532 APPLIED, MECHANICS 
15. 424 lbs.; 10°23 inches, 
16. Bending moment at centre, 27°5 foot-tons; ba hc force at 
1°4 tons. ‘ 
17. 37°5 foot-tons; 5 tons. 18. Tension in chain, 2640 lbs. 
19. Reaction at OC, 12°4 tons; reaction at D, 17°6 tons; bending mome 
centre, 43°6 foot-tons; shearing force at centre, 4°6 tons. 
Via. pp. 70-72. 
a. (1) 22,282; (2) 0°4456 ; (3) 0°0007427 ; (4) 24:95. 
2. (1) 25,133 lbs.; (2) 0°0256 inch. 3. 460°9; 4609.. 
4. (1) 0° 0432 inch ; (2) 4800 lbs. per square inch ; (3) 7248°5 Ibs. 
5. 9447 lbs. per square inch tensile stress in steel ; 6144 lbs. per square i 
compressive stress in copper; 0°2182 inch; 36,551 Ibs. 
7, (1) 19°9882 inches; (2) 24,083 lbs, per square inch; (3) 16,858 lbs, 
square inch, 8, 21°9875 inches; 7000 lbs. per square inch; 19-9951 inches. 
9. 500 feet ; increase in length, 0°18 inch. 10. 0°1055 inch, J 
11. (a) 6972 ft.-Ibs. ; (0) 8°21 ft.-lbs. ; (a) +(b) 849. 12. §. j 
13. 17,112 Ibs. per square inch; 0°041 inch. 14. 21,231 Ibs. per square ini 
15. 12,937 lbs. per square inch; 0°588 inch. 16. 1989 inch-lbs, 
17. 13,650 lbs. per square inch; 0°505 inch. 
VIb. pp. 78-79. 
=tearing efficiency per cent. E,=shearing efficiency per cent. Ey=co 
bined shearing and tearing efficiency per cent. * 
1, E,, 56°25; E,, 56°45; crushing stress, 36 tons per square inch. 
2. E,, 71'7; E,, 71°7; crushing stress, 23°61 tons per square inch. 
’ 3. p=3 inches; E,, 68°75; E,, 67°2. ; 
4, d=1,5; inches; p=4% inches; E,, 72°4; E,, 72°9. 
. Hy, 75°7; H,, 75°33; He, 70°2. 
. d=17% inches ; p=7} inches ; E;, 79°8; E,, 79°38; Ey, 79°6. 
. p=6% inches; K,, 84°9; E,, 85°2; By, 86°85. 
. p=74 inches; E;, 86°7; E,, 86°0; Ey, 90°5.. 
. Ey, 86°63; E,, 115°2; Ey, 87°6. 
10. p=7% inches; d= inch; E;, 88°9; E, 89°2; Hye, 88°9. 
11. E,, 68°2; H,, 71°8; E,, 84:1; E,, 89° 8; Ex, 86:1. 
12. 81°35 per cent. ; shearing of outer rivet and tearing between rivers 
next row. 
18. d=% inch; d,=}$ inch; E,, 82'5; E,, 84:9; Ey, 82:3. 
; 96 § inch; 89°8. 16. 140 Ibs. per square inch; 2-917 tons per squa 
inch. 
17. 9600 lbs. per square inch; 5 feet 4 inches. 18, 10,377. 
19. 200. 20. s=1‘ld; b=1°37d; t=0°38d. 
21. d=1°60; b=s=1'80; t=0°69. 
22. d,=1° 24d ; o=1 ‘5bd 3 t= 034d ; D=1°'65d ; D,=2°48d, 
Vic. pp. 84-86. 
1, 26,260; 2°46 inches, 2. 2941 Ibs. per square inch. 3, 3°4inches. = 
4, 2885; 5557 lbs. per square inch. 5. 6016 lbs, per square inch. 
6. 311,953 inch-lbs,; 35°7 ; 121°2 revolutions per minute. 7. 13,125. 
8. 14°39 inches. 9. 0°714; 50. 
10. (1) 14,181 Ibs. per square inch ; (2) 43,507 inch-lbs.; (3) 124°25, — 
11. 90°8; 15°7. 12. 1°87 inches; 5672 lbs. per square inch, 
13. 8°52 "inches ; 37 1s 057. 
14. Total twist, 3:7 degrees ; the diameters of the pulleys are not required, 
15. n=2°95 ; C= 11,980,000 Tbs. per square inch. 
16. 40°9 lbs.; 4°12 inches ; 7:02. 17. 4614. 18. 53°4 incl: 
19. 0°226 inch; 22 inches. 
