Suppose host a send two tcp segments back to back to host b over a tcp connection. the first segment has sequence number 90; the second has sequence number 110.

1.how much data is in the first segment?

2. suppose that the first segment is lost but the second segment arrives at b. in the acknowledgement that host b sends to host a, what will be the acknowledgement number?

Afour cylinder four-stroke in-line engine has a stroke of 160mm, connecting rod length of 150mm, a reciprocating mass of 3kg and its firing order is 1-3-4-2. the spacing between cylinders is 100mm. i. show that the engine is in balance with regard to the primary inertia forces and primary 3. a and secondary inertia couples. li determine the out of balance secondary inertia force ii. propose ways of balancing this out of balance force and discuss the challenges that will arise

Different types of steels contain different elements that alter the characteristics of the steel. for each of the following elements, explain what the element does when alloyed with steel.

The drive force for diffusion is 7 fick's first law can be used to solve the non-steady state diffusion. a)-true b)-false