?What is often used to provide strong, lightweight support for tools?
A. ?epoxies
B. ?foams
C. ?silicones
D. ?polyurethanes
Answer: B
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Las dos medidas que se necesitan para comenzar a calcular un doblez de compensación son el/la:
a. longitud y ángulo del doblez. b. ángulo del doblez y la distancia entre los dobleces. c. ángulo del doblez y cantidad de contracción. d. ángulo del doblez y la altura requerida de la compensación.
What term describes the movement of electrons from one atom to another?
A) Energy transfer B) Electricity C) Chain reaction D) None of these
To convert a keypress to a binary code you would use ________
A) an encoder B) a decoder C) an adder D) a comparator
Two engineers are to solve an actual heat transfer problem in a manufacturing facility. Engineer A makes the necessary simplifying assumptions and solves the problem analytically, while Engineer B solves it numerically using a powerful software package. Engineer A claims he solved the problem exactly and thus his results are better, while Engineer B claims that he used a more realistic model and thus his results are better. To resolve the dispute, you are asked to solve the problem experimentally in a lab. Which engineer do you think the experiments will prove right? Explain.
What will be an ideal response?