A reference oil with a viscosity of 300 cP takes 57 s to flow though a double-bulb capillary viscometer. A second fluid of interest takes 78 s. What is the fluid viscosity

i think its d if wrong im sorry

the answer is the index of refraction of the second medium is higher. i just took the test.

if i am correct, your answer choices are:

a. the temperature remains constant

b. the temperature increases at a constant rate

c. heat flows at a constant rate into the system

d. heat flows at a constant rate out of the system

e. no heat flows into or out of the system

if so, then the answer is e. no heat flows into or out of the system.