Practical Geometry & Graphics: A Text-book for Students in Technical and Trade Schools, Evening Classes, and for Engineers, Artisans, Draughtsmen, Architects, Builders, Surveyors, &cB. T. Batsford, 1912 - 621 σελίδες |
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Αποτελέσματα 1 - 5 από τα 63.
Σελίδα 12
... force the needle point of the compasses through the drawing - paper . Problem . To describe a circle of given radius - 1 · 6 in . , and to have its centre in a given point O. ( No Figure . ) Draw a straight line through O , and make OA ...
... force the needle point of the compasses through the drawing - paper . Problem . To describe a circle of given radius - 1 · 6 in . , and to have its centre in a given point O. ( No Figure . ) Draw a straight line through O , and make OA ...
Σελίδα 310
... force P in pounds necessary to lift a weight W in pounds with an experimental screw - jack is tabulated below , and the corresponding graph is shown in Fig . 304 . P lbs . W lbs . = 0.5 1 1.5 310 USE OF SQUARED PAPER .
... force P in pounds necessary to lift a weight W in pounds with an experimental screw - jack is tabulated below , and the corresponding graph is shown in Fig . 304 . P lbs . W lbs . = 0.5 1 1.5 310 USE OF SQUARED PAPER .
Σελίδα 311
... force which will lift half a ton , or the load lifted by a force of 15 lbs . get Where W = ton or 1,120 lbs . , substitute this value for Wand we 0-047 W + 04 P = This force lifts ton . = = ( 0.047 × 1120 ) + 0.4 0.4 52.64 53.04 lbs ...
... force which will lift half a ton , or the load lifted by a force of 15 lbs . get Where W = ton or 1,120 lbs . , substitute this value for Wand we 0-047 W + 04 P = This force lifts ton . = = ( 0.047 × 1120 ) + 0.4 0.4 52.64 53.04 lbs ...
Σελίδα 312
... force required to lift 70 lbs . is shown graphically by RS which = 3.69 lbs . , and the load lifted by a force of 2.7 lbs . is shown graphically by TU which 49 lbs . By calculation , if we put W = 90 lbs . in the equation we get P ...
... force required to lift 70 lbs . is shown graphically by RS which = 3.69 lbs . , and the load lifted by a force of 2.7 lbs . is shown graphically by TU which 49 lbs . By calculation , if we put W = 90 lbs . in the equation we get P ...
Σελίδα 326
... force and W the load lifted in lbs . Plot the probable graph repre- sented by the above law . Find also the load lifted when P = 20 lbs . ( 4 ) Plot the following values of P and W. They relate to a lifting appliance . · P ( force in ...
... force and W the load lifted in lbs . Plot the probable graph repre- sented by the above law . Find also the load lifted when P = 20 lbs . ( 4 ) Plot the following values of P and W. They relate to a lifting appliance . · P ( force in ...
Άλλες εκδόσεις - Προβολή όλων
Practical Geometry & Graphics: A Text-Book for Students in Technical and ... Edward L Bates,Frederick Charlesworth Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2015 |
Practical Geometry and Graphics: A Text-Book for Students in Technical and ... Edward L. Bates Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2017 |
Practical Geometry and Graphics: A Text-Book for Students in Technical and ... Edward L. Bates Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD axes axis bisector bisects called centimetres chord circle centre circular arc circumference cone construction corresponding crank curve cylinder describe a circle describe an arc determine diagonal diagram diameter dihedral angle direction distance divided Draw drawn edge ellipse equal equation figure fixed point force frustrum geometrical given angle given line given point graph graphically height hence horizontal hyperbola hypotenuse inch intersect Join joint latus rectum load locus magnitude measure meeting miles per hour obtain parabola parallel parallelogram perpendicular plan and elevation plane VTH planes of projection Plot polygon position prism Problem projector protractor Rabat radians radius ratio rectangle represent rhombus rotation scale semi-major axis set-square side sphere square straight line surface T-square tangent trace triangle ABC true shape vector velocity vertical plane
Δημοφιλή αποσπάσματα
Σελίδα 621 - Mr. Mitchell's two books form unquestionably the best guide to all the mechanical part of architecture which any student can obtain at the present moment. In fact, so far as it is possible for any one to compile a satisfactory treatise on building construction, Mr. Mitchell has performed the task as well as it can be performed.
Σελίδα 1 - 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.
Σελίδα 61 - Radian is the angle subtended, at the centre of a circle, by an arc equal in length to the radius...
Σελίδα 605 - Gallon = -1604 cubic foot = 10 Ib. of water at 62° F. 1 Knot = 6080 feet per hour. Weight of 1 Ib. in London = 445,000 dynes. One pound avoirdupois = 7000 grains = 453-6 grammes. 1 Cubic foot of water weighs 62'3 Ib. 1 Cubic foot of air at 0° C. and 1 atmosphere, weighs -0807 Ib. 1 Cubic foot of Hydrogen at 0° C. and 1 atmosphere, weighs '00559 Ib. 1 Foot-pound =1-3562 x 10
Σελίδα 621 - BUILDING CONSTRUCTION AND DRAWING. A Text-book on the Principles and Details of Modern Construction, for the use of Students and Practical Men. By CHARLES F. MITCHELL, Lecturer on Building Construction at the Polytechnic Institute, London, assisted by GEORGE A. MITCHELL.
Σελίδα 345 - If any number of forces acting at a point can be represented in magnitude and direction by the sides of a POLYGON taken in order, they are in equilibrium.
Σελίδα 2 - A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.