»Question 1A reverted gear train with a speed ratio of 12 consists of four gear wheels.Gear A has a module pitch of 3 mm and is meshed with gear B. Whereas gear Cthat is meshed with gear D has a module pitch of 2.5 mm. Gear B and C form acompound gear system. The distance between axis of rotation of driving gear Aand driven gear B is equal to 200 mm. If gear A has 24 teeth, determine thesuitable number of teeth for all gears.Question 2A Porter governor has a minimum speed of 134 rpm and a range of speed of21 rpm. All four arms of the governor are equal in length, and each is equal to250 m. The ball mass and the central mass loaded on the sleeve are 5 kg and15 kg, respectively. Calculate the angle between the two upper arms of thegovernor when the governor starts to lift and when the governor is at maximum.Question 3A crank shaft of an engine shown in Figure 1 is connected to a flywheel and havea mean speed of 200 rpm. The angle 0 represents the movement of the crackfrom inner dead centre. The resisting torque for the engine is constant and theturning moment curve is represented by equation 1. If the total fluctuation ofspeed is equal to 1% of the engine mean speed, calculate the mass moment ofinertial of the flywheel.T = (20 + 95 sin 20 - 57 cos 20) Nm(1)WBGtuttFigure 1: An engine

given; module gear of A & B (m1)=3mmmodule of gear C&D(m2)=2.5mmdistance of gear axis A…

Question 1 A reverted gear train with a speed ratio of 12 consists of four gear wheels. Gear A has a module pitch of 3 mm and is meshed with gear B. Whereas gear C that is meshed with gear D has a module pitch of 2.5 mm. Gear B and C form a compound gear system. The distance between axis of rotation of driving gear A and driven gear B is equal to 200 mm. If gear A has 24 teeth, determine the suitable number of teeth for all gears.

Question 1 A reverted gear train with a speed ratio of 12 consists of four gear wheels. Gear A has a module pitch of 3 mm and is meshed with gear B. Whereas gear C that is meshed with gear D has a module pitch of 2.5 mm. Gear B and C form a compound gear system. The distance between axis of rotation of driving gear A and driven gear B is equal to 200 mm. If gear A has 24 teeth, determine the suitable number of teeth for all gears.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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