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:

Hot wire anemometer is used to measure_______________?

A. discharge B. velocity of gas C. pressure intensity of gas D. pressure intensity of liquid...

In which of the following the friction drag is generally larger than pressure drag?

A. a circular disc or plate held normal to flow B. a sphere C. a cylinder D. an airfoil...

Surge wave in a rectangular channel is an example of_________________?

1. steady flow 2. unsteady flow 3. uniform flow 4. non-uniform flow The correct answer is? A. (1) and (3) B. (2) and (3) C. (1) and (4) D. (2) and (4)...

The distance y from pipe boundary, at which the point velocity is equal to average velocity for turbulent flow, is________________?

A. 0.223 R B. 0.423 R C. 0.577 R D. 0.707 R where R is radius of pipe...

A closed tank containing water is moving in a horizontal direction along a straight line at a constant speed. The tank also contains a steel ball and a bubble of air. If the tank is decelerated horizontally, then________________?

1. the ball will move to the front 2. the bubble will move to the front 3. the ball will move to the rear 4. the bubble will move to the rear Find out which of the above statements are correct ? A. (1) and (2) B. (1)and(4) C. (2) and (3) D. (3) and … A closed tank containing water is moving in a horizontal direction along a straight line at a constant speed. The tank also contains a...