(1) If a user's input string matches a known text message abbreviation, output the unabbreviated form, else output: Unknown. Support two abbreviations: LOL -- laughing out loud, and IDK -- I don't know. (4 pts) Sample input/output:

Input an abbreviation: LOL

laughing out loud

(2) Expand to also decode these abbreviations. (3 pts)

BFF -- best friends forever

IMHO -- in my humble opinion

TMI -- too much information

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

Inadequate stores control is not an obstacle to effective work order system. (clo4) a)-true b)-false

At steady state, air at 200 kpa, 325 k, and mass flow rate of 0.5 kg/s enters an insulated duct having differing inlet and exit cross-sectional areas. the inlet cross-sectional area is 6 cm2. at the duct exit, the pressure of the air is 100 kpa and the velocity is 250 m/s. neglecting potential energy effects and modeling air as an 1.008 kj/kg k, determine ideal gas with constant cp = (a) the velocity of the air at the inlet, in m/s. (b) the temperature of the air at the exit, in k. (c) the exit cross-sectional area, in cm2