7. Make a drawing to scale showing mode of setting, arrangement of flues, dampers, galloway tubes, and all necessary fittings for a Lancashire boiler 20 feet long and 7 feet in diameter.

8. Describe a dynamometer that does not absorb the energy measured, and state how it is used.

HYDRAULIC AND SANITARY ENGINEERING.

The Board of Examiners.

1. Give a detailed sketch, with written description, of a syphon over the embankment of a reservoir. How is such a syphon charged?

2. Give a brief account of some of the methods that have been adopted in order to minimize the labour of working large sluice valves.

3. Criticise, from a sanitary point of view, the arrangement of fire plugs used on the Melbourne Water Supply.

4. Make a sketch showing the arrangement of a system of baths, lavatories, and closets suitable for an hotel in a town, provided with an underground system of sewers.

5. State what sized main (giving reasons) you would use to supply a town of 10,000 inhabitants with water, from a service reservoir distant three miles from the town, and situated 200 feet above the

highest portions of same. Give a drawing of a cast or wrought iron pipe for same, showing the faucet in detail.

6. State (giving reasons) what system you would adopt for dealing with the drainage and sewage of a country town situated on the bank of a constantly running river, and having an ample water supply. The present population may be taken at 2,000, and the number of tenements 500, concentrated within an area of one square mile, the town assumed to be in a flat district, the general fall being two feet per mile, and the ground principally clayey. Highest flood level five feet below the general level of the town.

MINING.

Mr. William Nicholas.

1. How would you prospect for reefs or lodes in new country where alluvial gold or tin ore has been discovered?

2. Describe the uses of "flat sheets," "jump-ups," "winzes," "strong arms," "plats," "cams," and explain what is "dead work."

3. Explain the use of "gratings" in a battery, and why there are such a variety of them.

4. Give a description of a set of timber for a level, for a shaft, for blocking out, and for a pass.

5. Give a general description of coal basins faulted, and not faulted.

6. Describe drawing lift, or bucket rod joints.

7. Describe briefly various methods of sinking shafts in watery drift.

8. Give drawings and description of the square set timbering, such as is used at Broken Hill.

9. What are the advantages and disadvantages of joints and cleavage planes in rocks that have to be blasted? Draw a diagram, showing how you would place drill-holes when commencing work in the face of a drive that is quite flat, the rock being massive granite; also another showing the length and direction of a hole to be drilled in similar rock, when it is required to blast off a projection.

10. Mention methods whereby

(a) Safety lamps are locked.

(b) Air enters the lamp.

(c) The flame is extinguished, both purposely

and in case of accident.

11. Describe the jigger, stating how those used for coarse ore vary in construction from those used for fine ore. Explain its action, and compare the German and English methods of working them.

12. Explain how overhead rope-ways work, and under what conditions their use is to be recommended.

NOTE.-Illustrative sketches will enhance the value of replies to questions and explanations.

METALLURGY: PASS.

1. Arrange the following metals in the order of (a) density, (b) fusibility, (c) tenacity, (d) electric conductivity:-lead, zinc, copper, gold, platinum, antimony, silver, tin, iron.

How does the presence of small amounts of impurities affect these properties?

2. Describe the general methods employed on the large scale for preparing coke.

3. Describe some form of gas-producer suitable for metallurgical operations.

4. Name the chief ores of iron, and give the formulæ which theoretically represent their composition. How is chemically pure iron obtained?

5. How is mercury extracted from cinnabar?

6. Describe the chief methods in use for the extraction of zinc from its ores.

7. A bar of bullion containing silver and gold is given to you for assay. Describe fully how you would proceed.

PHYSIOLOGY.

The Board of Examiners.

1. What are the origins and uses of Fat in the human

body?

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2. Give some examples of the different points of application of the muscles of the limbs and of the

use of the pulleys connected with their tendons.

3. Describe the nervous supply to the Submaxillary Gland, and also Claude Bernard's experiments on the secretion of saliva.

4. What are the effects of the contraction of the left ventricle on the whole circulation, and how may these effects be modified by experiments on the

lower animals?

5. What is the probable origin of Urea? How may the daily amounts of its excretion be lessened or increased?

6. Describe what is known of the fertilization of the animal ovum; and what is meant by the following statements:

(a) "The Individual recapitulates the history
of its kind."

(6) "That the Past lives in the Present."
(7) "That we individually retread paths
made by our ancestors."