Civil Engineering - Hydraulics - Discussion

Discussion Forum : Hydraulics - Section 3 (Q.No. 1)
1.
For exerting a pressure of 4.8 kg/cm2, the depth of oil (specific gravity 0.8), should be
40 cm
41 cm
56 cm
60 cm
76 cm.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
24 comments Page 3 of 3.

Jafar said:   5 years ago
1 kg=9.81 N so P=4.8kg/cm2 which is equal to 4.8 x 9.81 x 10000 N/m2(1m = 100cm).
So now P=w.h where w=spG unit wt of water=0.8 x 9.81.
hence h=60000 cm or 60m.
(2)

Masum said:   5 years ago
Yes, it should be 60m.
(2)

Nasir Rasool said:   4 years ago
60m is the right answer.
(1)

Kishor bist dadeldhura said:   1 year ago
1kg/cm2 = (10/s.g)m of any fluid.
4.8kg/cm2 = (4.8×10)/0.8m of oil.
= 60m of oil.
(1)


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