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Hydraulic and Fluid Machines - Interview Questions and Answers

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106. Which of the following meters is not associated with viscosity
A. Red wood
B. Say bolt
C. Engler
D. Orsat
E. none of the above.
Explanation:
107. Surface tension has the units of
A. newtons/m
B. newtons/m
C. new tons/m
D. newtons
E. newton m.
Explanation:
108. Property of a fluid by which molecules of different kinds of fluids are attracted to each other is called
A. adhesion
B. cohesion
C. viscosity
D. compressibility
E. surface tension.
Explanation:
109. Choose the wrong statement. Alcohol is used in manometer, because
A. its vapour pressure is low
B. it provides suitable meniscus for the in-clined tube
C. its density is less
D. it provides longer length for a given pressure difference
E. it provides accurate readings.
Explanation:
110. The units of viscosity are
A. metres2 per sec
B. kg sec/metre
C. newton-sec per metre2
D. newton-sec per metre
E. none of the above.
Explanation:
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