Epidemiology Quiz X omar. edu/anthro/medical/quizzes Mediqui3.htm
** CORRECT --Epidemiology is the field of medical
science that is focused on learning about how, where,
and why diseases develop and how best to control their
spread
2
.
Diseases thar are avays present in a community, usually at a low,
more or less constant, frequency are classified as having an
pamer.
a) epidemic
Ob) endemic
c) pandemic
Which of the following starements is a

Vibration monitoring this technique uses the noise or vibration created by mechanical equipment and in seme cases by plant systems to detemine their actual condtion. a)- true b)- false

What is the heat treatment of metals? what is the benefit of it? why and how it's useful? answer in details, do not write by hand.

Amixture of slurry and mud is to be pumped through a horizontal pipe of diameter 500 mm. the fluid behaves as a bingham plastic with a yield stress of 30 pa and viscosity 0.04 pa. s. describe the effects of the shear stress through a transverse section of the pipe by plotting the variation in shear stress and velocity profile: (i) just before the slurry starts to move (ii) as the slurry flows when the pressure gradient is double that in part (i)