12) Surface tension forces affect which of the following:
a) meniscus shape in capillary tubes
b) bubble formation
c) bugs that can walk on water
d) a floating razor blade
e) all of the previous
13) The term \"hydrostatics\" governs the behavior of fluids
a) at rest or moving at constant velocity
b) at rest only
c) in motion as long as the velocity is low
d) moving at uniform high acceleration
14) To use Newton's second law in the form $F = ma/g_c$ in the English Engineering System, the value and
units for $g_c$ must be
a) 32.2 $ft/s^2$
b) 32.2 ft-lbm/lbf-$s^2$
c) 32.2 ft-lbf/lbm-$s^2$
d) 32.2 slugs/$ft^3$
15) The relationship between $°F$ and $°R$ is given by the expression
a) $°R = °F + 273$
b) $°R = °F + 460$
c) $°R = °F - 273$
d) $°R = °F - 460$
16 An example of a \"shear thinning fluid\" is
a) quicksand
b) water
c) silly putty
d) paint
7) A meniscus of a mercury manometer takes its shape because (best answer please)
a) the cohesive forces are greater than the adhesive forces
b) the adhesive forces are greater than the cohesive forces
c) the cohesive and adhesive forces are equal to each other, but opposite in direction
d) for every action, there is an equal and opposite reaction
