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Question
The mass of an empty glass jar was 0.498 kg . When completely filled with water ,its mass was 1.528 kg. An oven dried sample of mass 0.198 kg was placed in the jar and water was added to fill the jar and its mass was found to be 1.653 kg. determine the specific gravity of particles.
,d [kkyh xSl tkj dk æO;eku 0-498 fdyksxzke FkkA tc bls iwjh rjg ls ikuh ls Hkj fn;k x;k] rks bldk æO;eku 1-528 fdyksxzke FkkA 0-198 fdyks xzke æO;eku dk ,d vksou lq[kk;k gqvk uewuk tkj esa j[kk x;k vkSj tkj dks Hkjus ds fy, ikuh Mkyk x;k vkSj bldk æO;eku 1-653 fdyksxzke ik;k x;kA d.kksa dk fof'k"V xq#Ro fu/kZfjr djsa
A.
2.71
B.
3.71
C.
1.71
D.
4.71
Answer ( Option A)

2.71

Solution

Where,
W1 = mass of empty Pycnometer
W2 = mass of the Pycnometer with dry soil
W3 = mass of the Pycnometer and soil and water
W4 = mass of the Pycnometer filled with water only 
G = Specific gravity of soils.
W1 = 0.498 kg
W2 = (0.498 + 0.198) kg
W3 = 1.653 kg 
W4 = 1.528 kg

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