Mechanical Properties of Fluids MCQ Questions Class 11 Physics Chapter 10
NCERT MCQ Questions for Class 11 Physics Chapter 10 Mechanical Properties of Fluids. Mechanical Properties of Fluids MCQ Questions with Answers from Class 11 Physics.
Mechanical Properties of Fluids MCQ Questions Class 11 Physics Chapter 10
Mechanical Properties of Fluids Multiple Choice Questions with Answers Class 11 Physics Chapter 10 PDF is available.
1) The force acting per unit area is called as
a) Work
b) Pressure
c) Stress
d) Strain
Ans: b) pressure
2) Pressure is the _____ quantity.
a) Vector
b) Tensor
c) Scalar
d) None
Ans: c) scalar
3) The SI unit of pressure is
a) N/m2
b) Pascal
c) Both a and b
d) None
Ans: c) both a and b
4) The dimensions of pressure are
a) [M L T]
b) [M L-1 T-2]
c) [M L-2 T-1]
d) None
Ans: b) [M L-1 T-2]
5) 1atm =
a) 1.013*10-5 Pa
b) 1.013*105 Pa
c) Both a and b
d) None
Ans: b) 1.013*105 Pa
6) The mass per unit volume is called as
a) Density
b) Pressure
c) Force
d) Work
Ans: a) density
7) The SI unit of density is
a) Kgm3
b) Kg/m3
c) Kg/m2
d) Kgm2
Ans: b) kg/m3
8) The dimensions of density are
a) [M L-3 T0]
b) [M L-3]
c) Both a and b
d) None
Ans: c) both a and b
9) Density is the positive _____ quantity.
a) Vector
b) Tensor
c) Scalar
d) None
Ans: c) scalar
10) The density of water at 4°C is
a) 1*103kg/m3
b) 1*10-3kg/m3
c) Both a and b
d) None
Ans: a) 1*103kg/m3
11) The ratio of density of a substance to the density of water at 4°C is called as
a) Density
b) Relative density
c) Humidity
d) None
Ans: b) relative density
12) Relative density is the _______ and positive______ quantity.
a) Dimensional, vector
b) Dimensionless, scalar
c) Dimensionless, vector
d) Scalar, dimensionless
Ans: b) dimensionless, scalar
13) A pressure equivalent to 1mm is called ___
a) mm of HG
b) Cm
c) A torr
d) None
Ans: c) a torr
14) 1 torr=
a) 133N/m2
b) 133Pa
c) Both a and b
d) None
Ans: c) both a and b
15) In meteorology, a common unit used for pressure is
a) Bar
b) Millibar
c) Pascal
d) Both a and b
Ans: d) both a and b
16) 1 bar =
a) 10-5Pa
b) 105Pa
c) 105N/m2
d) Both b and c
Ans: d) both b and c
17) Which of the following devices are based in the Pascal’s law
a) Hydraulic lift
b) Hydraulic pumps
c) Both a and b
d) None
Ans: c) both a and b
- In case you have missed:- Previous Chapter MCQ Questions
18) The study of fluid in motion is called as
a) Dynamics
b) Mechanics
c) Fluid dynamics
d) None
Ans: c) fluid dynamics
19) If at any point the velocity of each passing fluid particle is constant in time then the flow of fluid is said to be
a) In motion
b) Steady
c) Both a and b
d) Not confirm
Ans: c) both a and b
20) The path taken by a fluid particle under a steady flow is a
a) Not streamline
b) Streamline
c) Both a and b
d) None
Ans: b) streamline
21) Steady flow is achieved at
a) High speeds
b) Low speeds
c) Moderate speeds
d) Zero speeds
Ans: b) low speeds
22) Bernoulli’s equation ideally applies to fluids with
a) Zero viscosity
b) Non viscous fluids
c) Both a and b
d) None
Ans: c) both a and b
23) Bernoulli’s equation does not hold good for
a) Non steady
b) Turbulent flow
c) Both a and b
d) None
Ans: c) both a and b
24) Torricelli’s law is given by
a) V= √gh
b) V = √2gh
c) V = 2gh
d) V = GH
Ans : b) V = √2gh
25) The device used to measure the flow speed of incompressible fluid is called as
a) Meter
b) Venturi meter
c) Speedometer
d) None
Ans: b) Venturimeter
26) The resistance to fluid motion when a solid moves on a surface is called as
a) Humidity
b) Surface tension
c) Viscosity
d) Pressure
Ans: c) viscosity
27) The viscosity of liquids ______ with temperature.
a) Increases
b) Decreases
c) Remains same
d) Not sure
Ans: b) decreases
28) The viscosity of gases _____ with temperature.
a) Increases
b) Decreases
c) Remains same
d) Not sure
Ans: a) increases
29) 1 mm of Hg =
a) 1 torr
b) 133 Pa
c) 133 N/M2
d) All
Ans: d) all
30) The dimensions of surface tension are
a) [M L T]
b) [M T-2]
c) [M L-1 T-2]
d) None
Ans: b) [M T-2]
31) The SI unit of surface tension is
a) N/m2
b) N/m
c) N
d) None
Ans: b) N/m
32) Coefficient of viscosity is the ____ quantity.
a) Scalar
b) Vector
c) Tensor
d) None
Ans: a) scalar
33) Specific gravity is the dimensionless, unitless _____ quantity.
a) Vector
b) Tensor
c) Scalar
d) None
Ans: c) scalar
- In case you have missed:- Next Chapter MCQ Questions