For an ideal fluid flow, Reynolds number is___________________?
For an ideal fluid flow, Reynolds number is___________________?
A. 2100
B. 100
C. 0
D. ∞
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A fluid (μ/ρ) = 0.01 cm2/sec is moving at critical flow condition (NRe = 2100) through a pipe of dia 3 cms. Velocity of flow is _______________ cm/sec?
A fluid (μ/ρ) = 0.01 cm2/sec is moving at critical flow condition (NRe = 2100) through a pipe of dia 3 cms. Velocity of flow is _______________ cm/sec?A. 7
B. 700
C. 7000
D. 630For an incompressible fluid, the bulk modulus of elasticity is____________________?
For an incompressible fluid, the bulk modulus of elasticity is____________________?A. 5 kg/m3
B. ∞ N/m2
C. 1 N
D. 0 N/mA spherical particle is falling slow in a viscous liquid such that Reynolds number is less than 1. Which statement is correct for this situation ?
A spherical particle is falling slow in a viscous liquid such that Reynolds number is less than 1. Which statement is correct for this situation ?A. Inertial and drag forces are important
B. Drag, gravitational and buoyancy forces are important
C. Drag force and gravitational forces are important
D. None of the abovePiezometric head is the sum of the ______________ heads?
Piezometric head is the sum of the ______________ heads?A. Elevation & kinetic energy
B. Elevation & pressure
C. Kinetic energy & pressure
D. None of theseA fluid element has a velocity V = -y2. xi + 2yx2 . j. The motion at (x, y) = (1/√2, 1) is_________________?
A fluid element has a velocity V = -y2. xi + 2yx2 . j. The motion at (x, y) = (1/√2, 1) is_________________?A. Rotational and incompressible
B. Rotational and compressible
C. Irrotational and compressible
D. Irrotational and incompressibleKinetic energy of fluid per unit weight represented by the velocity head is given by___________________?
Kinetic energy of fluid per unit weight represented by the velocity head is given by___________________?A. 2v2/gc
B. v2/2gc
C. ρv2/gc
D. ρ.v2/2gc