Code of Federal Regulations: Containing a Codification of Documents of General Applicability and Future Effect as of December 31, 1948, with Ancillaries and IndexDivision of the Federal Register, the National Archives, 1953 |
Dentro del libro
Resultados 1-5 de 100
Página 252
... allowable pressure . The maximum allowable pressure of a boiler and its appurtenances or of an unfired pressure vessel shall be considered as the highest setting of the safety valves or relief valves . ( k ) Repair . Repair is the ...
... allowable pressure . The maximum allowable pressure of a boiler and its appurtenances or of an unfired pressure vessel shall be considered as the highest setting of the safety valves or relief valves . ( k ) Repair . Repair is the ...
Página 253
... allowable stresses for the material permitted in this subchapter . ( b ) When it is determined that the design of the boiler complies with all of the requirements specified in this sub- chapter and in Part 162 of Subchapter Q ...
... allowable stresses for the material permitted in this subchapter . ( b ) When it is determined that the design of the boiler complies with all of the requirements specified in this sub- chapter and in Part 162 of Subchapter Q ...
Página 254
... allowable pressure shall be accepted as the basis for determining the maximum allowable pressure where it is not practicable or possible to secure a record of the tests of the plates that en- tered into the construction of the boiler or ...
... allowable pressure shall be accepted as the basis for determining the maximum allowable pressure where it is not practicable or possible to secure a record of the tests of the plates that en- tered into the construction of the boiler or ...
Página 255
... allowable pressure and the minimum thickness of cylindrical shells subject to internal pressure shall be de- termined by the strength of the weakest course computed from the thickness and tensility of the material , the efficiency of ...
... allowable pressure and the minimum thickness of cylindrical shells subject to internal pressure shall be de- termined by the strength of the weakest course computed from the thickness and tensility of the material , the efficiency of ...
Página 257
... allowable stress used in the formulas for determining the maximum allowable pressure and the minimum thickness of the following pressure parts of boilers and unfired pressure vessels , shall not exceed 80 per- cent of the values given ...
... allowable stress used in the formulas for determining the maximum allowable pressure and the minimum thickness of the following pressure parts of boilers and unfired pressure vessels , shall not exceed 80 per- cent of the values given ...
Otras ediciones - Ver todas
Términos y frases comunes
amended applicant approved type barges bilge boiler bulkheads cargo tanks CGFR chapter combustion construction contracted for prior crew deck department diameter discharge engine equipment exceed feet fire extinguishing fire-tube boilers fitted flange freeboard deck fusible plugs grade gross tons heads holes hydrostatic test inspec inspector installed joints Lakes least length less license lifeboat load line located machinery spaces Marine Inspection master material maximum allowable pressure ment merchant mariner's document minimum motor vessels motorboats navigation November 19 ocean or coastwise Officer in Charge openings operating passenger vessels percent pilot pipe plate port pounds per square pressure vessels prior to November pump rafts regulations relief valve repairs riveted safety valve sels shell square inch stay staybolts steam or motor steel Subchapter Q Specifications Subpart superstructure TABLE tank ships tank vessels thickness tion U. S. Coast Guard Vessels contracted watertight welded
Pasajes populares
Página 72 - ... a bright white light so constructed as to show an unbroken light over an arc of the horizon of 20 points of the compass, so fixed as to throw the light 10 points on each side of the vessel...
Página 540 - On the port side a red light so constructed as to show an unbroken light over an arc of the horizon of 10 points of the compass, so fixed as to throw the light from right ahead to 2 points abaft the beam on the port side, and of such a character as to be visible at a distance of at least 2 miles.
Página 34 - ... that he will faithfully and honestly, according to his best skill and judgment, without concealment or reservation, perform all the duties required of him by law.
Página 475 - A combined lantern in the fore part of the vessel and lower than the white light aft, showing green to starboard and red to port, so fixed as to throw the light from right ahead to two points abaft the beam on their respective sides.
Página 223 - ... (b) If any test specimen shows defective machining or develops flaws, it may be discarded and another specimen substituted. (c) If the percentage of elongation of any tension test specimen is less than that specified in Section 5 (a) and any part of the fracture is more than f in.
Página 170 - It must not interfere in any way with the navigation and necessary work of the ship, or with the provision of a safe margin of stability at all stages of the voyage, regard being given to additions of weight, such as those due to absorption of water and to losses of weight such as those due to consumption of fuel and stores.
Página 20 - For an original license as operator the applicant must have either with or without glasses, at least 20/20 vision in one eye and at least 20/40 in the other. The applicant who wears glasses, however, must also be able to pass a test without glasses of at least 20/40 in one eye and at least 20/70 in the other. The color sense will be tested by means of a pseudo-isochromatic plate test, but any applicant who fails this test will be eligible if he can pass the "Williams
Página 71 - ... subchapter. (b) In any case where it is shown to the satisfaction of the Commandant that the use of any particular equipment, apparatus, or arrangement not specifically required by law is unreasonable or impracticable, the Commandant may permit the use of alternate equipment, apparatus, or arrangement to such an extent and upon such conditions as will insure, to his satisfaction, a degree of safety consistent with the minimum standards set forth in this subchapter.
Página 55 - In order to obtain the special lifeboat man's certificate the applicant must prove to the satisfaction of an officer designated by the Secretary of Commerce that he has been trained in all the operations connected with launching lifeboats and the use of oars; that he is acquainted with the practical handling of the boats themselves; and, further, that he is capable of understanding and answering the orders relative to lifeboat service.
Página 40 - Such certificates shall be subject to suspension or revocation on the same grounds and in the same manner and with like procedure as is provided in the case of suspension or revocation of licenses of officers under the provisions of section 239 of this title.