A perfect gas_________________?

Related Mcqs:

1. The total energy of each particle at various places in the case of perfect incompres sible fluid flowing in continuous sream________________?

   D. keeps on increasing
   B. keeps on decreasing
   C. remains constant
   D. may increase/decrease
   E. unpredictable

2. For manometer, a better liquid combination is one having______________?

   A. higher surface tension
   B. lower surface tension
   C. surface tension is no criterion
   D. high density and viscosity
   E. low density and viscosity

3. The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be____________________?

   A. 500 kg
   B. 1000 kg
   C. 1500 kg
   D. 2000 kg
   E. 4000 kg.

4. The tendency of a liquid surface to contract is due to the following property_________________?

   A. cohesion
   B. adhesion
   C. viscosity
   D. surface tension
   E. elasticity

5. Choose the wrong statement?

   A. fluids are capable of flowing
   B. fluids conform to the shape of the con-taining vessels
   C. when in equilibrium, fluids cannot sustain tangential forces
   D. when in equilibrium, fluids can sustain shear forces
   E. fluids have some degree of compressibility and offer little resistance to form

6. Rain drops are spherical because of____________________?

   A. viscosity
   B. air resistance
   C. surface tension forces
   D. atmospheric pressure
   E. none of the above

7. A metal with specific gravity of o floating in a fluid of same specific gravity a will___________________?

   A. sink to bottom
   B. float over fluid
   C. partly immersed
   D. be fully immersed with top surface at fluid surface
   E. none of the above

8. A ship whose hull length is 100 m is to travel at 10 m/sec. For dynamic similarity, at what velocity should a 1:25 model be towed through water ?

   A. 10 m/sec
   B. 25 m/sec
   C. 2 m/sec
   D. 50 m/sec
   E. 250 m/sec

9. The flow in which the particles of a fluid attain such velocities that vary from point to point in magnitude and direction as well as from instant to instant, is known as_________________?

   A. one dimensional flow
   B. uniform flow
   C. steady flow
   D. turbulent flow
   E. streamline flow

10. In a forced vortex, the velocity of flow everywhere within the fluid is__________________?

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