# Hydraulics and Fluid Machines - Hydraulics and Fluid Machines objective type questions and answers

16. Pascals law states that pressure at a point is equal in all directions.......

A.In a liquid at rest

B.In a fluid at rest

C.In a laminar flow

D.In a turbulent flow

B.In a fluid at rest

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17. Gauge pressure at a point is equal to .......

A.absolute pressure plus atmospheric pressure

B.absolute pressure minus atmospheric pressure

C.vacuum pressure plus absolute pressure

D.none of the above

B.absolute pressure minus atmospheric pressure

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18. Fluid statics deals with.........

A.Viscous and pressure forces

B.Viscous and gravity forces

C.Gravity and pressure forces

D.Surface tension and gravity forces

C.Gravity and pressure forces

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19. Atmospheric pressure held in terms of water column is ......

A.7.5 m

B.8.5 m

C.9.81 m

D.10.30 m

D.10.30 m

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20. The dividing factor of converting one poise into MKS unit of dynamic viscosity is .......

A.9.8

B.98.1

C.981

D..981

B.98.1