1
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 11 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
2
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

In a hydraulic lift, compressed air exerts a force $$F$$ on a small piston of radius 3 cm . Due to this pressure the second piston of radius 5 cm lifts a load of 1875 kg . The value of $$F$$ is (Acceleration due to gravity $$=10 \mathrm{~ms}^{-2}$$)

A
1250 N
B
125 N
C
6750 N
D
675 N
3
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

In a $$U$$-shaped tube the radius of one limb is 2 mm and that of other limb is 4 mm . A liquid of surface tension $$0.03 \mathrm{~Nm}^{-1}$$, density $$1500 \mathrm{~kg} \mathrm{~m}^{-3}$$ and angle of contact zero is taken in the tube. The difference in the heights of the levels of the liquid in the two limbs is (Acceleration due to gravity $$=10 \mathrm{~ms}^{-2}$$)

A
3 mm
B
2.5 mm
C
1 mm
D
1.5 mm
4
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

A steady flow of a liquid of density $$\rho$$ is shown in figure. At point 1, the area of cross-section is $$2 A$$ and the speed of flow of liquid is $$\sqrt{2} \mathrm{~ms}^{-1}$$. At point 2 , the area of cross-section is $$A$$. Between the points 1 and 2, the pressure difference is $$100 \mathrm{~Nm}^{-2}$$ and the height difference is 10 cm . The value of $$\rho$$ is (Acceleration due to gravity $$=10 \mathrm{~ms}^{-2}$$)

AP EAPCET 2022 - 4th July Evening Shift Physics - Fluid Mechanics Question 12 English

A
$$25 \mathrm{~kg} \mathrm{~m}^{-3}$$
B
$$30 \mathrm{~kg} \mathrm{~m}^{-3}$$
C
$$50 \mathrm{~kg} \mathrm{~m}^{-3}$$
D
$$70 \mathrm{~kg} \mathrm{~m}^{-3}$$
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