Unit of mass velocity is__________________?
Unit of mass velocity is__________________?
A. kg/hr
B. kg/m2. hr
C. kg/m2
D. kg/m3. hr
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Unsteady uniform flow is represented by flow through a/an_________________?
Unsteady uniform flow is represented by flow through a/an_________________?A. Long pipe at constant rate
B. Long pipe at decreasing rate
C. Expanding tube at increasing rate
D. Expanding tube at constant ratePressure drag does not depend upon the_________________?
Pressure drag does not depend upon the_________________?A. Roughness of surface of the body
B. Pressure of main flow only
C. Length of the body in flow direction
D. All A., B. and C.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 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. 58yA hydraulic ram acts as a/an ______________ pump?
A hydraulic ram acts as a/an ______________ pump?A. Centrifugal
B. Reciprocating
C. Impulse
D. Parallel cylinderA stream line is___________________?
A stream line is___________________?A. Fixed in space in steady flow
B. Always the path of particle
C. Drawn normal to the velocity vector at every point
D. A line connecting the mid points of flow cross-sectionWhich law/principle of solid mechanics is similar/equivalent to Newton’s law of viscosity in fluid mechanics ?
Which law/principle of solid mechanics is similar/equivalent to Newton’s law of viscosity in fluid mechanics ?A. Archimedes principle
B. Newton’s second law of motion
C. Hooke’s law
D. Newton’s third law of motion