Related Questions

The system of forces acting on the aircraft are propulsive forces, aerodynamic forces, gravitational forces and these result in inertial forces.
The ratio of inertial forces to elastic forces is called the __________ number.
The ratio of inertial forces to gravity forces is called the __________ number.
The ratio of pressure forces to inertial forces is called the __________ number.
Ratio of inertial forces to surface tension forces is called the __________ number.
The ratio of inertial forces to viscous forces is called the __________ number.
Three elastic constants for a completely anisotropic elastic material which follows the Hooke's law are young's modulus, elastic limit stress and yield stress. Which of the following properties is most sensitive to increase in strain rate ?
Elastic failure of a material occurs, when the tensile stress equals yield strength, yield point or the elastic limit. Also, the elastic failure occurs according to maximum strain theory, when the maximum tensile strain equals (where, $$\sigma $$ = yield strength and E = modulus of elasticity)
At low Reynold's number, the power (P) required for agitating a fluid in a stirred tank becomes independent of inertial forces. In this limit, indicate which of the following relations is satisfied:
Po = ρ/ρN3D5: Power number
Re = ρ ND2/μ: Reynold's number
N is the impeller rotational speed and D is the impeller diameter.
The ratio of inertial forces to viscous forces is called as ________