The pressure co-efficient is the ratio of pressure forces to ______________ forces?

Related Mcqs:

1. Pressure co-efficient is the ratio of pressure forces to __________________________ forces?

   A. Gravity
   B. Inertial
   C. Viscous
   D. None of these

2. The ratio of pressure forces to inertial forces is called the _______________ number?

   A. Froude
   B. Euler
   C. Reynold
   D. Mach

3. The ratio of inertial forces to viscous forces is called the ______________ number?

   A. Weber
   B. Mach
   C. Froude
   D. Reynold

4. The ratio of inertial forces to gravity forces is called the ______________ number?

   A. Mach
   B. Froude
   C. Euler
   D. Weber

5. Co-efficient of discharge (Cd) is defined as actual discharge/theoretical discharge and is equal to Cc . Cv; where Cc = Co-efficient of contraction and Cv = co-efficient of velocity. Cd of an orifice is usually about__________________?

   A. 0.42
   B. 0.62
   C. 0.82
   D. 0.98

6. Cd, Cc and Cv are related (for flow through an orifice) as (where, Cd = discharge co-efficient, Cc = co-efficient of contraction = (area of jet at vena-contracta/area of opening), Cv = co-efficient of velocity = (actual velocity at vena-contracta/theoretical velocity)?

   A. Cd = Cc/Cv
   B. Cd = Cc.Cv
   C. Cd = Cv/ Cc
   D. None of these

7. Ratio of inertial forces to surface tension forces is called the _____________ number?

   A. Euler
   B. Froude
   C. Mach
   D. Weber

8. The ratio of inertial forces to elastic forces is called the __________ number?

   A. Reynolds
   B. Mach
   C. Euler
   D. Weber

9. Forces acting on a particle settling in fluid are _____________ forces?

   A. Gravitational & buoyant
   B. Centrifugal & drag
   C. Gravitational or centrifugal buoyant drag
   D. External, drag & viscous

10. In case of a centrifugal pump, the ratio of total delivered pressure to pressure developed with the impeller is called the _____________ efficiency?

    A. Manometric
    B. Mechanical
    C. Volumetric
    D. Overall