"Verbal" notes and sketches for marine engineers : a manual of marine engineering practice, intended for the use of naval and mercantile engineer officers of all grades, and students, and is specially compiled for the use of engineer officers preparing for examinations of competency at home or abroad . No 7—Steam Stop Valve and Seat. The valve seat is made of brass. The valve is made of brass. The seat is secured by three set pins ^ No. 8--Valve and Seat for Spring Safety Valve- The valve is made of spindle ,, ,, A pair of valves as shown100 square feet of gyrate. sufficie
"Verbal" notes and sketches for marine engineers : a manual of marine engineering practice, intended for the use of naval and mercantile engineer officers of all grades, and students, and is specially compiled for the use of engineer officers preparing for examinations of competency at home or abroad . No 7—Steam Stop Valve and Seat. The valve seat is made of brass. The valve is made of brass. The seat is secured by three set pins ^ No. 8--Valve and Seat for Spring Safety Valve- The valve is made of spindle ,, ,, A pair of valves as shown100 square feet of gyrate. sufficient for SECOND CLASS DRAWINGS. (Given at Board of Trade Examinations.) Under the revised Regulations for Second Class Certificates (1917), candidates are now required to make a sketch or, if preferred, a scale drawingof some simple part of the machinery or boilers. The following drawings, which are fully dimensioned, should be carefullycopied out for practice, either by hand sketch or roughly to scale, and if thelatter, the scales marked for each drawing should be employed. LIST OF DRAWINGS. (SECOND CLASS.) NOTE.—It is important that all sizes be marked on the drawings. 1. Main Bearing Bolt, complete. 2. Bottom End Bolt, complete. 3. Tapered Coupling Bolt, complete. 4. Distance Piece for Bottom End Brass. 5. Main Bearing Brass. 6. Bottom End Brass. 7. Steam Stop Valve and Seat. 8. Safety Valve, Seat, and Spindle. 9. Winch Slide Valve.
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Keywords: ., bookcentury1900, bookdecade1910, bookidverbalnotess, bookyear1917
