Physics
Fluid-Mechanics
Easy
Question
The minimum pressure required to force blood from the heart to the top of the head through a vertical distance of 40 cm is (density of blood is taken as 
and 
The correct answer is:
Minimum pressure
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Bernoulli's equation can be written in the following different forms (Column I). Column II lists certain units each of which pertains to one of the possible forms of the equation Match the unit associated with each of the equations.
Column I
Column II
(i) 
constant
(a) Total energy per unit mass
(ii) 
constant
(b) Total energy per unit weight
(iii) 
constant
(c) Total energy per unit volume
|
Column I |
Column II |
| (i) constant |
(a) Total energy per unit mass |
| (ii) constant |
(b) Total energy per unit weight |
| (iii) constant |
(c) Total energy per unit volume |
Bernoulli's equation can be written in the following different forms (Column I). Column II lists certain units each of which pertains to one of the possible forms of the equation Match the unit associated with each of the equations.
Column I
Column II
(i) constant
(a) Total energy per unit mass
(ii) constant
(b) Total energy per unit weight
(iii) constant
(c) Total energy per unit volume
|
Column I |
Column II |
| (i) constant |
(a) Total energy per unit mass |
| (ii) constant |
(b) Total energy per unit weight |
| (iii) constant |
(c) Total energy per unit volume |
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A cylinder of weight W is floating in two liquids as shown in figure. Net force on cylinder from top is F1 and force on cylinder from the bottom is F2. Match the following two columns.
Column I
Column II
(i) Net force on cylinder liquid -1
(a) Zero
(ii) 
(b) W
(iii) Net force on cylinder from liquid -2
(c) Net upthrust
(iv) Net force on cylinder from atmosphere
(d) None of these
|
Column I |
Column II |
| (i) Net force on cylinder liquid -1 |
(a) Zero |
| (ii) |
(b) W |
| (iii) Net force on cylinder from liquid -2 |
(c) Net upthrust |
| (iv) Net force on cylinder from atmosphere |
(d) None of these |
A cylinder of weight W is floating in two liquids as shown in figure. Net force on cylinder from top is F1 and force on cylinder from the bottom is F2. Match the following two columns.
Column I
Column II
(i) Net force on cylinder liquid -1
(a) Zero
(ii)
(b) W
(iii) Net force on cylinder from liquid -2
(c) Net upthrust
(iv) Net force on cylinder from atmosphere
(d) None of these
|
Column I |
Column II |
| (i) Net force on cylinder liquid -1 |
(a) Zero |
| (ii) |
(b) W |
| (iii) Net force on cylinder from liquid -2 |
(c) Net upthrust |
| (iv) Net force on cylinder from atmosphere |
(d) None of these |
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The vessel shown in the figure contains water,
For this arrangement, answer the following questions:
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The gauge pressure in the main water pipe is 400 KPa. Tue work done to pump water At a gauge pressure of 100 KPa is 
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In a horizontal pipe line of uniform cross section as pressure falls between two points separated by certain distance, the change in the kinetic energy of the oil flowing between these two points is 
and density of the oil is 
. Then the fall in pressure between those two points is
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