1
AP EAPCET 2024 - 20th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The radius of cross-section of the cylindrical tube of a spray pump is 2 cm . One end of the pump has 50 fine holes each of radius 0.4 mm . If the speed of flow of the liquid inside the tube is $0.04 \mathrm{~ms}^{-2}$. The speed of ejection of the liquid from the holes is
A
$6 \mathrm{~ms}^{-1}$
B
$2 \mathrm{~ms}^{-1}$
C
$4 \mathrm{~ms}^{-1}$
D
$3 \mathrm{~ms}^{-1}$
2
AP EAPCET 2024 - 19th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
If $S_1, S_2$ and $S_3$ are the tensions at liquid-air, solid-air and solid-liquid interfaces respectively and $\theta$ is the angle of contact at the solid-liquid interface, then
A
$S_1 \cos \theta+S_2 \sin \theta=S_3$
B
$S_1 \cos \theta+S_3=S_2$
C
$S_2 \cos \theta+S_3=S_1$
D
$S_3 \cos \theta+S_1=S_2$
3
AP EAPCET 2024 - 18th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
216 small identical liquid drops each of surface area $A$ coalesce to form a bigger drop. If the surface tension of the liquid is $T$. The energy released in the process is
A
3604 T
B
180AT
C
90AT
D
12041
4
AP EAPCET 2022 - 5th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

A hydraulic lift is shown in the figure. The movable pistons $$A, B$$ and $$C$$ are of radius $$10 \mathrm{~cm}, 100 \mathrm{~m}$$ and 5 cm respectively. If a body of mass 2 kg is placed on piston $$A$$, the maximum masses that can be lifted by piston $$B$$ and $$C$$ are respectively.

AP EAPCET 2022 - 5th July Morning Shift Physics - Fluid Mechanics Question 7 English

A
200 kg and 500 kg
B
20 kg and 50 kg
C
200 kg and 5000 kg
D
2000 kg and 5000 kg
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