What are atomic bombs made out of

Just wondering

The 40-ft-long A-36 steel rails on a train track are laid with a small gap between them to allow for thermal expansion.

A. suspended B. denied C. canceled D. revoked

A specimen has circular cross-sectional area with initial diameter d = 26 mm and a gauge length Lo = 200 mm. A force P = 127 kN elongates the specimen by delta = 3 x 10^-1 mm.

On roads with lane signals, what does a yellow x mean? A. The lane you're in is about to close or change directions. B. The Lane in is closed or is being used for you coming traffic C. You're driving in the right direction, but you should slow down.

James is planning on registering for a course in electrical engineering. Which of the following sub disciplines could he opt for?

Familiarity with basic fastener properties: For each of the standard fasteners specified informally below, determine the major diameter d, the pitch p, the pitch diameter dp, and the bolt length L.

The diameter of a cylinder is called the a.) stroke b.) bore c.) principal length d.) radius

Consider the following grooves, each of width W, that have been machined from a solid block of material. (a) For each case obtain an expression for the view factor of the groove with respect to the surroundings outside the groove.

What is the last step to the design process? A: Define the problem B: Present solution C: Evaluate a solution D: Develop a solution

The controller can be considered the brain of closed loop system