having its shaft set at right angles to the overhead shaft, and show the direc tion of the belt's motion by arrow heads. FRIDAY, 22ND NOVEMBER. [10 A.M. TO 1 P.M.] BOTANY. 1. Describe the minute structure of a typical vascular bundle of a Dicoty- 10 ledonous stem, and mention wherein it differs from that of a Monocotyledonous one. 2. What is periderm or cork? How and where does it originate ? 15 What is its function ? 3. Describe the whorls of a flower, and show how they are homologous 10 with foliage leaves. -- 10 4. Describe, classify, and give instances of the following fruits:Drupe, Berry, Pome, Cremocarp and Capsule. 5. How is subclass Gamopetales subdivided? Mention the cohorts 15 coming under each subdivision, and the Orders belonging to each cohort. 6. Describe the stamens of Malvacea, Meliaceae and Labiateæ ; the stigma of Apocynaceae and Asclepiadaceæ ; the fruit of Graminacea and Conifereæ ; the placentation of Capparidacea and Amaryllidaces. 10 7. Give the general characters of the Natural Orders, Sapindaceæ and 15 Bignoniaceæ and name some plants belonging to each. 8. Describe and identify the specimens placed before you. 15 FRIDAY, 22ND NOVEMBER. [2 P.M. TO 5 P.M.] 1. Define the following terms:-Deciduous tree, undergrowth, epicor- 10 mic branches, stool, principal species, transplant, block, normal yield. 2. What are meant by dominant trees, dominated trees and suppressed 5 trees ? 3. What are the respective advantages and disadvantages of pure and 15 mixed woods? 4. Describe three methods of planting. 5 5. What is meant by a Fire-trace,' and by what two chief methods 10 may fire-tracing be carried out ? 6. Describe the method of treatment known as Coppice with Standards.' 20 7. Describe the formation of a nursery. 10 8. What is meant by Improvement Fellings' and how should they 10 be carried out? 9. What is a Working Plan' and why is it useful? 15 BOMBAY. PRINTED AT THE GOVERNMENT CENTRAL PRESS. |