Explore topic-wise MCQs in Fluid Mechanics.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Fluid Mechanics knowledge and support exam preparation. Choose a topic below to get started.

1.

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
Answer» D. 2
Discussion
2.

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
Answer» D. the vapor pressure of the liquid will remain the same irrespective of it s temperature
Discussion
3.

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
Answer» B. liquid 2
Discussion
4.

Which of the following equation correctly depicts the relation between the vapor pressure of a liquid and it s temperature?

A. Vapor pressure increases linearly with the increase in temperature of the liquid
B. Vapor pressure increases slightly with the increase in temperature of the liquid at low temperatures and the rate of increase goes high at higher temperatures
C. Vapor pressure increases rapidly with the increase in temperature of the liquid at low temperatures and the rate of increase goes low at higher temperatures
D. Vapor pressure remains unchanged with the increase in temperature of the liquid
Answer» C. Vapor pressure increases rapidly with the increase in temperature of the liquid at low temperatures and the rate of increase goes low at higher temperatures
Discussion