If you are riding on a bicycle with 676 mm diameter wheels, turning the cranks with...
If you are riding on a bicycle with 676 mm diameter wheels, turning the cranks with a cadence of 99 rpm, and your gear setting is: 30 teeth on the chainring and 20 teeth on the sprocket. What is the speed of your bike?
Select one:
a. 15.3 km/h
b. 22.4 km/h
c. 18.9 km/h
d. 14.2 km/h
Homework Answers
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If you are riding on a bicycle with 676 mm diameter wheels,
turning the cranks with...
Question 2 (a) A small electric vehicle is propelled by a motor with the performance data...
Question 2 (a) A small electric vehicle is propelled by a motor with the performance data shown in Figure Q2 below. The motor drives a gear with 12 teeth, which in turn drives a larger gear, which is attached to the vehicle's driving wheels. The diameter of the driving wheels is 380 mm and the vehicle is designed for a speed of 30 km/h. (Note: Errors of +10% in reading data from the graphs are acceptable for the purposes of...
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You are the designer and you have been asked to design a speed reducer (gearbox) that will take p...
power = 3 kW
if need any more information please ask !!!
You are the designer and you have been asked to design a speed reducer (gearbox) that will take power from the shaft of an electric motor rotating at 1500 rpm and deliver it to a machine that is to operate at approximately at 200 rpm Assume that you have decided to use spur gears to transmit the power [A power equal to the last one digits of your...
Question 2 (a) A small electric vehicle is propelled by a motor with the performance data shown in Figure Q2 below. The motor drives a gear with 12 teeth, which in turn drives a larger gear, which is attached to the vehicle's driving wheels. The diameter of the driving wheels is 380 mm and the vehicle is designed for a speed of 30 km/h. (Note: Errors of +10% in reading data from the graphs are acceptable for the purposes of...
Question 2 (a) In a 4-cylinder 4-stroke internal combustion engine, the cylinder bore is 78 mm and the stroke length is 95 mm. In a test, the brake mean effective pressure is 850 kPa and the speed is 2400 rpm. (i) What is the total displacement volume of the engine? Express your answer in mm’, mL, and m?. (ii) Calculate the work done by gas on one piston in one full cycle. (iii) Calculate the power output of the engine....
power = 3 kW
if need any more information please ask !!!
You are the designer and you have been asked to design a speed reducer (gearbox) that will take power from the shaft of an electric motor rotating at 1500 rpm and deliver it to a machine that is to operate at approximately at 200 rpm Assume that you have decided to use spur gears to transmit the power [A power equal to the last one digits of your...
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