2. At the place where a conductor enters a building, state all the precautions to be taken against fire or leakage of current.

3. (a) What is a "resistance box," or a resistance coil? (b) What is its use, and how should it be placed?

4. Describe the principal features and the construction of a switch-board, with the uses of each part, and the precautions required in placing the board.

5. (a) State what is the use of "cut-outs;" (b) How are they constructed, and where are they placed?

6. (a) How are lightning arresters constructed?

should they be used?

(b) Where

7. Is there anything about the switches on an electric system which requires the inspector's attention, and if so, what?

8. In incandescent lighting, describe the several methods of delivering current to the lamps, and the corresponding voltage in each case.

9. (a) Describe the best system of insulation for electric wires now in use, including conduits. (b) Give the rules governing their use and the drawing in of wires.

10. What causes of damage to insulation, or leakage of current can you name?

11. What tests are required of fixtures before they are connected with the supply conductors?

12. State the special requirements in the installation of electrical heating apparatus, stoves, etc.

13. What precautions are necessary in the dynamo-room against fire, loss of current, or damage to life?

14. How would you test an electric system in a building, to be sure that it is in all respects in complete working order?

15. Make a sketch of an isolated plant composed of a pair of dynamos running in parallel and connected to a switch-board, the switch-board to be connected to eight house circuits.

1. State what experience you have had, if any, in electric lighting work. Also whether you have had charge of such work, and how long?

2. State whether you have learned any mechanical business, and if so, what?

3. State what education you have had which would fit you for an Inspector of Electric Wires and Appliances.

4. State what experience you have had, if any, in the installation of engines and dynamos, and the apparatus connected thereto; or in the running of the same.

5. State your age and general education.

6. Give any other facts bearing on your qualifications for the

position.

INSPECTOR OF REGULATING, GRADING AND

PAVING.

TECHNICAL.

No.

Date, October 25, 1897.

1. (a) State or show by sketch how paving blocks should be laid at street intersections.

(b) How are the paviors guided in placing blocks as to grade? 2. Describe the process of preparing the earth surface of a roadbed for paving, and state why this work is necessary.

3. Of what materials is concrete composed? In what proportions are they mixed? When should water be added to the mixture? How do you know when enough water has been added? What time may pass from the time concrete is mixed till it is placed? How do you know when concrete has been rammed enough? How long does it take concrete to set? How thick should concrete be for bed for paving? Why should concrete be carefully put in place rather than thrown in with shovels?

4. Suppose that in grading a new street a high fill has to be made; how should the filling be done to insure the least settlement subsequently?

5. In making such a fill, what is the reason for requiring certain portions of the bank to be free from large stones?

6. When rock excavation is to be made near water pipes, how should it be done?

7. What are the principal causes of accidents from blasting in the streets?

8. State every defect which you would think sufficient to warrant the rejection of a paving block; (a) as to form, etc.; (b) as to material.

9. What inspection is necessary on a pavior's work?

10. What inspection is necessary on a rammer's work?

11. (a) How would you test the tar used in filling the joints in a stone paving? (b) Describe the good and the bad. (c) What is the effect of pouring hot tar on wet gravel?

12. Before placing asphalt in any form upon a concrete foundation, or the finishing coat upon the cushion coat, what one point is essential?

13. At what temperature should asphalt be mixed? How long should it be rolled? How heavy should the roller be?

14. (a) State fully the proper material for and method of finishing the top surface of a macadam road. (b) How can it be told that it is finished?

15. How close to paviors may the rammers work? Why not closer.

16. Write a report of one page descriptive of two sections of block paving, one of which is supposed to be well done, and one poorly done.

4. How many square yards of earth have to be removed to make a trench 27 feet long, 8 feet wide, and 5 feet deep?

No.

INSPECTOR OF ELEVATORS.

Date, November 9, 1897.

TECHNICAL.

1. (a) What kinds of power are used for running elevators? (b) Describe the ways in which each is applied.

2. Name the different parts of an elevator, beginning at the cage or car and ending at the motive power.

3. Why is more than one hoisting rope or cable used?

4. How can you tell when a cable is in a safe running condition? 5. Why is it necessary to maintain a pressure on the exhaust side of the piston of a high-pressure hydraulic elevator?

6. Generally, what part or parts of elevators wear out quickest and require the most care?

7. What parts of an hydraulic elevator require the most careful inspection?

8. In what ways is the action of safety devices governed?

9. How can you determine the speed of the elevator at which some safety devices will act?

10. Without determining the speed of action or throwing in the safety clutch, how can you tell by inspection that the clutches are in proper working condition?

11. State under what circumstances the safety devices may fail to act.

12. How often should elevators and their appliances be examined by the person in charge?

13. What parts of an elevator should be inspected, and how often?

14. As an inspector, what would you do if you found the elevator defective to such extent that its use was dangerous? Appended were plans and this question:

15. Describe the accompanying drawings, telling what each figure shows, and name the parts of the machine, using the letters of reference.