AP ECET CIVIL ENGINEERING Multiple Choice Questions (MCQs)
AP ECET Civil Engineering Hydraulics - Unit 7: MCQs
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Which property of a fluid is defined as its weight per unit volume?
- a) Mass density
- b) Specific weight
- c) Specific gravity
- d) Surface tension
Answer: b) Specific weight
-
What is the ratio of the density of a substance to the density of water called?
- a) Specific gravity
- b) Capillarity
- c) Viscosity
- d) Surface tension
Answer: a) Specific gravity
-
Which of the following is a measure of a fluid's resistance to flow?
- a) Surface tension
- b) Capillarity
- c) Viscosity
- d) Specific gravity
Answer: c) Viscosity
-
What is the difference between gauge pressure and absolute pressure?
- a) Atmospheric pressure
- b) Fluid pressure
- c) Specific pressure
- d) Surface tension
Answer: a) Atmospheric pressure
-
The point at which the total pressure force acts on a plane surface is called:
- a) Centre of gravity
- b) Centre of pressure
- c) Fluid dynamic centre
- d) Pressure node
Answer: b) Centre of pressure
-
Which device is used to measure fluid pressure using a column of liquid?
- a) Piezometer
- b) Manometer
- c) Barometer
- d) Pitot tube
Answer: a) Piezometer
-
Which type of flow occurs when all particles of a fluid move along well-defined paths?
- a) Laminar flow
- b) Turbulent flow
- c) Uniform flow
- d) Steady flow
Answer: a) Laminar flow
-
The continuity equation is based on the principle of:
- a) Conservation of momentum
- b) Conservation of mass
- c) Conservation of energy
- d) Conservation of pressure
Answer: b) Conservation of mass
-
Which instrument is used to measure the velocity of a fluid at a point?
- a) Venturi meter
- b) Orifice meter
- c) Pitot tube
- d) Manometer
Answer: c) Pitot tube
-
Bernoulli’s theorem is based on the principle of:
- a) Conservation of mass
- b) Conservation of energy
- c) Conservation of momentum
- d) Conservation of density
Answer: b) Conservation of energy
-
What is the ratio of the actual discharge to the theoretical discharge called?
- a) Coefficient of contraction (Cc)
- b) Coefficient of velocity (Cv)
- c) Coefficient of discharge (Cd)
- d) Flow coefficient (Cf)
Answer: c) Coefficient of discharge (Cd)
-
Flow through an orifice submerged in fluid is classified as:
- a) Free flow
- b) Submerged flow
- c) Turbulent flow
- d) Laminar flow
Answer: b) Submerged flow
-
Which of the following is a type of notch used to measure flow?
- a) Rectangular notch
- b) Circular notch
- c) Hexagonal notch
- d) Parabolic notch
Answer: a) Rectangular notch
-
The Francis formula for discharge over weirs is primarily used for:
- a) Circular weirs
- b) Rectangular weirs
- c) Sharp-crested weirs
- d) Broad-crested weirs
Answer: c) Sharp-crested weirs
-
The Venturi meter works on the principle of:
- a) Continuity equation
- b) Bernoulli’s theorem
- c) Conservation of mass
- d) Conservation of momentum
Answer: b) Bernoulli’s theorem
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