The discharge through a Venturimeter depends upon _________________?

Related Mcqs:

1. 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

2. The percentage slip in a reciprocating pump set is given by the % of (where, Q1 = actual discharge Q2 = theoretical discharge) ?

   A. Q1/Q2
   B. Q2/Q1
   C. (Q2 – Q1)/Q1
   D. (Q2 – Q1)/Q2

3. The ratio of actual discharge to theoretical discharge through an orifice is equal to______________?

   A. Cc . Cv
   B. Cc . Cd
   C. Cv . Cd
   D. Cd/Cv

4. The discharge co-efficient for an orifice meter does not depend upon the ___________________?

   A. Pipe length
   B. Ratio of pipe diameter to orifice diameter
   C. Type of orifice & the Reynolds number
   D. Pipe diameter

5. Permanent loss in a Venturimeter is about ___________ percent of the pressure drop in the upstream cone?

   A. 1
   B. 10
   C. 40
   D. 70

6. Select the wrong statement pertaining to flow of an incompressible fluid through a Venturimeter ?

   A. For frictionless flow, the fluid pressure entering the venturi meter will be exactly equal to that
   leaving the Venturimeter
   B. Discharge of fluid through a Venturimeter depends upon the gage difference irrespective of
   the orientation of Venturimeter
   C. Venturimeter occupies less space than an orificemeter
   D. Venturimeter incurs less power loss compared to an equivalent orificemeter

7. The exit cone angle in case of a standard Venturimeter is _____________ the entrance cone angle?

   A. Smaller than
   B. Greater than
   C. Equal to
   D. Either A. or B.

8. What is the normal range of exit cone angle of a Venturimeter ?

   A. 2 to 5
   B. 7 to 15
   C. 15 to 25
   D. >25

9. In case of Venturimeter, friction losses are about _____________ percent of maximum velocity head?

   A. 2
   B. 8
   C. 12
   D. 20

10. Permanent pressure loss in a well designed Venturimeter is about _____________ percent of the venturi differential?

    A. 1
    B. 10
    C. 30
    D. 50