Discuss the following: Which resources are being wasted and why?
A cable one mile long and 0.50 inch in diameter is composed of a steel core 0.25 inch in diameter and the
outside shell is aluminum. The resistance of the cable is _____ is Ps and Pa 57.4 and 17.5 ohm Cmil/ft,
respectively
15. The tooth thickness of a gear is 0.5 in. and its circular pitch 1.0 in. Calculate the dedendum of the gear.
14. An internal gear is set up with a 5 in diameter pinion and center distance of 18 inches. Find the diameter of internal gear.
7. It is generally recommended and normal for a designer to add a hunting tooth to evenly distribute the wear on meshing teeth like a 53 teeth mesh with 30 teeth pinion. Find the rotation of pinion to mesh same pair of teeth again.
13. A pump that operates a head of 30 m is used to deliver 80 liters per second of water at an efficiency of 85%. The pump is driven by a diesel engine by means of chain and sprocket with a service factor of 1.3. If horsepower per strand is 25, find the approximate number of strands needed.
8. Find the standard distance between sprocket having 4 in and 16 in diameters.
7. A chain with speed 800 fpm has driving sprocket turns at 900 rpm. If the pitch of chain is ¾ in, find the number of teeth of driving sprocket.
Calculate vo(t) and show the phasor diagram of the currents in the given circuit.
a) Draw a block diagrams of the following:
- a 4-to-1 multiplexer.
- a 4-to-2 encoder.
How is the 4-to-2 encoder different from a 4-to-1 multiplexer?