Engineering Mechanics

(^668) „„„„„ A Textbook of Engineering Mechanics Taking moments about the centre of gravity (G) of the car and equating the same ...

Chapter 32 : Motion of Vehicles „„„„„ 669 ∴ tan α= 0·35 0·1443 2·425 = or α= 8·2° Ans. EXERCISE 32.2 A jeep of mass 1250 kg, wi ...

(^670) „„„„„ A Textbook of Engineering Mechanics Transmission of Power by Belts and Ropes 670 33 CHAPTERCHAPTERCHAPTERCHAPTERCHA ...

Chapter 33 : Transmission of Power by Belts and Ropes „„„„„ 671 In Fig. 33.1 is shown an open belt drive consisting of pulleys A ...

(^672) „„„„„ A Textbook of Engineering Mechanics Since the length of belt, that passes over the driver in one minute, is equal t ...

Chapter 33 : Transmission of Power by Belts and Ropes „„„„„ 673 Fig. 33.3. Compound belt drive. Let d 1 = Diameter of pulley 1, ...

(^674) „„„„„ A Textbook of Engineering Mechanics also cause some forward motion of the belt without carrying the driven pulley w ...

Chapter 33 : Transmission of Power by Belts and Ropes „„„„„ 675 33.7.TYPES OF BELT DRIVES The power, from one pulley to another, ...

(^676) „„„„„ A Textbook of Engineering Mechanics 33.10.LENGTH OF THE BELT It means the total length of the belt, required to con ...

Chapter 33 : Transmission of Power by Belts and Ropes „„„„„ 677 We know that the length of the belt, L= Length of arc GJE + EF + ...

(^678) „„„„„ A Textbook of Engineering Mechanics Let the belt leave the larger pulley at E and G and the smaller pulley at F and ...

Chapter 33 : Transmission of Power by Belts and Ropes „„„„„ 679 Note: 1. We see that the above expression is a function of (r 1 ...

(^680) „„„„„ A Textbook of Engineering Mechanics An engine, running at 150 r.p.m. drives a line shaft by means of a belt. The e ...

Chapter 33 : Transmission of Power by Belts and Ropes „„„„„ 681 Example 33.7. Find the necessary difference in tensions in N in ...

(^682) „„„„„ A Textbook of Engineering Mechanics R= 222 TTTδθ δ δθ δθ ++ = T δθ ...(ii) ... Neglecting 2 ⎛⎞δδθT ⎜⎟ ⎝⎠ Now resolv ...

Chapter 33 : Transmission of Power by Belts and Ropes „„„„„ 683 Let T 2 = Tension in the belt in slack side We know that speed o ...

(^684) „„„„„ A Textbook of Engineering Mechanics From the geometry of Fig. 33·10, we find that ∠ HO 2 K=∠ JO 1 E 2 θ ∴∠ MO 1 O 2 ...

Chapter 33 : Transmission of Power by Belts and Ropes „„„„„ 685 Let m= Mass of the belt per unit length, v= Linear velocity of t ...

(^686) „„„„„ A Textbook of Engineering Mechanics Solution. Given: Thickness of belt (t) = 8 mm = 0·008 m; Width of belt (b) = 15 ...

Chapter 33 : Transmission of Power by Belts and Ropes „„„„„ 687 Solution. Given: Power to be transmitted (P) = 35 kW; Effective ...