Q1..... When equal vol..... Each metal.

Q1..... When equal vol..... Each metal. Ttvmonometershown in the fig. of relative density or spec the absolute pressure in the bulb if the atmospheric pressure is 100 kPa. Startirv from point A the manometetric equation may be written as = 105 A gas PA — = PA - (3.4 x 103) + (100 x IF) = 103.4kPa Note : The variation of pressure in the gas is ingnored because the density of gas is negligible compared to that Of the liquid. BEGINNER'S BOX-I c 1. 2- 4. 5. 6. WTvnequal of two metals ate mixed together, the density of mixture is 4 kg/m . When equal the sarne two metals ate mixed together, the mixture density is 3 kg/m . Calculate the densities Of each In an e.xpetiment the weight of 2.5 mg o? a certain liquid was found to be 18.75 kN. Then find the specific of liquid. A of 4 m3 volume contains an oil which weight 30.2 kN. Determine the specific gravity Of the Oil. A mercury barometer wads 75 cm in a stationary' lift. What reading does it show when the lift is movir8 downwards, with an acceleration of 1 m/s2 ? Ttw diameter of the piston P2 is 50 cm and that Of the piston Pl is 10 cm. What is the force exerted on P2 a force of I N is applied on Pl ? The area of cross-section of wider tube is 800 cm . If a mass of 16 kg is placed on the massless piston, find difference in the level of water in the two tubes. bot 6 7. AnopenU-tubeofuniform contains mercury. When 27.2 cm of water column

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