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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Feedback

Determination of Cc, Cv, Cd of orifices

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Intermediate

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1. The coefficient of discharge (Cd) for an orifice meter is typically

a: >1 Explanation

Explanation

b: <1 Explanation

Explanation

c: =1 Explanation

Explanation

d: =0 Explanation

Explanation

2. Compare to venturi coefficient of discharge (C_d) for an orifice meter is

a: Greater Explanation

Explanation

b: Less Explanation

Explanation

c: Equal Explanation

Explanation

d: No C_d Explanation

Explanation

3. The pressure difference in an orifice meter is measured:

a: at vena contracta Explanation

Explanation

b: at throat Explanation

Explanation

c: at entry and exit of orifice meter Explanation

Explanation

d: none of the above Explanation

Explanation

4. Which of the following is NOT a component of an orifice meter?

a: Orifice plate Explanation

Explanation

b: Pressure tapping Explanation

Explanation

c: Meter tube Explanation

Explanation

d: Converging cone Explanation

Explanation

5. The orifice diameter is generally kept as:

a: Same to pipe dia Explanation

Explanation

b: Smaller to pipe dia Explanation

Explanation

c: Larger to pipe dia Explanation

Explanation

d: none of above Explanation

Explanation

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