Fluid Dynamics Quiz

What is the full name of the international system of units?

Which of the following is NOT a base quantity in the SI system?

Match the following SI base quantities with their corresponding base units:

What is the SI unit for volume?

What is the symbol for radian?

Scientific notation is a way to write very large numbers and very small numbers using decimals.

What is the prefix for the term 10^12?

What is the symbol for the prefix 'micro'?

A light year is a unit of distance.

What is the symbol for the unit 'angstrom'?

What is the symbol for the unit 'micron'?

Unit symbols are always printed in italic.

It is not accurate to use abbreviations for unit names, such as 'sec' for 'second' or 'sq.mm' for 'square millimeter'.

What is the term for the doubt or uncertainty associated with a measurement?

Which type of error tends to be in a single direction (either positive or negative)?

The smallest value that can be measured by a specific measuring instrument is called its 'least count'.

What is the term for the quantification or magnitude of error or doubt in measurement?

Which of the following is NOT a way to reduce uncertainty in measurement?

What is the term for the process by which a vector is split into two perpendicular components?

What is the name of the mathematical theorem used to calculate the sum of two perpendicular vectors?

The parallelogram rule and the triangle rule can only be used for collinear or coplanar vectors.

The order in which vectors are added in vector addition does not impact the resultant vector.

What is the term for the state of an object when the net force acting on it is zero?

Concurrent forces always act through a common point.

The first condition of equilibrium states that the sum of all forces acting on a body must be zero.

What is the term for the turning effect of a force?

Coplanar forces act in the same plane, but not necessarily through the same point.

What is the equation used to calculate the moment of a force about a point?

The sign (positive or negative) of a moment depends on the direction of the force and the displacement from the pivot point.

What is the term for the constant maximum velocity attained by an object falling through a resistive medium?

The coefficient of viscosity is a measure of the resistance to flow of a fluid.

What is the SI unit for viscosity?

Stokes's Law is a mathematical formula describing the viscous drag force on a spherical object moving through a fluid.

The equation of continuity states that the mass of an ideal fluid remains constant as it flows through a pipe.

Bernoulli's equation describes the conservation of energy in a fluid flow, relating pressure, speed, and height.