Mathematics for technical and vocational schools - Samuel Slade, Paperback

• Release Date   9/13/2013
• ISBN-13   9781130692259 | 978-1-130-69225-9
• ISBN   1130692256 | 1-130-69225-6
• Format   Paperback
• Author(s)   Samuel Slade
• This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1922 edition. Excerpt: ...foot. What is the included taper angle? 23. Find the included angle of taper of a Jarno taper which is.6" per foot. 25. In the Whitworth thread in Fig. 200 the sides make an angle of 55 with each other. The depth of the thread is two-thirds of the depth of the triangle formed by prolonging the sides. Find the depth of a thread of 1" pitch. 26. A road has a rise of 4 feet in 100 feet. What is the angle of slope with the horizontal? 27. A road has a slope of 1 50' with the horizontal. What is the rise in 100 feet. 28. What is the largest square that can be milled from a circular disk 6" in diameter? 29. Find the radius of a circle circumscribed about an octagon with 10" sides. 30. Find the angle of slope of the rafter with the horizontal in Fig. 201. Fig. 201 31. A chord of a 2" circle is 1.028" from the center. Find its length. 32. The chord of a 19§" circle is 11." long. Find the central angle and the distance from the center. 33. Lay out an angle of 12 40' by means of the value of its natural tangent. 34. Compute the missing dimension in the sketch in Fig. 202. 35. Compute the missing dimension in the fiat-headed screw shown in Fig. 203. 36. Fig. 204 shows a taper gib with a taper of-g" per foot. Compute the following dimensions: (a) Thickness at large end. (6) Dimension A at the small end. (f) Width W at the large end. (d) Width w at the small end. 37. Twelve bolt holes are to be drilled in a cylinder head on the circumference of a 14" circle. What is the straight line distance between centers of holes? 38. If 15 holes are drilled on the circumference of a 27" circle, find the distance center to center of holes. 39. Nine holes are to be drilled on the circumference of a circle...