Category: Fluid Mechanics

A. wake
B. drag
C. lift
D. boundary layer
E. aerofoil section

A. constant
B. variable
C. zero
D. zero under limiting conditions
E. never zero

A. Pascal’s law
B. Dalton’s law of partial pressure
C. Newton’s law of viscosity .
D. Avogadro’s hypothesis
E. Second law of thermodynamic

A. increases
B. decreases
A. remains unaffected
D. unpredictable
E. none of the above

A. it has low vapour pressure
B. it is clearly visible
C. it has low surface tension
D. it can provide longer column due to low density
E. is provides suitable meniscus

A. ratio of inertial force to force due to viscosity
B. ratio of inertial force to force due to gravitation
C. ratio of inertial force to force due to surface tension
D. all the four ratios of inertial force to force due to viscosity, gravitation, sur-face tension, and elasticity

A. remains same
B. increases
C. decreases
D. shows erratic behavior
E. none of the above

A. Newton’s law of motion
B. Newton’s law of viscosity
C. Pascal’ law
D. Continuity equation
E. Boundary layer theory

A. maximum
B. minimum
C. zero
D. non-zero and finite
E. unpredictable