CPP REVISION-2 FLUID STATICS ` KKP / MYP CENTRE KUKATPALLY CENTRE: # 22-97, Plot No.1, Opp. Patel Kunta Huda Park, Vijaynagar Colony, Hyderabad - 500 072. Ph.: 040-64601123 MIYAPUR CENTRE: Above Sai Motors Maruthi Showroom, Allwyn X Road, Miyapur, Hyderabad. Regd. Off.: 29A, ICES House, Kalu Sarai, Sarvapriya Vihar, New Delhi - 110 016. Ph: 011 - 2651 5949, 2656 9493, Fax: 2651 3942 Single Correct Answer Type: 1. An open cubical tank of side 1m is completely filled with water kept on a horizontal surface. It’s acceleration is then slowly increased to 2 2m/s . Find the mass of water that would spill out of the tank. (A) 0.1 kg (B) 10 kg (C) 0.01 kg (D) 100 kg 2. Figure shows a circular tube of small cross section in which equal. Volumes of two liquids which do not mix into each other are filled. Each liquid occupies one fourth length of tube. If densities of liquids are and ( ). Find the angle which the liquid junction makes with vertical at centre in equilibrium state (A) 1 tan (B) 1 tan (C) 1 tan (D) 1 tan 3. Figure shows a J tube of which end A is closed and end B is open. Some mercury is filled in tube. So that initially levels of mercury in both arms are equal and volume V of air is trapped in arm A. Find the length of mercury column to be poured in arm B so that volume of trapped air reduces to v/2. Given that atmospheric pressure is 76 cm of Hg. (A) 86 cm (B) 96 cm (C) 76 cm (D) 106 cm 4. When equal volumes of two substances are mixed together. The specific gravity of mixture is 4. But when equal weights of the same substances are mixed together, the specific gravity of mixture is 3. Find the specific gravities of the two substances (A) 1 2 6 and 2 (B) 1 2 4 and 3 (C) 1 2 12 and 1 (D) 1 2 3 and 4 5. A glass tube of radius 0.8 cm floats vertical in water as shown in figure. What mass of lead pellets would cause the tube to sink further by 3 cm (A) 6.03 gm (B) 1 gm (C) 16.03 gm (D) 0.3 gm 6. A cubical block of wood of edge 3 cm floats in water. The lower surface of the cube just touches the free end of a vertical spring fixed at the bottom of the container as shown in figure. Find the maximum weight that can be put on the block without wetting it. Take density of wood 3 800 kg / m and force constant of spring 50 N/m and 2 g 10 m / s (A) 0.35 kg (B) 3.5 kg (C) 0.65 kg (D) 6.5 kg 7. A piece of gold weighing 36 gm in air, weight 34 gm in water. If there is some copper impurity in gold. Find the amount in it. Given that specific gravity of gold is 19.3 and that of copper is 8.9. (A) 2 gm (B) 2.225 gm (C) 1.775 gm (D) 4 gm 8. Three liquids of densities d, 2d and 3d are mixed in equal proportions of weights. The relative density of the mixture is (A) 11d 7 (B) 18d 11 (C) 13d 9 (D) 23d 18
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CPP REVISION-2 FLUID STATICS
` KKP / MYP CENTRE
KUKATPALLY CENTRE: # 22-97, Plot No.1, Opp. Patel Kunta Huda Park, Vijaynagar Colony, Hyderabad - 500 072. Ph.: 040-64601123
MIYAPUR CENTRE: Above Sai Motors Maruthi Showroom, Allwyn X Road, Miyapur, Hyderabad.