Mechanical Engineering Mcqs

A) Surface tension

B) Viscosity

C) Friction

D) Cohesion

A) Dissolved air

B) Dissolved salt

C) Suspended matter

D) All of the above

A) It has a low vapor pressure

B) It is clearly visible

C) It has a low surface tension

D) It can provide longer columns due to low density

A) Specific viscosity

B) Viscosity index

C) Kinematic viscosity

D) Coefficient of viscosity

A) Surface tension

B) Adhesion

C) Cohesion

D) Viscosity

A) Its vapor pressure is low

B) It provides a suitable meniscus for the inclined tube

C) Its density is less

D) It provides a longer length for a given pressure differ

A) Higher surface tension

B) Lower surface tension

C) Surface tension is no criterion

D) High density and viscosity

A) Energy/unit area

B) Distance

C) Both of the above

D) It has no units

A) 1000

B) 2100

C) 2700

D) 21,000

A) Has the dimensions of 1/pressure

B) Increases with pressure

C) Is large when fluid is more compressible

D) Is independent of pressure and viscosity