Question54:-Consider a venturi flume built in a rectangular channel 1m wide and
having a throat width of 0.4m. Assume the upstream head is 0.52m and the
measured head in the throat is 0.4m. What is the discharge through the venturi
flume?

A:-0.235 m3 /S

B:-o.112m3 /S

C:-0.084mi /S

D:-0.302m’ /S

Correct Answer:- Option-A

Question55:-A venturi of throat diameter 60 mm is placed in a water pipe of
diameter 100 mm to measure volumetric flow. 60 X 10-3 m3 /s_ is the volumetric flow
rate through the tube. Water has a density of 10244 and viscosity of 10-3 NS/m: .
Determine the Reynolds number

A:-1495.4 503

B :-1273.8x103

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D:-1608.1x103

Correct Answer:- Option-B

Question56:-The point where the highest differential pressure is obtained in the
orifice plate is known as

A:-Segmental contracta
B:-Eccentric point

C:-Vena contracta
D:-Concentric contracta
Correct Answer:- Option-C

Question57:-The measurement of viscosity of a motor oil is done by a Saybolt
viscometer. The time recorded for 60mI drainage is 190 s. The kinematic viscosity
is

At-39.18x10-8m2 /S

B:-10.86x10-8m? /S

C:-40.86x10-8m2 /S

D:-23.86x10-8m2 /S

Correct Answer:- Option-C

Question58:-The point at which the vapor starts to condensate when the mixture is
cooled at constant pressure

A:-Dry point
B:-Dew point
C:-Condense point
D:-Hydro point