## Practical Marine Engineering for Marine Engineers and Students, with Aids for Applicants for Marine Engineers' Licenses |

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### Common terms and phrases

adjustment air pump amount angle arrangement auxiliary bearing blades bolts braces brass burner carbon cast iron check valve coal combustion chamber compression condenser connecting rod crank crank pin crosshead cylinder diameter distance drum eccentric efficiency evaporation exhaust expansion feed pump feed water feet fire firetube boilers fitted flange force fuel furnace gage given heat Hence high pressure holes increase indicated horsepower joint length lever load low pressure lubrication Marine Engineering Fig mean effective pressure means metal motion operation percent pipe piston rod pitch port pounds per square propeller ratio reciprocating engines reduced result revolutions revolutions per minute rings rivets screw shaft ship shown in Fig side speed square inch steam pressure steel stroke stuffing box surface temperature tensile strength thickness tion tubes turbine usually valve gear vanes velocity volume watertube boilers weight wrought iron

### Popular passages

Page 779 - It has been seen that a heat unit is the quantity of heat required to raise one pound of water one degree in temperature...

Page 913 - A Circle is a plane figure bounded by a curved line every point of which is equally distant from a point within called the center.

Page 738 - MEP in pounds per square inch; A = area of piston in square inches; L = length of stroke in feet ; N= number of working strokes per minute.

Page 902 - RULE. 1. Separate the given number into periods of three figures each, beginning at the units place.

Page 913 - A trapezium is a figure, such as ABCD, having four angles and four sides, no two of the latter being parallel. AREA, ABC D. To find the area of a trapezium, having given the figure complete : Rule — Divide the trapezium into two triangles, and proceed with each separately, and then add. [8] Regular Polygons. A regular polygon is a figure, such as ABCDE, having any number of equal sides and a like number of equal angles. They are named as follows : Number of Sides. Names. 3 Triangle 4 Square 5 Pentagon...

Page 172 - ... inch larger than the thickness of the plate. The depth of the ring between the flanges shall be not less than three times the diameter of the rivet holes, and the ring shall be substantially riveted to the flanges. The fire edge of the ring shall terminate at or about the point of tangency to the curve of the flange, and the thickness of the ring shall be not less than one half inch. The pressure allowed shall be determined by the following formula : ADAMSON FURNACES IN SECTIONS OF NOT LESS THAN...

Page 894 - The ratio between two numbers is simply their numerical relationship expressed as the quotient of the first divided by the second. Thus the ratio of 6 to 3 is 2 ; of 1.2 to 3 is .4; of 4 to 5 is .8, etc.

Page 870 - In the usual way of writing fractions, as ~, -fc -^, -^, etc., the number below the line is called the denominator and shows into how many equal parts the larger or principal unit is divided in order to furnish the smaller or fractional unit.

Page 39 - ... with the name of the manufacturer, the place where manufactured, and the number of pounds tensile strain it will bear to the sectional square inch...

Page 163 - Bumped heads may contain a manhole opening flanged inwardly, when such flange is turned to a depth of three times the thickness of material in the head.