The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the centriod, if __________________?

Related Mcqs:

1. According to the principle of buoyancy a body totally or partially immersed in a fluid will be lifted up by a force equal to __________________?

   A. the weight of the body
   B. more than the weight of the body
   C. less than the weight of the body
   D. weight of the fluid displaced by the body
   E. weight of body plus the weight of the fluid displaced hy the body

2. If w is the specific weight of liquid and k the depth of any point from the surface, then pressure intensity at that point will be____________________?

   A. h
   B. wh
   C. w/h
   D. h/w
   E. h/wh

3. Center of pressure on an inclined plane is______________________?

   A. at the centroid
   B. above the centroid
   C. below the centroid
   D. at metacentre
   E. at center of pressure

4. Ratio of inertia force to elastic force is known as _____________________?

   A. Mach number
   B. Froude number
   C. Reynold’s number
   D. Weber’s number
   E. none of the above

5. A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at vater surface. The hydrostatic force on square surface is __________________?

   A. 9,000 kg
   B. 13,500 kg
   C. 18,000 kg
   D. 27,000 kg
   E. 30,000 kg

6. A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal tc__________________?

   A. 10 kg
   B. 100 kg
   C. 1000 kg
   D. 1 kg
   E. 10,000 kg

7. The intensity of rain is expressed in________________?

   A. cm/minute
   B. cm/hour
   C. cm/day
   D. None of these

8. Working principle of dead weight pressure gauge tester is based on __________________?

   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

9. The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to____________________?

   A. Buoyancy
   B. Equilibrium of a floating body
   C. Archimedes’ principle
   D. Bernoulli’s theorem
   E. Metacentric principle

10. The pressure in Pascals at a depth of 1 m below the free surface of a body of water will be equal to________________?

    A. 1 Pa
    B. 91Pa
    C. 981 Pa
    D. 9810 Pa
    E. 98,100 Pa