When fluid is incompressible then________________?

Options:

  • A. The velocity of the fluid is constant
  • B. The flow of the fluid is the straight line
  • C. The density of the fluid is constant
  • D. The volume of the fluid is constant
View Answer

C. The density of the fluid is constant

Random errors can be reduced by_______________?

Options:

  • A. Taking zero correction
  • B. Comparing the instrument with another more accurate one
  • C. Taking mean of several measurements
  • D. All methods explained in A, B and C
View Answer

C. Taking mean of several measurements

One pico stands for_________________?

Options:

  • A. 10 raised to power -15
  • B. 10 raised to power -12
  • C. 10 raised to power -9
  • D. 10 raised to power -6
View Answer

B. 10 raised to power -12