Guide Book to the Local Marine Board Examination: The Ordinary Examination |
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Page 18
... gives 34 hundreds , or three thousands and 4 hundreds , and writing 4 below the column of hundreds , carry the 3 thousands to the 25 thousands , and we get 28 thousands , or two tens of thousands and 8 thousands . Writing the 8 below ...
... gives 34 hundreds , or three thousands and 4 hundreds , and writing 4 below the column of hundreds , carry the 3 thousands to the 25 thousands , and we get 28 thousands , or two tens of thousands and 8 thousands . Writing the 8 below ...
Page 21
... gives 31 , write down 1 and carry 3 to the sum of 7 by 8 , or to 56 hundreds , and the entire number of hundreds is 59 , the whole product being 5912 . 16. When the multiplier is not greater than 12 . RULE V. 739 8 5912 Put the ...
... gives 31 , write down 1 and carry 3 to the sum of 7 by 8 , or to 56 hundreds , and the entire number of hundreds is 59 , the whole product being 5912 . 16. When the multiplier is not greater than 12 . RULE V. 739 8 5912 Put the ...
Page 24
... gives 600. In the second case , the 7 multiplied by 2 is the same as 70 multiplied by 200 ; and 70 multiplied by 200 gives 14000. In the third the product of the significant figures is 40768 X 30712515776 , to this five cyphers must be ...
... gives 600. In the second case , the 7 multiplied by 2 is the same as 70 multiplied by 200 ; and 70 multiplied by 200 gives 14000. In the third the product of the significant figures is 40768 X 30712515776 , to this five cyphers must be ...
Page 26
... gives 7 for a quotient and a remainder 9 ; and , therefore , 3168 contains 27 , 100 + 10 + 7 , or 117 times leaving 9 for the remainder . 189 = 7 times 27 9 It will be seen that as often as 27 is contained in 31 , so many hundred times ...
... gives 7 for a quotient and a remainder 9 ; and , therefore , 3168 contains 27 , 100 + 10 + 7 , or 117 times leaving 9 for the remainder . 189 = 7 times 27 9 It will be seen that as often as 27 is contained in 31 , so many hundred times ...
Page 27
... gives the number 16 : we therefore say ; 3 in 16 , 5 times and 1 over : 3 in 10 , 3 times and 1 over : 3 in 12 , 4 times : 3 in o , o times . Therefore , the quotient is 85340 ; and this is the complete quotient , as there is no ...
... gives the number 16 : we therefore say ; 3 in 16 , 5 times and 1 over : 3 in 10 , 3 times and 1 over : 3 in 12 , 4 times : 3 in o , o times . Therefore , the quotient is 85340 ; and this is the complete quotient , as there is no ...
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A Guide Book to the Local Marine Board Examination: The Ordinary Examination ... Thomas Liddell Ainsley No preview available - 2013 |
Common terms and phrases
A.M. at ship altitude sun's L.L. angle bearing by compass Bearing of Distant central line characteristic chronometer column common logarithms compass course correct magnetic bearing correct magnetic course corresponding cosecant cosine course and distance curve cyphers decimal point decl declination departure Deviation Required diff difference of latitude difference of longitude dist Distant Object Divide dividend divisor dotted line East equator error of compass EXAMPLES FOR PRACTICE figures find the correct given Greenwich date Greenwich mean Head by Standard height of eye hour-angle hundred index corr index correction Leeway logarithm mantissa Mate meridian altitude middle latitude miles Multiply Nautical Almanac needle North Object by Standard observed altitude sun's parallel parallel sailing pole quotient Raper remainder required the latitude Rule sailing secant ship's head sine South Standard Compass subtract Traverse Table True altitude true azimuth true course variation vulgar fractions West
Popular passages
Page 48 - The Logarithm of a number to a given base is the index of the power to which the base must be raised to give the number. Thus if m = a", x is called the logarithm of m to the base a.
Page 30 - PROOF. — Multiply the divisor by the quotient, and to the product add the remainder, if any.
Page 2 - Testimonials of character, and of sobriety, experience, ability, and good conduct on board ship will be required of all applicants, and without producing them no person will be examined. As such testimonials may have to be forwarded to the office of the Registrar-General of Seamen in London for verification before any certificates can be granted, it is desirable that candidates should lodge them as early as possible. The testimonials of...
Page 116 - Unlike sea water, brackish waters differ in quality, quantity, and composition not only from place to place, but also from time to time even at a given location.
Page 5 - Mates are made compulsory, the qualifications have been kept as low as possible; but it must be distinctly understood that it is the intention of the Board of Trade to raise the standard from time to time, whenever, as will no doubt be the case, the general attainments of officers in the Merchant Service shall render it possible to do so without inconvenience...
Page 3 - He will be questioned as to his knowledge of invoices, charter-party, Lloyd's agent, and as to the nature of bottomry, and. he must be acquainted with the leading lights of the channel he has been accustomed to navigate, or which he is going to use. In cases where an applicant for a certificate as master ordinary has only served in a fore and aft rigged vessel...
Page 3 - In addition to what is required by a Second Mate, he must know how to moor and unmoor, and to keep a clear anchor ; to carry out an anchor ; to stow a hold ; and to make the requisite entries in the ship's log.
Page 351 - How would you find the time of high- water at any place, the Admiralty tide tables not being at hand, nor any other special tables available '{ A.
Page 328 - With the deviation as above, give the courses you would steer by the Standard Compass to make the following courses, correct magnetic : — . . 9.
Page 106 - The variation is said to be easterly when the North end of the needle is drawn to the eastward, and westerly when drawn to the westward of the true North ; thus, when the North end of the needle points to that part of the horizon which is true NNW £ W., the variation is said to be 2^ points West ; but when it points to the N.