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

Oborders

O curves

O faces

O edges

Joe has a set up in which the length of the load arm is 20cm and the length of the effort arm is 80cm. What is the mechanical advantage of the Jack?

The main difference between trusses and frames is trusses are made up of two force members and Frames are made up of multiple force member. a) - True b) - False

An airplane weighing 73.6 kN has elliptic wings 15.23 m in span. For a speed of 90 ms^-1 in straight and level flight at low altitude, find (a) the induced drag and (b) the circulation around sections halfway along the wings.

If you have a mold with one sprue, three runners and six gates and you want a gating ratio of 1:4:6 and the bottom of the sprue is 1 in2, what is the width of each runner and gate

Purely resistive loads of 24 kW, 18 kW, and 12 kW are connected between the neutral and the red, yellow and blue phases respectively of a 3-0, four-wire system. The line voltage is 415 V. Calculate: i. the current in each line conductor (i. e.

16 Suppose that a steel of eutectoid composition is cooled to 550°C (1020°F) from 760°C (1400°F) in less than 0.5 s and held at this temperature.

The rotor in a shaded pole motor consists of A coils energized by alternating current B a short circuited loop of copper wire c a permanent magnet D an iron cylinder

What factors are likely to promote the formation of stress corrosion cracks?

Find the mass if the force is 18 N and the acceleration is 2 m/s2

Which process must first take place in order for the proteins in foods to be used by body cells? (1) digestion (3) synthesis (2) storage (4) excretion