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4. A level being given you to work with, how would yon examine and 20 test it before starting work?

5. Describe fully the principles and method of a Traverse Sarvey with 80° a theodolite.

6. Give any two methods of setting out a carve, and note the data 130 which you must first obtain before starting to lay out the curve.

7. How would yon range a line through an obstacle both with and 20 without angular instruments.

8. Work out and plot the following extract from a field-book :

20

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MATERIALS OF CONSTRUCTION.

Examiner E. R. GARDINER, ESQ.

The figures in the margın indicate full marks.

1. What are the chief points to look to in selecting a brickfield?

40

2. Describe the process of clamp-burning bricks, and note the quan. 60

30

tity of fuel required.

3. Specify for bricks, surki and sand, for use in 'first-class work.

4. Give the description nd quantities of material you would use in 50

the mortar for first-class brickwork and for terraced roofing.

5. What are the sources of lime supply in Bengal ? Describe the process of lime-burning in continuous kilns.

6. Describe the manufacture of steel joists.

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7. Detail the methods of testing the qualities of lime and cement. Describe the process of mixing and laying on of paint. What is 60

8.

the use of a priming coat, and what is it composed of?

CHEMISTRY.

Examiner-J. A. CUNNINGHAM, Esq., B.A., A.R.C.Sc.I.

1. Why do we conclude that the molecule of hydrogen includes two atoms?

3. What is the density of carbon dioxide relative to air! Why is it not found exclusively in the lower regions of the atmosphere?

3. Explain the chemical meaning of the terms "soft" and "hard" as applied to natural waters. How are hard waters softened ?

4. Calculate the percentage of the metal aluminium in a clay whose forInula is Ale 8i Op.

(A1~27 ; Si~28).

5. How is silver commonly extracted from its bres ? Point out the compounds of silver which are analogous to those of copper and mercury.

6. How would you distinguish between fragments of quartz and diamond?

7

State Dulong and Petit's-Law. Define and explain the terms " specific heat" and " atomic heat."

8. Describe the characteristic properties which justify the inclusion of the metals of the alkaline earths in one natural family or group.

9

Describe the manufacture of Portland Cement, and explain the phenomenon of "setting.”

PRACTICAL CHEMISTRY.

Examiner-J. A. CUNNINGHAM, Esq., B.A., A.R.C.Sc.I.

1. Make a systematic analysis of the subst»nce A.

2. Determine the nature of the substances B and C. Special credit will be given for blowpipe methods.

N.B.-It is very important to write a clear and tidy account of your work.

THEORY OF LIGHT, HEAT, ELECTRICITY AND

MAGNETISM.

Examiner A. MACDONELL, Esq., M.A.

The same number of marks is given to each question. Only SEVEN question are

to be answered.

1 Explain how the coefficient of expansion of Mercury has been ob tained. Why is this coefficient of importance in physical measurement ? 2

Sketch a practical form of air thermometer and explain the method of using it. What are its advantages and disadv⋅ntages?

3. A body is said to absorb the same radiations as it gives out. What does this mean? Describe experiments which support the statement.

4. Define nodal points, planes of unit magnification, focal points of a given convex lens.

5. What is meant by interference? Describe one interference experiment.

6

How is the refractive index of a solid determined?

7 Define electrical capacity. How would you show that the capacity of a body depends on. (l. its area, (2) on the neighbourhood of other bodies, and that the capacity of a condenser depends on its dielectric ?

8.

What is magnetic permeability and how is it determined ? From the

HB curve given you find out how μ changes as H increases.

9.

Write a short note on electrical conduction in liquids.

10. Describe, with a sketch, the potentiometer methods, or any other good methods, of comparing electromotive forces.

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api alergikadas "PRACTICAL PHYSICS.

Examiner-A. MACDONELL, ESQ., M.A.

You are required to perform three experiments taken from the following list :

1. Find the radius of curvature of a lens by means of a spherometer.

2.

Verify Boyle's law and plot your results.

3. Find by a micrometer a given length.

4. Determine the cross section of a wire by weighing.

5. Find the specific heat of a solid.

6.

Find the melting point of the substance given you.

7.Determine the resistance of a coil.

8. Compare the Electromtive Force of two cells.

9. Find the constant of a tangent galvanometer by electrolysis. 10. Find the focal length of a lens.

11. Determine the co-efficient of linear expansion of a copper tube

APPLIED PHYSICS.

Examiner A MACDONELL, Esq., M.A.

The same number of marks is given to each question. Only SEVEN
questions are to be answered.

1. Describe some form of electric pyrometer.

3.

2. Explain, with sketches, the working of an ice-making machine. Describe the optical part of a theodolite telescope and show how the image of a distant object is formed by it.

4. How would you compare the intensity of two lights?

5. Give a sketch of a lightning conductor from tip to earth, showing how it is connected with the building.

6. Describe some form of amperemeter you know, and explain its action.

7. Make a sketch of an arrangement for conveying energy electrically to a distance, and explain why it is advantageons to use high voltage.

8. Sketch an ordinary accumulator cell. State how you would charge and discharge a battery of them and the precautions you would take in doing so.

1

9. Explain what is meant by the reaction of armature and field in à #dynamo.

DRAWING.

Examiner-B. G. GWYTHER, ESQ.

The figures in the margin indicate full marks.

1. Draw a scale of to show yards, feet and inches, and show with --25 thick line on this scale a distance of 2 yards, 2 feet and 7 inches.

2. Two semi-cylindrical vaults 12ft. and IQ ft diameter respectively, 50 spring from the same horizontal level, and meet at an angle of 30%. Draw the plan, and show the method of obtaining their curve of intersection. mollavala Bro€TM

8. Sketch the following items so that they might be intelligible to a person unacquainted with them :

[blocks in formation]

4.

(f) Screw jack.

Draw to scale (I" to a foot) the accompanying design for

wrought-iron street lamp.

A WROUGHT IRON
STREET LAMP.

Scale of Feet.

Plan at B.

Stone Base.

51

75

1

Plant at A.

Front Elevation.

Diagonal Elevation.

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