MECHANICAL ENGINEERING JOB INTERVIEW QUESTIONS:-
1.). What is boundary layer ?
Ans.-Boundary layer is the fluid layer in the neighborhood of a solid boundary where the effects of fluid friction are predominant.
2.)What is meant by precision ?
Ans.-Precision is defined as the ability of instrument to reproduce a certain set of readings within a given accuracy.
3.)What is the difference between path line and stream line ?
Ans.-A path line is a curve traced by a single fluid particle during its motion. A stream line is an imaginary line drawn in a flow field such that a tangent drawn at any point on this line represents the direction of the velocity vector. There is no flow across the stream line.
4.). What is the difference between steady and unsteady flow ?
Ans.-In steady flow the velocity at a given point does not change with time whereas in unsteady flow it changes with time.
1.). What is boundary layer ?
Ans.-Boundary layer is the fluid layer in the neighborhood of a solid boundary where the effects of fluid friction are predominant.
2.)What is meant by precision ?
Ans.-Precision is defined as the ability of instrument to reproduce a certain set of readings within a given accuracy.
3.)What is the difference between path line and stream line ?
Ans.-A path line is a curve traced by a single fluid particle during its motion. A stream line is an imaginary line drawn in a flow field such that a tangent drawn at any point on this line represents the direction of the velocity vector. There is no flow across the stream line.
4.). What is the difference between steady and unsteady flow ?
Ans.-In steady flow the velocity at a given point does not change with time whereas in unsteady flow it changes with time.
No comments:
Post a Comment