9) Design a new pipe to replace ageing infrastructure, which is a series pipe system consisting of a 225m long pipe, D=0.3m and a 400m long pipe, D=0.5m. Use a single concrete pipe, k=0.3mm for the new design, and find the diameter required. Q=0.1m³/s (D=0.36m)

Statement: Torque is considered as negative if the right hand thumb direct outward from the shaft when the other 4 fingers go with the twist direction, as shown below. Question: Is the above statement true or not true?     Yes  No

Statics of Rigid Bodies Note: If you have already answered the problems in this post, kindly ignore it. If not, then answer it. Thank you, Tutor! Content Covered: - Method of Joints Direction: Create two problems based on the topic "Method of Joints" and then solve them with a complete solution. In return, I will give you a good rating. Thank you so much! Note: Please bear in mind to create two problems based on the topic "Method of Joints." Be careful with the calculations in the problem. Kindly double check the solution and answer if there is a deficiency. And also, box the final answer. Thank you so much!

help[