Question

1) The mass per unit volume of a liquid at a standard temperature and pressure is called
a) specific weight
b) mass density
c) specific gravity
d) none of these
2) The volume per unit mass of a liquid is called specific volume.
a) yes
b ) no
3) The weight per unit volume of a liquid at a standard temperature and pressure is called
a) specific weight
b) mass density
c) specific gravity
d) none of these
4) The specific weight of water in SI units is taken as
a) 9.81 kN/m3
b) 9.81x10'3 N/ m3
c) 9.81x10'-6 N/mm3
d) any one of these
5) The ratio of specific weight of a liquid to the specific weight of pure water at a standard temperature is called
a) density of fluid
b) specific gravity of liquid
c) compressibility of liquid
d) surface tension of liquid
6) The specific gravity has no units
a) Agree
b) disagree
7) The specific gravity of water is taken as
a) 0.001
b) 0.01
c) 0.1
d) 1
8) The specific weight of sea water is ..........that of pure water
a) same as
b) less than
c) more than
9) The density of a liquid in kg/m3 is numerically equal to its specific gravity
a) True
b) False
10) The specific weight is also known as weight density
a) correct
b) incorrect
11) The mass of 2.5 m3 of a certain liquid is 2 tonnes. It mass density is
a) 200 kg/m3
b) 400 kg/ m3
c) 600kg/ m3
d) 800 kg/m3
12) The specific gravity of an oil whose specific weight is 7.85 kN/m3 is
a) 0.8
b) 1
c) 1.2
d) 1.6
13) A vessel of 4 m3 contains an oil which weighs 30 kN. The specific weight of the oil is
a)4.5 kN/m3
b) 6kN/m3
c) 7.5 kN/m3
d) 10 kN/m3
14) The property of a liquid which offers resistance to the movement of one layer of liquid over another adjacent layer of liquid is called
a) surface tension
b) compressibility
c) capillarity
d) viscosity
15) Kinematic viscosity is the product of dynamic viscosity and the density of liquid
a) yes
b) no
16) The force per unit length is the unit of
a) surface tension
b) compressibility
c) capillarity
d) viscosity
17) The variation in the volume of a liquid with the variation of pressure is called it's
a) surface tension
b) compressibility
c) capillarity
d) viscosity
18) The property of a liquid which enables it to resist tensile stress is called it's surface tension
a) agree
b) disagree
19) When a tube of smaller diameter is dipped in water the water rises in the tube due to viscosity of water
a) True
b) False
20) When a tube of smaller diameter is dipped in water, the water rises in the tube with an upward.........surface
a) concave
b) convex
21) The mercury does not wet the glass. This is due to the property of the liquid known as
a) cohesion
b) adhesion
c) viscosity
d) surface tension
22) With an increase in size of tube, the rise or depression of liquid in the tube due to surface tension will
a) decrease
b) increase
c) remain unchanged
d) depend upon the characteristics of liquid
23) The surface tension of mercury at normal temperature is ..........that of water
a) same as
b) lower than
c) higher than
24) The unit of surface tension is
a) N/m
b) N/m3
c) N/m3
d) N-m
25) The viscosity of a liquid is due to cohesion of its particles
a) correct
b) incorrect​

Answer 1

Explanation:

The mass per unit volume of a liquid at standard temperature and pressure is called