Rosemary has a total of (1100001)BCD blue papers. One day she decided to create a 3D prism shape and used up (1010001)BCD pieces of paper on it. Now, calculate how many papers are left using the 8 bit 2s complement number system. Justify whether there is an overflow or not. Show ALL calculations.

Explain the difference laminar and turbulent flow. explain it with the shear stress and the velocity profiles.

Coiled springs ought to be very strong and stiff. si3n4 is a strong, stiff material. would you select this material for a spring? explain.

Adouble-strand no. 60 roller chain is used to transmit power between a 13-tooth driving sprocket rotating at 300 rev/min and a 52-tooth driven sprocket. a) what is the allowable horsepower of this drive? b) estimate the center-to-center distance if the chain length is 82 pitches. c) estimate the torque and bending force on the driving shaft by the chain if the actual horsepower transmitted is 30 percent less than the corrected (allowable) power.