1510
THE HONGKONG GOVERNMENT GAZETTE, 6ти OCTOBER, 1905.
Papers to be collected punctually.
bid.
Sec. 167.
Viva xoce time extra.
Ibid.
Sec. 168.
Virâ voce
time allowed. Ibid.
Sec. 169,
Time allowed
for Naviga-
tion.
Ibid.
Sec. 170.
Order of work. Ibid.
Sec. 171.
Sumner problem. Ibid. Sec. 172,
Degree of precision required. Ibid.
Sec. 173.
121. Punctually at the expiration of the prescribed time all papers will be collected whether completed or not. If the papers are not completed, the Candidate will be declared to have failed, unless the Harbour Master should see fit to lengthen the period in any special case. Where such an extension of time is granted, the case must be fully reported to the Principal Examiner on the form Exn. 14.
122. The periods prescribed in the foregoing paragraphs are not intended to include the time occupied by the rivâ voce part of the examination.
123. In the rivâ voce examination a reasonable time should be allowed for the Candidate to give his answers. No assistance should be given or leading question put.
124. It is anticipated that few Candidates will require the whole of the time allowed for completing the examination in navigations, but ample time has been given, so that Candidates may perform their work in a careful, clear, and legible manner, and to the entire satisfaction of the examiners.
125. Candidates, after finishing the problems required in the various grades on the first day of examination, should proceed, until the end of that day, with such subject as the definitions, chart, questions relating to cyclones, and compass deviation.
126. The Summer problem (Exn. 6 c.) must ou no account be given out to any of the Candidates on the first day of the examination, but should form the commencement of the Candidates' work on the second day. On completion of this problem the Candidates for Masters' Cer- tificates should proceed with the problems (a.), (b.), (6.) of the syllabus for that grade.
127. Degree of precision required in the solution of the problems :-
(a.) Candidates are expected to work out their answers to all problems where the answer required is a latitude, long- itude or distance within 1 of position from a correct result; in finding the ship's position by Sumner's method a margin of 24' will be allowed.
(b.) In such problems as the "Amplitude" and "Alt-Azi- muth," where the bearing, deviations, &c., only are re- quired, a margin of 3′ or 4′ from a correct result will be sufficiently accurate.
(c) Candidates for Ordinary Certificates are not required to correct for second difference in taking out the quantities from the Nautical Almanac; and even Candidates for Extra Certificates are only required to show that they are acquainted with the method of second differences by correcting the elements for same in the lunar prob- lem.
(d.) In solving the Time Azimuth problems an answer not ex- ceeding half a degree from the exact result will be sufficiently near. But in all cases the actual latitude, declination, and time used, together with the exact bearing from the North or South as given in the tables, must be clearly shown by the Candidate on his papers. (e.) In computing the time at which a given star will be on the observer's meridian, and the name of the stars near the meridian (sections (b.) and (e.) of paragraph 32), an approximation only is required, and it will be sufficiently precise if the Candidate works throughout with the nearest minute of time. In computing the approximate meridian altitude of a star (section g.) working through- out with the nearest minute of are will also be sufficiently
close.
(7) In interpolating for the correct deviation to be applied in solving the chart question, it will usually be sufficient if the Candidate works throughout with the nearest degree of deviation taken from the deviation card; and even in cases where the deviations may vary but little, the nearest half degree used throughout will be suffici- ently precise. It is not necessary that the Candidate should waste his time in solving the course to odd minutes, as is sometimes done,
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