A. Surface tension
B. Gravity
C. Viscous
D. Elastic
Related Mcqs:
- Ratio of inertial forces to surface tension forces is called the _____________ number?
A. Euler
B. Froude
C. Mach
D. Weber - The ratio of pressure forces to inertial forces is called the _______________ number?
A. Froude
B. Euler
C. Reynold
D. Mach - The ratio of inertial forces to viscous forces is called the ______________ number?
A. Weber
B. Mach
C. Froude
D. Reynold - The ratio of inertial forces to elastic forces is called the __________ number?
A. Reynolds
B. Mach
C. Euler
D. Weber - The ratio of inertial forces to gravity forces is called the ______________ number?
A. Mach
B. Froude
C. Euler
D. Weber - The location of centre of pressure, which defines the point of application of the total pressure force on the surface, can be calculated by applying the principle of moments according to which “sum of the moment of the resultant force about an axis is equal to the sum of the components about the same axis”. The centre of pressure of a rectangular surface (of width ‘w’) immersed vertically in a static mass of fluid is at a depth of (where, y = depth of the liquid) ?
A. 1/(y/3)
B. 2y/3
C. 1/(y/4)
D. 3y/4 - Which of the following relationship is valid for the equilibrium position of the float in a Rotameter? (Where, Df= Drag force on the float Bf = Buoyant force on the float Wf = Weight of the float)?
A. Df + Bf = Wf
B. Df = Bf + Wf
C. Df + Bf + Wf =0
D. None of these - Ratio of pressure and inertia force gives ______________ number?
A. Weber
B. Mach
C. Euler
D. Froude - A hydraulic press has a ram of 10 cms in diameter and a plunger of 1 cm in diameter. The force required on the plunger to raise a weight of 10 tons on the ram is _____________ kg?
A. 10
B. 100
C. 1000
D. 10000 - Drag co-efficient for flow past immersed body is the ratio of _____________ to the product of velocity head and density?
A. Shear stress
B. Shear force
C. Average drag per unit projected area
D. None of these
