Mechanical Engineering Questions And Answers :: Hydraulic And Fluid Machines: part5



Mechanical Engineering : Hydraulic And Fluid Machines QUESTIONS AND ANSWERS :: part5 : 11 to 15

Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

11.Working principle of dead weight pressure gauge tester is based on

Pascal's law
Dalton's law of partial pressure
Newton's law of viscosity .
Avogadro's hypothesis
Second law of thermodynamic.

12.Euler's dimensionless number relates the following

inertial force and gravity
viscous force and inertial force
viscous force and buoyancy force
pressure force and inertial force
pressure force and viscous force.

13.Which of the following instrument can be used for measuring speed of a submarine moving in deep sea

Venturimeter
Orifice plate
hot wire anemometer
rotameter
pitot tube.

14.The centre of pressure of a surface subjected to fluid pressure is the point

on the surface at which resultant pres-sure acts
on the surface at which gravitational force acis
at which all hydraulic forces meet
similar to metacentre
where pressure equivalent to hydraulic thrust will act.

15.Buoyant force is

the resultant force acting on a floating body
the resultant force on a body due to the fluid surrounding it
equal to the volume of liquid dis-placed
the force necessary to maintain equi-librium of a submerged body
none of the above.

More Hydraulic And Fluid Machines QUESTIONS AND ANSWERS available in next pages

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