Q.1) The property of the liquid surface film to exert a tension so that even small loads can be supported over it is known as :
A) Viscosity
B) Adhesion
C) Surface Tension
D) Capillary
Option (C)
Q.2) The tendency of a small drop of water to remain in a spherical form is due to the property of :
A) Viscosity
B) Adhesion
C) Surface Tension
D) Capillary
Option (C)
Q.3) While converting absolute unit into gravitational system 1 gram weight is equivalent to –
A) 9810 (gm mass)
B) 981 dynes
C) 1 dyne
D) 1000 dynes
Option (B)
Q.4) To avoid correction for capillary action in manometers used for measuring pressures minimum diameter of the tube should be –
A) 2.5 mm
B) 10 mm
C) 50 mm
D) 6 mm
Option (D)
Q.5) If 4 m3 of a certain oil weigh 3000 kg (f) then specific weight of the oil will be –
A) 750 kg/m3
B) 12000 kg/m3
C) 7.5 gm/cm3
D) 75 gm/cm3
Option (A)
Q.6) The specific gravity of water at standard temperature (4 deg Celsius) equal to –
A) 0.999
B) 1.000
C) 1.010
D) 0.500
Option (B)
Q.7) If 4 m3 of a certain oil weighs 3000 kg then specific gravity of the oil will be –
A) 750
B) 7.5
C) 0.75
D) 0.075
Option (C)
Q.8) In order to avoid separation of liquid flow, absolute pressure head of water should not be less than –
A) 1 m
B) 9.81 m
C) 32 m
D) 2.8 m
Option (D)
Q.9) In a venturimeter, the ratio between throat diameter and pipe diameter is generally adopted as –
A) 1 : 2
B) 1 : 4
C) 1 : 8
D) 2 : 11
Option (A)
Q.10) The Euler’s equation for steady flow of an ideal fluid along a stream line is based on Newton’s –
A) 1st law of forces
B) 2nd law of motion
C) 3rd law of momentum
D) Law of friction
Option (B)
Q.11) While applying Bernoulli’s equation, velocity of liquid which is taken into account –
A) Initial Velocity
B) Final Velocity
C) Mean Velocity
D) Square of Mean Velocity
Option (C)
Q.12) Pitot Tube is device used for measuring –
A) Disharge
B) Pressure
C) Velocity
D) Kinetic & Potential Energy
Option (C)
Q.13) The force of resistance offered by an inert mass to the acceleration of a particle is known as –
A) Friction Force
B) Pressure Force
C) Inertia Force
D) Surface Tension Force
Option (C)
Q.14) A Centrifugal pump is just the reverse of –
A) Radially inward flow reaction turbine
B) Radially outward flow reaction turbine
C) Pelton Wheel
D) Axial Flow Turbine
Option (A)
Q.15) The direction of flow of liquid in a propeller pump impeller is in –
A) Outward radial direction
B) Inward radial direction
C) Axial direction
D) The direction tangential to the impeller
Option (C)
Q.16) The property of the liquid surface film to exert a tension so that even small loads can be supported over it is known as :
A) Viscosity
B) Adhesion
C) Surface Tension
D) Capillary
Option (C)
Q.17) The Pressure Gauge is used to measure :
A) Atmospheric Pressure
B) Gauge Pressure
C) Absolute Pressure
D) Mean Pressure
Option (B)
Q.18) A Piezometer tube is used for measuring :
A) Low Pressure
B) High Pressure
C) Moderate Pressure
D) Vacuum Pressure
Option (C)
Q.19) The stability of dam is checked for –
A) Tension at base
B) Overturning of the wall or dam
C) Sliding of the wall or dam
D) All of the above
Option (D)
Q.20) When a body is placed over a liquid, it will sink down if :
A) Gravitational Force = Upthrust of liquid
B) Gravitational Force < Upthrust of liquid
C) Gravitational Force > Upthrust of liquid
D) None of the above
Option (C)
