An equation for the conservation of kinetic energy can be obtained by ___________

the product of continuity equations and velocities

the product of momentum equations and mass

the product of momentum equations and velocities

the product of continuity equations and velocities

the product of continuity equations and mass

In which of these flows is the kinetic energy important?

Incompressible isothermal flows

It is treated explicitly when its contribution to the coefficient of the central node is positive

The implicit and explicit treatments do not depend on the sign of the coefficients

It is treated implicitly when its contribution to the coefficient of the central node is negative

It is treated implicitly when its contribution to the coefficient of the central node is positive

It is treated explicitly when its contribution to the coefficient of the central node is positive

Finite difference method conservative approach

Finite volume method non-conservative approach

Finite volume method conservative approach

Finite difference method conservative approach

Finite difference method non-conservative approach

1.	For incompressible flows with no body forces, the volume integral term is ____________
A.	viscous terms
B.	pressure forces
C.	body forces
D.	flux terms
Answer» B. pressure forces

2.	An equation for the conservation of kinetic energy can be obtained by ___________
A.	the product of momentum equations and mass
B.	the product of momentum equations and velocities
C.	the product of continuity equations and velocities
D.	the product of continuity equations and mass
Answer» C. the product of continuity equations and velocities

3.	In which of these flows is the kinetic energy important?
A.	Compressible flows
B.	Compressible isothermal flows
C.	Incompressible isothermal flows
D.	Incompressible flows
Answer» D. Incompressible flows

4.	Which of these changes do not contribute to a change in momentum in the momentum equation?
A.	Surface fluxes
B.	Surface forces
C.	Body forces
D.	Rate of change term
Answer» E.

5.	Which of these is correct for extra viscous terms in cylindrical coordinates?
A.	The implicit and explicit treatments do not depend on the sign of the coefficients
B.	It is treated implicitly when its contribution to the coefficient of the central node is negative
C.	It is treated implicitly when its contribution to the coefficient of the central node is positive
D.	It is treated explicitly when its contribution to the coefficient of the central node is positive
Answer» D. It is treated explicitly when its contribution to the coefficient of the central node is positive

6.	The difference between the conservative and the non-conservative approaches occurs in the ___________
A.	finite difference method
B.	finite volume method
C.	finite element method
D.	spectral element method
Answer» C. finite element method

7.	If the pressure force is not treated as a surface force in the finite volume method, what will happen?
A.	Non-conservative error
B.	Stability issues
C.	Boundedness problems
D.	Convergence issues
Answer» B. Stability issues

8.	In which of these approaches is the pressure force treated as a body force?
A.	Finite volume method non-conservative approach
B.	Finite volume method conservative approach
C.	Finite difference method conservative approach
D.	Finite difference method non-conservative approach
Answer» C. Finite difference method conservative approach

9.	For the incompressible flows, which of these terms will be zero?
A.	Pressure force
B.	Body force
C.	Bulk viscosity
D.	Shear force
Answer» D. Shear force