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Higher Study | Fluid Mechanics | Properties of Fluids

Which of the following statements are true?
Fluid is a substance which offers no resistance to change of
The unit of kinematic viscosity is
The liquid used in manometers should have
For manometer, a better liquid combination is one having
Flow occurring in a pipeline when a valve is being opened is
Density of water is maximum at
An ideal fluid 
Milk mixes with water due to
Mercury is considered as a superior barometric fluid chiefly due to its
Viscosity of a gas
Given a container with fluid of volume 2 liters. When that container is weighed, it was found to be 3 N. What would be the specific volume of the liquid? Assuming the weight of the container to be negligible.
When the fluid is at rest, the shear stress is
Statement (I): In areas where extreme cold conditions are a regular feature, and more so particularly in winter, it is necessary to use lighter oil for automobiles than in summer. Statement (II): ‘Lighter’ in statement (I) refers to the oil density, which may be adjusted by admixtures.
Three rigid buckets, shown as in the figures (1), (2) and (3), are of identical heights and base areas. Further, assume that each of these buckets have negligible mass and are full of water. The weights of water in these buckets are denoted as W1, W2, and W3 respectively. Also, let the force of water on the base of the bucket be denoted as F1, F2, and F3 respectively. The option giving an accurate description of the system physics is
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