Volume flow rate Quiz 1

Question 1

A pond of radius $$430\,m$$ gets a maximum rainfall of $$3.5	imes {{10}^{-5}}$$ m/s. If the outflow of the pond has a cross section of $$1\,{{m}^{2}}$$, then what is the maximum velocity of the outflow of water?

Accepted Answer

$$20.3$$ m/s

Answer

$$30.3$$ m/s

Answer

$$46$$ m/s

Answer

$$3.5$$ m/s

Question 2

Methane gas goes through a tube at $$3$$ m/s and exits at one fourth of the initial speed, then calculates the radius of the entrance, if the radius of the exit is $$1.2\,m$$?

Accepted Answer

$$0.59\,m$$

Answer

$$0.35\,m$$

Answer

$$59\,m$$

Answer

$$35\,m$$

Question 3

Liquid is flowing in a pipe of radius $$40$$ cm with a velocity of $$18$$ m/s. What is the volume flow rate?

Accepted Answer

$$9.04\,{{m}^{3}}$$/s

Answer

$$3.02\,{{m}^{3}}$$/s

Answer

$$12\,{{m}^{3}}$$/s

Answer

$$904\,{{m}^{3}}$$/s

Question 4

If volume flow rate $$Q$$ of a pipe is $$20\,{{m}^{3}}$$ /s, then in what time does a volume of $$50\,{{m}^{3}}$$ of liquid passes through the pipe?

Accepted Answer

$$2.5$$ sec

Answer

$$25$$  sec

Answer

$$250$$ sec

Answer

$$100$$ sec

Question 5

If the volume flow rate of a drainage pipe of cross section area $$23\,{{m}^{2}}$$ is $$36\,{{m}^{3}}/s$$, then what is the speed of water in it?

Accepted Answer

$$1.6$$ m/s

Answer

$$16$$ m/s

Answer

$$2.56$$ m/s

Answer

$$25.6$$ m/s