Problem 2. (Keygen Client) Write a client program keygen. py that accepts lo (int) and hi (int) as command-line arguments, generates public/private keys (n, e, d), and writes the keys to standard output, separated by a space. The interval [lo, hi) specifies the interval from which prime numbers p and q needed to generate the keys are picked.

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

Water in a partially filled large tank is to be supplied to the roof top, which is 8 m above the water level in the tank, through a 2.2-cm-internal-diameter pipe by maintaining a constant air pressure of 300 kpa (gage) in the tank. if the head loss in the piping is 2 m of water, determine the discharge rate of the supply of water to the roof top in liters per second.

Shafts are machine elements that are used to a) carry axial loads b) direct shear loads c) transmit power d) rotate at constant speed e) none of the above circular and square shafts subjected to the same torque under the same circum behave a) the same way b) almost the same way