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SURVEYING VI.

1. A blueprint accompanying this paper shows a plan of a survey. Make out a set of notes for the survey, using the graphical method,

(a) by the split line;

(b) by the single line. All sketches to be made free hand. No lines will be run from monument to monument, but all details were taken from offset lines.

2. You are required to make a topographic survey of a tract of comparatively level land. Describe your work from the time you commence survey until you have completed the plan. The method adopted is that of "running on contour"; also show headings for notes you will keep in the field.

3. (a) Describe a method of reciprocal levelling and give an example.

(b) Fill in the following cross-section notes and compute the earthwork involved, w=18, s=1.1,

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I.S. F.S. H.I. Elv. Grade. G.R. L. C.R.

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The figures given under L. and R. are the "d's".

4. Explain adjustment of the transit in making the line of collimation perpendicular to the horizontal axis. Explain also how you could run the instrument if this adjustment were not made.

5. (a) Deduce the formula for flow of water over weirs when there is no velocity of approach.

(b) Compute the discharge over the wasteway of a dam when the width of wasteway is 220 ft., depth of water 2.5, and the coefficient of crest .8.

6. (a) It is required to run a turnout from an 8°.00 curve on the inside. If we have a No. 8 frog available, what radius of turnout will we use, using Standard gauge 4' 8"?

(b) A railway curve is found to be 725.5 feet long when it is run over by the maintenance department.

If A is found to be 32° 14', the Ch. of the B.C.=12+72.6. Find Ch. of P.I., of E.C., and values of M, T, and R.

7. A street is laid out with the gutters at the same elevation. If the tops of the curbs are 5′′ and 8" above the gutters and the road is 40' wide, what is the distance from line drawn over tops of curbs to the surface of the road at 15' from each curb? The crown of the road is 10".

8. Explain how you would determine the sec. ft. of the discharge of a river, using a current meter.

FACULTY OF PRACTICAL SCIENCE.

SURVEYING VII.

Mining Surveying.

1. Solve graphically the problem shown herewith.

2. (a) What is meant by co-ordinate methods of surveying and describe the advantages of this method.

(b) In the following example made with a top bearing telescope (distance between lines of collimation=6′′), determine the co-ordinates of Sta. 205 compared with Sta. 103.

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3. Describe six ways of transferring directions (the meridian) into the underground workings. Give diagrams.

4. (a) How is a mining claim staked out and how is it surveyed for patent in Ontario?

(b) What constitutes a mining claim (1) in surveyed, (2) in unsurveyed territory?

Topographical Surveying.

5. Describe the method of "running on contour" with stadia.

6. Describe the three point problem as used with plane

table.

Ontario Land Surveying.

7. (a) On the accompanying plan "A", mark the governing lines.

(b) State the systems of surveys for plans "B", "C", "D", and mark the fronts of the concessions in each case.

8. (a) How would you divide (i) Lot 5, Conc. III, in "B" into E. and W. halves? (ii) Lot 5, Conc. II, in “D” into N. and S. halves?

(b) How would the stakes be marked at "Z", "Y", "X", "W", "V", and "T" on the above?

Dominion Land Surveying.

9. (a) Briefly state the differences that exist between the 4th and 3rd systems.

(b) Define Azimuth, Bearing, Resurvey, Restoration Survey, and High Water.

10. (a) Briefly describe the method of dividing up the prairie into townships, giving the work required of different surveyors in laying out lines.

(b) Describe the monuments used to mark section corners (1) on section lines, and (2) on correction lines.

ELECTRICAL ENGINEERING I.

FACULTY OF PRACTICAL SCIENCE.

1. State briefly Ewing's Theory of Magnetism and show how it is sustained by experiment.

2. Discuss the D.C. Shunt Motor with respect to its starting and operating characteristics. Give diagram of connections to line and starting box.

3. Explain fully what necessitates the use of compound wound D.C. Generators. In self-excited machines explain the building up action of the voltage as the machine starts from rest. Why does the action not go on indefinitely?

4. What determines the power factor of a circuit? Show how it may be obtained by use of an ammeter, voltmeter and wattmeter in a single phase circuit. An A.C. electromotive force of constant value is impressed on a circuit having a resistance of 10 ohms and an inductance of .02 henry. By how much would the current and power-factor be affected by changing the frequency from 25 to 60 cycles?

5. Explain the action of a "Balancer" in a 3 wire, 220 volt, D.C. system. ・

6. An aluminum wire 1 millimeter in diameter and 1 meter long has a resistance of 0.037 ohm at 0°C. The temperature coefficient of the resistance of aluminum is 0.00139. What is the resistance per mile of No. 3, B.S.G., aluminum wire (area=52440 C.M.) at 20°C. 1 meter=39.37 inches.

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