TS EAMCET 2022 (Online) 20th July Morning Shift | Fluid Mechanics Question 34 | Physics

A venturimeter has a pipe diameter of 4 cm and a throat diameter of 2 cm . Velocity of water in the pipe section is $10 \mathrm{~m} / \mathrm{s}$. The pressure drop, between pipe section and the throat section is (use, density of water $=1000 \mathrm{~kg} / \mathrm{m}^3$ )

$1.5 \times 10^5 \mathrm{~Pa}$

$7.5 \times 10^5 \mathrm{~Pa}$

$75 \times 10^5 \mathrm{~Pa}$

$4.5 \times 10^5 \mathrm{~Pa}$

TS EAMCET 2022 (Online) 20th July Morning Shift

MCQ (Single Correct Answer)

-0

A soap bubble of initial radius $R$ is to be blown up. The surface tension of the soap film is $T$. The surface energy needed to double the diameter of the bubble is

$12 \pi R^2 T$

$4 \pi R^2 T$

$16 \pi R^2 T$

$24 \pi R^2 T$

TS EAMCET 2022 (Online) 19th July Evening Shift

MCQ (Single Correct Answer)

-0

Consider an increase of $1 \%$ in each of radius of artery, viscosity of blood and density of blood, respectively. The percentage change in flow rate of blood in artery is

$0.25 \%$

$0.50 \%$

$1.0 \%$

$3.0 \%$

TS EAMCET 2022 (Online) 19th July Evening Shift

MCQ (Single Correct Answer)

-0

A metal cube of side 10 cm rests on a film of a liquid of thickness 0.2 mm . If upon applying a horizontal force $\mathbf{F}$ of magnitude 0.1 N . The cube slides with a constant speed of $0.08 \mathrm{~m} / \mathrm{s}$, then the coefficient of viscosity is

$2.5 \times 10^{-2} \frac{\mathrm{~N}-\mathrm{s}}{\mathrm{m}^2}$

$025 \times 10^{-2} \frac{\mathrm{~N}-\mathrm{s}}{\mathrm{m}^2}$

$5 \times 10^{-2} \frac{\mathrm{~N}-\mathrm{s}}{\mathrm{m}^2}$

$0.5 \times 10^{-2} \frac{\mathrm{~N}-\mathrm{s}}{\mathrm{m}^2}$

PREVIOUS NEXT

TS EAMCET Subjects

Browse all chapters by subject