1. Which of the following are the lines defining the borders of a shape? (1 poz

Oborders

O curves

O faces

O edges

For each of the cases below, determine if the heat engine satisfies the first law (energy equation) and if it violates the second law. 1. ˙QH=6 kW,˙QL=4 kW,˙W=2 kW 2. ˙QH=6 kW,˙QL=0 kW,˙W=6 kW 3. ˙QH=6 kW,˙QL=2 kW,˙W=5 kW 4.

By increasing the cross-sectional area of the restriction, one can significantly increase the flow velocity. a) True b) False

A resistor, inductor and capacitor are connected in series, each with effective (rms) voltage of 65 V, 140 V and 80 V, respectively. If the resistor is rated at 24 W, what is the average power dissipated in the circuit

Briefly explain how each of the following influences the tensile modulus of a semicrystalline polymer and why: (a) molecular weight (b) degree of crystallinity (:1 deformation by drawing (d) annealing ofan undefonned material (e) annealing of a

What are the relative volume requirements for a CM reactor compared to a PF reactor if first-order kinetics apply and treatment efficiencies of 50%, 75%, 90%, 95%, and 99% are required?

Roentgens are used to measure the amount of: uranium fuel burned radiation hydrogen isotopes

What is the maximum % carbon for structural steel?

An airplane flies from San Francisco to Washington DC at an air speed of 800 km/hr. Assume Washington is due east of San Francisco at a distance of 6000 km.

An example of Ferrous alloy is Brass a) - True b) - False

There is no difference in boring and drilling. a) - True b) - False