A. ML-2
B. MT-2
C. MLT-2
D. ML-2T
Related Mcqs:
- Dimension of surface tension is (where, F = force, L = length) ?
A. FL-1
B. F-1. L
C. F.L-2
D. F-2. L - A rectangular surface 3′ × 4′, has the lower 3 edge horizontal and 6′ below a free oil surface (sp. gr. 0.8). The surface inclination is 300 with the horizontal. The force on one side of the surface is (where, y = specific weight of water) ?
A. 39.6y
B. 48y
C. 49.2y
D. 58y - Ratio of inertial forces to surface tension forces is called the _____________ number?
A. Euler
B. Froude
C. Mach
D. Weber - Capillary rise of mercury in a small diameter tube is proportional to (where, d = diameter of the tube, ζ = surface tension of mercury)____________________?
A. d
B. 1/d
C. ζ
D. 1/ζ - 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 equations as suggested by Colebrook and White gives the increase in roughness of a new surface (ε0) with age/time (t) (where, ε = roughness of the surface after time’t’. α = a co-efficient to be experimentally determined) ?
A. ε = ε0 + α.t
B. ε = ε0 + α.t2
C. ε = ε0 + α.t3
D. ε = ε0 + α.t4 - Dimension of kinematic viscosity is_____________________?
A. MLT-1
B. L2T-1
C. L2T
D. L2T-2 - Dimension of absolute viscosity is_________________?
A. ML-1T-1
B. MLT-1
C. ML-1T
D. MLT - The dimension of kinematic viscosity is_________________?
A. ML-2T-1
B. L2T-1
C. ML-2T-2
D. None of these - Which of the following is not dimension-less ?
A. Froude number
B. Kinematic viscosity
C. Pressure co-efficient
D. None of these
