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2. Explain fully how you would proceed in order to survey and compute capacity of a proposed storage reservoir.

3. What are the principal points to be kept in view in selecting a pipe-track for a scheme of domestic water supply?

?

4. What is meant by the hydraulic grade of a pipe Show how to draw the hydraulic grade of a horizontal pipe of varying diameter, discharging freely at the end.

5. How would you proceed in order to make a map of a coast line from a vessel sailing along it?

6. Describe the construction and mode of adjusting and using the 12-inch theodolite.

SURVEYING, LEVELLING, MENSURATION,

AND DRAWING.

FIRST PAPER.

The Board of Examiners.

1. Describe fully the adjustments of the Transit and

Y theodolites.

State, giving your reasons,

which you consider the more suitable for general survey work.

2. Show how to lay out, in heavily-timbered country, a circular curve of 20 chains radius connecting two straight lines which intersect so as to have deflection angle = 60°. Give all necessary calculations.

3. Describe the method of determining the true meridian with a theodolite provided with Saegmuller's solar attachment. What adjustments have to be made prior to using the attachment, and what precautions are necessary in its use?

SURVEYING, LEVELLING, MENSURATION,

AND DRAWING.

SECOND PAPer.

The Board of Examiners.

1. The following observations are taken in the field with a theodolite, the place of observation being in Victoria::

Apparent altitude of a Canis Minor at culmination, 47° 32'.

Apparent altitude of a Eridani, 28° 14'. Horizontal angle subtended between a Eridani (which is on western portion of its orbit) and a referring lamp, easterly from the star, 32° 12′ 30′′.

Having given that the N.P. distances of the stars are 84° 29′ and 148° 12′ respectively, deter mine the azimuth of the referring lamp from the point of observation.

2. Reduce the traverse shown below and determine the area, the lengths being in links

[blocks in formation]

3. Explain fully the method of determining distances by means of Stadia readings.

SURVEYING, LEVELLING, MENSURATION,

AND DRAWING.

THIRD PAPer.

The Board of Examiners.

1. Prove that the surface of a right cone, exclusive of its base, equals one-half the circumference at the base multiplied by the slant height.

2. An ordinary railway cutting is 20 feet wide at the bottom, and has side slopes of 1 to 1. Compute the volume of a portion of this cutting 1 chain in length, 10 feet deep at one end, and 20 feet deep at the other—

(a) By the prismoidal formula.

(b) By the method of mean areas.

3. A circular reservoir is 100 feet in diameter at the top, 50 feet diameter at the bottom, and 10 feet deep

(a) How many cubic yards of earth must be removed in evcavating the reservoir ?

(b) How many gallons will it contain when filled to a depth of 9 feet?

4. Determine approximately the weight of a tramway cable 1 inches diameter which is coiled on a cylinder 6 feet long and 2 feet in diameter, the external diameter of the coil being 6 feet.

DRAWING AND QUANTITY SURVEYING. The Board of Examiners.

A circular reservoir is 200 feet internal diameter at the top and 20 feet deep. Its inner slope is 3 to 1 and its bottom level. It is made partly in cutting and partly in embankment, the top of the embankment being 10 feet wide, and the outer slope being 2 to 1. The interior of the reservoir is coated with 2 feet of clay puddle, upon which 9 inches of rough pitching is placed, and the top

and outer slope of the bank is covered with 6 inches of vegetable soil. The natural surface of the ground is 10 feet below the top of the embankment at the centre of the reservoir, and has a transverse slope of 1 in 200.

Make a radial section of this reservoir to a scale of 10 feet to 1 inch, and compute quantities of cutting, bank, puddle, pitching, and soiling.

MECHANICAL DRAWING AND DESCRIPTIVE GEOMETRY.

The Board of Examiners.

1. Describe carefully the construction and method of testing and using the drawing board, T square, and set square for mechanical and architectural drawing.

2. Make to a scale of 1 inches to 1 foot a side elevation, end elevation, and diagonal section of the table at which you are seated.

3. What is meant by isometric and cavalier projection? Illustrate your answer by examples of each kind, and state what you consider to be the special advantages of each system.

4. Carefully delineate a hypocycloid, the rolling circle being 2 and the fixed circle 4 inches diameter.

5. Make a perspective drawing of a lattice girder similar to those used at the St. George's Road Bridge. The length of the girder to be at right

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