CD with 1st, 2nd class Answers available for sale !!!

Answers cover all questions published on world-known Canadian Engineering web site: Applied Mechanics, Thermodynamics, Naval Architecture and Electrotechnology + bonus: 613 answers on Motor and General Knowledge.

Sample: Applied Mechanics.

10. A gear box is to be arranged for four speeds in approximate geometrical progression, one of which is to be a direct drive. The driving shaft transmits 30 kW at 2400 rev/min, and the speed of the driven shaft in lowest gear is to be approximately 400 and the layshaft is 180 mm and all teeth are 6 module. Find:

1) the necessary number of teeth in each pair of gears

2) the torque on the driven shaft

3) the torque on the gear-box frame in lowers gear neglecting friction

Ans: TA + TJ = 24, TB + TK = 36, TC = 48 TD = 12, TE = 41 TF = 19, TH = 27 TG = 33

Ans: 716.22 Nm

Ans: 596.85 Nm in the direction of driving torque

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