“A project costs $30,000 and generates $10,000 annually. What is the payback period?”

“If the Reynolds number for fluid flow is 2,400, the flow is:”

A particle of mass 2 kg has a velocity of 3 m/s. What is its kinetic energy?

Evaluate ?_0^1 (4x^2 + 3x) dx.

“If $10,000 is invested at 6% annual interest, what is its value after 3 years?”

Evaluate ?_0^2 (x^3 + 2x) dx.

The modulus of elasticity for a material is defined as:

“Solve dy/dx = 5x, if y(1) = 4.”

The effectiveness of a heat exchanger depends on:

“A steel bar has a cross-sectional area of 20 mm^2 and is subjected to a tensile force of 10,000 N. What is the stress?”