The velocity of jet of water travelling out of opening in a tank filled with water is proportional to___________________?

Related Mcqs:

1. The settling velocity of the particles larger than 0.06 mm in a settling tank of depth 2.4 is 0.33 m per sec. The detention period recommended for the tank, is____________________?

   A. 30 minutes B. 1 hour C. 1 hour and 30 minutes D. 2 hours...

2. A model of torpedo is tested in a towing tank at a velocity of 25 m/sec. The prototype is expected to attain a velocity of 5 m/sec. What model scale has been used ?

   A. 1 : 5 B. 1 : 2.5 C. 1 :25 D. 1:V5″ E. 1 : 53/2...

3. The sewage discharge in a detritus tank of a treatment plant is 576 litres/sec with flow velocity of 0.2 m/sec. If the ratio of width to depth is 2, the depth is____________________?

   A. 100 cm B. 110 cm C. 120 cm D. 150 cm...

4. In a sedimentation tank (length L, width B, depth D) the settling velocity of a particle for a discharge Q, is____________________?

   A. Q/(B × D) B. Q/(L × D) C. Q/L D. Q/(B × L)...

5. For a grit chamber, if the recommended velocity of flow is 0.2 m/sec and detention period is 2 minutes, the length of the tank, is__________________?

   A. 16 m B. 20 m C. 24 m D. 30 m...

6. A model of a reservior is drained in 4 mts by opening the sluice gate. The model scale is 1: 225. How long should it take to empty the prototype ?

   A. 900 minutes B. 4 minutes C. 4 x (225)3/2 minutes D. 4 (225)1/3 minutes E. 4 x V225 minutes...

7. During the opening of a valve in a pipe line, the flow is___________________?

   A. steady B. unsteady C. uniform D. laminar E. free vortex type...

8. The detention time of a circular tank of diameter d and water depth H, for receiving the sewage Q per hour, is________________?

   A. d² (0.011d + 0.785H)/Q B. d (0.022d + 0.085H)/Q C. d (0.785d + 0.011H)/Q D. d (0.285d + 0.011H)/Q...

9. A ship whose hull length is 100 m is to travel at 10 m/sec. For dynamic similarity, at what velocity should a 1:25 model be towed through water ?

   A. 10 m/sec B. 25 m/sec C. 2 m/sec D. 50 m/sec E. 250 m/sec...

10. Surface energy per unit area of a surface is numerically equal to___________________?

    A. atmospheric pressure B. surface tension C. force of adhesion D. force of cohesion E. viscosity...