Questions
1) The figure shows an aerofoil.
Which of the following statements is true?
A.V1 is greater than V2 but P1 is smaller than P2.
B.V1 is smaller than V2 but P1 is greater than P2.
C.V1 is greater than V2 but P1 is greater than P2.
D.V1 is smaller than V2 but P1 is smaller than P2.
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2) The figure shows an activity to demostrate Bernoulli’s principle.
When air is blown into the Venturi tube,A.The water levels in the tubes A and B are of the same height.B.The water level at tube B is the highest.C.The water level at tube B is the lowest.D.The water level at tubes A is the lowest.
A
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3) Which of the following objects does not make use of Bernoulli’s principle?
A.AeroplaneB.Racing carC.SyringeD.Filter pump
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4) State Bernoulli’s principle.
A.The pressure of a moving fluid decreases as the speed of the fluid increases.B.The pressure of a moving fluid increases as the speed of the fluid decreases.C.The pressure of a moving fluid increases as the speed of the fluid increases.D.The pressure of a moving fluid decreases as the speed of the fluid decreases.
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5) Bernoulli’s principle is only true under
the following conditions:I. The fluid is incompressibleII.The fluid flows easilyIII.The fluid is streamlinedIV.The fluid flows difficulty
A.I and IIB.I, II and IIIC.I onlyD.I and III
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6) State the relationship between V1 and V2, P1 and P2.
A.V1 greater than V2, P1 higher than P2.
B.V1 smaller than V2, P1 lower than P2.
C.V1 smaller than V2, P1 higher than P2.
D.V1 greater than V2, P1 lower than P2.Click option for answer
7) State the pressure at point P and Q.
A.P: Low and Q: highB.P: High and Q: highC.P: High and Q: LowD.P: Low and Q: Low
P Q
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8) State the velocity at point P and Q.
A.P: High and Q: lowB.P: High and Q: highC.P: Low and Q: LowD.P: Low and Q: High
P Q
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