134. Select the correct statement
A.Local atmospheric pressure depends upon elevation of locality only
B.Standard atmospheric pressure is the mean local atmospheric pressure at sea level
C.Local atmospheric pressure is always below standard atmospheric pressure
D.A barometer reads the difference between local and standard atmospheric pressure
135. Gauge pressure Is equal to
A.Absolute pressure + atmospheric pressure
B.(6) absolute pressure - atmospheric pressure
C.Atmospheric pressure - absolute pressure
D.Atmospheric pressure - vacuum
136. The equation of continuity of flow is based on the principle of conservation of
A.Flow
B.Mass
C.Momentum
D.Energy
137. For measuring flow by a venturimeter, it should be installed in
A.Vertical line
B.In any direction and in any location.
C.Inclined line with flow downward
D.Inclined line with upward flow
138. Total pressure on a lmxlm gate immersed vertically at a depth of 2 m below the free water surface will be
A.1000 kg
B.4000 kg
C.2000 kg
D.8000 kg
139. Hot wire anemometer is used to measure
A.Pressure in gases
B.Liquid discharge
C.Pressure in liquids
D.Gas velocities
140. Rotameter is a device used to measure
A.Absolute pressure
B.Velocity of fluid
C.Flow
D.Rotation
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