Hydraulics and Fluid Mechanics - Data Intensity 4 | Multiple Questions and Answers

11.	Which of the following machines have the possibility of cavitation?

	A.	Reaction turbines and centrifugal pumps
	B.	Reaction turbines and reciprocating pumps
	C.	Impulse turbines and centrifugal pumps
	D.	Impulse turbines and reciprocating pumps

12.	The three liquids 1, 2, and 3 with vapor pressures V1, V2 and V3 respectively, are kept under same pressure. If V1 > V2 > V3, which liquid will start boiling early?

	A.	liquid 1
	B.	liquid 2
	C.	liquid 3
	D.	they will start boiling at the same time

13.	Equal amount of a particular liquid is poured into three similar containers, namely 1, 2 and 3, at a temperature of T1, T2 and T3 respectively. If T1 < T2 < T3, the liquid in which container will have the highest vapor pressure?

	A.	container 1
	B.	container 2
	C.	container 3
	D.	the vapor pressure of the liquid will remain the same irrespective of it�s temperature

14.	The absolute pressure of a water is 0.5kN above it�s vapor pressure. If it flows with a velocity of 1m/s, what will be the value of Cavitation Number describing the flow induced boiling?

	A.	0.25
	B.	0.5
	C.	1
	D.	2