A rectangular block 2 m long, 1 m wide and 1 m deep floats in water, the depth of immersion being 0.5 m. If water weighs 10 kN/m3, then the weight of the block is________________?

Related Mcqs:

The horizontal component of force on a curved surface is equal to the_______________?

A. product of pressure intensity at its centroid and area B. force on a vertical projection of the curved surface C. weight of liquid vertically above the curved surface D. force on the horizontal projection of the curved surface...

Stanton diagram is a______________?

A. log-log plot of friction factor against Reynolds number B. log-log plot of relative roughness against Reynolds number C. semi-log plot of friction factor against Reynolds number D. semi-log plot of friction factor against relative roughness...

The hydraulic grade line is_________________?

A. always above the centre line of pipe B. never above the energy grade line C. always sloping downward in the direction of flow D. all of the above...

The depth ‘d’ below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be_________________?

A. 0.423 D B. 0.577 D C. 0.223 D D. 0.707 D where D is the depth of flow...

The position of center of pressure on a plane surface immersed vertically in a static mass of fluid is______________?

A. at the centroid of the submerged area B. always above the centroid of the area C. always below the centroid of the area D. none of the above...