# A sample of metal weighs 219gms in air, 180gms in water, 120gms in an unknown fluid. Then which is correct statement about density of metal

1.  density of metal can't be determined

2.  metal is twice as dense as water

3.  metal will float in water

4.  metal is twice as dense as unknown fluid

4

density of metal can't be determined

Explanation :
No Explanation available for this question

# The property of fluid by virtue of which it offers resistance to shear is called

1.  surface tension

3.  cohesion

4.  viscosity

4

viscosity

Explanation :
No Explanation available for this question

# Surface tension

1.  acts in the plane of the interface normal to any line in the surface

2.  is also known as capillarity

3.  is a function of the curvature of the interface

4.  decreases with fall in temperature

4

acts in the plane of the interface normal to any line in the surface

Explanation :
No Explanation available for this question

# The stress-strain relation of the newton on fluid is

1.  linear

2.  parabolic

3.  hyperbolic

4.  inverse type

4

linear

Explanation :
No Explanation available for this question

# A liquid compressed in cylinder has a volume of 0.04 m3 at 50 kg/cm2 and a volume of 0.039m3 at 150 kg/cm2. The bulk modulus of elasticity of liquid is

1.  400 kg/cm2

2.  4000 kg/cm2

3.  40 x 105 kg/cm2

4.  40 x 106 kg/cm2

4

4000 kg/cm2

Explanation :
No Explanation available for this question

# The C.G. of a plane lamina will not be at its geometrical center in the case of a

1.  right angled triangle

2.  equilateral triangle

3.  square

4.  circle

4

right angled triangle

Explanation :
No Explanation available for this question

# Kinematic viscosity is dependent upon

1.  pressure

2.  distance

3.  level

4.  density

4

density

Explanation :
No Explanation available for this question

# The C.G. of a right circular solid cone of height h lies at the following distance from the base

1.  h/2

2.  J/3

3.  h/6

4.  h/4

4

h/4

Explanation :
No Explanation available for this question

# Units of surface tension are

1.  energy/unit area

2.  distance

3.  both of the above

4.  it has no units

4

both of the above

Explanation :
No Explanation available for this question

1.  Red wood

2.  Say bolt

3.  Engler

4.  Orsat

4