If we want to calculate the pressure of a liquid at the bottom of a vessel, the quantity which is not required to determine it, is – (1) Height of the liquid column (2) Surface area of the bottom of the vessel (3) Density of the liquid (4) Acceleration due to gravity at the bottom of the vessel

If we want to calculate the pressure of a liquid at the bottom of a vessel, the quantity which is not required to determine it, is – (1) Height of the liquid column (2) Surface area of the bottom of the vessel (3) Density of the liquid (4) Acceleration due to gravity at the bottom of the vessel
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(2) Surface area of the bottom of the vessel Explanation: The pressure exerted by a static fluid depends only upon the depth of the fluid, the density of the fluid, and the acceleration of gravity. Static fluid pressure does not depend on the shape, total mass, or surface area of the liquid.
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If we want to calculate the pressure of a liquid at the bottom of a vessel, the quantity which is not required to determine it, is – (1) Height of the liquid column (2) Surface area of the bottom of the vessel (3) Density of the liquid (4) Acceleration due to gravity at the bottom of the vessel

Description : If we want to calculate the pressure of a liquid at the bottom of a vessel, the quantity which is not required to determine it, is – (1) Height of the liquid column (2) Surface area of the bottom of the vessel (3) Density of the liquid (4) Acceleration due to gravity at the bottom of the vessel

Last Answer : (2) Surface area of the bottom of the vessel Explanation: The pressure exerted by a static fluid depends only upon the depth of the fluid, the density of the fluid, and the acceleration of gravity.

If we want to calculate the pressure of a liquid at the bottom of a vessel, the quantity which is not required to determine it, is (1) Height of the liquid column (2) Surface area of the bottom of the vessel (3) Density of the liquid (4) Acceleration due to gravity at the bottom of the vessel

Description : If we want to calculate the pressure of a liquid at the bottom of a vessel, the quantity which is not required to determine it, is (1) Height of the liquid column (2) Surface area of the bottom of the vessel (3) Density of the liquid (4) Acceleration due to gravity at the bottom of the vessel

Last Answer : Surface area of the bottom of the vessel

Calculate the acceleration due to gravity at a height of 300 km from the surface of the Earth. (M = 5.98 × 10^24 kg, R = 6400 km).

Description : Calculate the acceleration due to gravity at a height of 300 km from the surface of the Earth. (M = 5.98 × 10^24 kg, R = 6400 km).

Last Answer : Calculate the acceleration due to gravity at a height of 300 km from the surface of the Earth. (M = 5.98 × 1024 kg, R = 6400 km).

Assuming uniform density of the core, the acceleration due to gravity below the Earth's surface is A. inversely proportional to the square of the distance from the center of the Earth B. inversely proportional to the distance from the center of the Earth C. directly proportional to the square of the distance from the center of the Earth D. directly proportional to the distance from the center of the Earth

Description : Assuming uniform density of the core, the acceleration due to gravity below the Earth's surface is A. inversely proportional to the square of the distance from the center of the Earth ... center of the Earth D. directly proportional to the distance from the center of the Earth

Last Answer : directly proportional to the distance from the center of the Earth

Pick out the wrong statement. (A) With decrease in feed temperature, the number of plates required for binary distillation decreases for a given ‘L/V’ ratio (B) The extraction per unit of total height for a short packed column is more effective than for a tall column, in case of liquid-liquid extraction(C) Natural draft cooling towers are made of ferroconcrete and its cross￾section is wider at the bottom(D) Vander wall adsorption is also called chemisorption

Description : Pick out the wrong statement. (A) With decrease in feed temperature, the number of plates required for binary distillation decreases for a given L/V' ratio (B) The extraction per unit ... and its cross￾section is wider at the bottom (D) Vander wall adsorption is also called chemisorption

Last Answer : (D) Vander wall adsorption is also called chemisorption

Liquid pressure at any point inside the liquid, depends upon _______of the liquid and the height of liquid column above that point. a) area b)density c)weight d)none

Description : Liquid pressure at any point inside the liquid, depends upon _______of the liquid and the height of liquid column above that point. a) area b)density c)weight d)none

Last Answer : b)density

Show that acceleration due to gravity at height h above the Earth’s surface is gh = g(R/R + h)^2

Description : Show that acceleration due to gravity at height h above the Earth’s surface is gh = g(R/R + h)^2

Last Answer : Show that acceleration due to gravity at height h above the Earth’s surface is gh = g \(\left(\frac{R}{R + h}\right)^2\) gh = g(R/R + h)2

If a student drops a stone from a cliff of height 30 m and the time it takes to reach the ground is 2.6 s, then the acceleration due to gravity isA. 9 m s-2B. 10 m s-2C. 4 m s-2D. 8.8 m s-2

Description : If a student drops a stone from a cliff of height 30 m and the time it takes to reach the ground is 2.6 s, then the acceleration due to gravity isA. 9 m s-2 B. 10 m s-2 C. 4 m s-2 D. 8.8 m s-2

Last Answer : 8.8 m s-2

A ball is dropped from a height of 256 feet. The acceleration due to gravity is 32 feet per second squared. How many seconds will it take for the ball to reach the ground?

Description : A ball is dropped from a height of 256 feet. The acceleration due to gravity is 32 feet per second squared. How many seconds will it take for the ball to reach the ground?

Last Answer : ANSWER: 4

A hydrogen filled balloon rises in air because (a) The atmospheric pressure decreases with altitude (b) The acceleration due to gravity decreases with altitude (c) The density of air decreases with altitude (d) The buoyant force exerted by the air on the balloon is greater than the weight of the balloon

Description : A hydrogen filled balloon rises in air because (a) The atmospheric pressure decreases with altitude (b) The acceleration due to gravity decreases with altitude (c) The density of air decreases with ... The buoyant force exerted by the air on the balloon is greater than the weight of the balloon

Last Answer : Ans:(d)

A person can jump higher on the moon's surface than on the earth because – (1) the moon's surface is rough (2) the acceleration due to gravity in moon is smaller than that on the earth. (3) the moon is cooler than earth (4) the moon has no atmosphere

Description : A person can jump higher on the moon's surface than on the earth because – (1) the moon's surface is rough (2) the acceleration due to gravity in moon is smaller than that on the earth. (3) the moon is cooler than earth (4) the moon has no atmosphere

Last Answer : (2) the acceleration due to gravity in moon is smaller than that on the earth. Explanation: The acceleration due to the gravitational field of moon (g' = 1.62631 ms-2) is one-sixth of the acceleration due ... earth. It is due to this reason; a man can jump six times higher on moon than on earth.

If a body weighs 12N on the surface of the earth, how much will it weigh on the surface of the moon where acceleration due to gravity is only one-sixth of that on earth's surface? (1) 12N (2) 2N (3) 10N (4) 6N

Description : If a body weighs 12N on the surface of the earth, how much will it weigh on the surface of the moon where acceleration due to gravity is only one-sixth of that on earth's surface? (1) 12N (2) 2N (3) 10N (4) 6N

Last Answer : (2) 2N Explanation: Weight is mass x g. Since mass is constant and g is only 16thof that on the earth. The weight on the moon is only 16th of that on the earth.

An object with a mass of 5 kilograms is a distance of 5 meters above the surface of the earth. If the acceleration due to gravity is 10 meters per second squared, the potential energy of the object relative to the surface of the earth is: w) 10 joules x) 20 joules y) 100 joules z) 250 joules e) none of the above

Description : An object with a mass of 5 kilograms is a distance of 5 meters above the surface of the earth. If the acceleration due to gravity is 10 meters per second squared, the potential energy of the object relative to the ... is: w) 10 joules x) 20 joules y) 100 joules z) 250 joules e) none of the above

Last Answer : ANSWER: Z -- 250 JOULES

A person can jump higher on the moon’s surface than on the earth because : (1) the moon’s surface is rough (2) the acceleration due to gravity in moon is smaller than that on the earth. (3) the moon is cooler than earth (4) the moon has no atmosphere

Description : A person can jump higher on the moon’s surface than on the earth because : (1) the moon’s surface is rough (2) the acceleration due to gravity in moon is smaller than that on the earth. (3) the moon is cooler than earth (4) the moon has no atmosphere

Last Answer : the acceleration due to gravity in moon is smaller than that on the earth.

Which of the following situations can be approximated to a steady state heat transfer system? (A) A red hot steel slab (having outside surface temperature as 1300°C) exposed to the atmospheric air at 35°C (B) 10 kg of dry saturated steam at 8 kgf/cm2 flowing through a short length of stainless steel pipe exposed to atmospheric air at 35°C (C) Boiling brine kept in open vessel when the bottom surface temperature of the vessel is maintained constant at 180°C (D) A sub-cooled refrigerant liquid at 8°C flowing at the rate of 6 Kg/minute through a copper pipe exposed to atmospheric air at 35°C

Description : Which of the following situations can be approximated to a steady state heat transfer system? (A) A red hot steel slab (having outside surface temperature as 1300°C) exposed to the atmospheric air at ... flowing at the rate of 6 Kg/minute through a copper pipe exposed to atmospheric air at 35°C

Last Answer : (B) 10 kg of dry saturated steam at 8 kgf/cm2 flowing through a short length of stainless steel pipe exposed to atmospheric air at 35°C

A tank of uniform cross-sectional area (A) containing liquid upto height (H1) has an orifice of cross￾sectional area (a) at its bottom. The time required to bring the liquid level from H1 to H2 will be (A) 2A × d × a × 2g) (B) 2A × d × a × 2g) (C) 2A × - d × a × 2g) (D) 2A × 3/2 - 3/2)/Cd × a × 2g)

Description : A tank of uniform cross-sectional area (A) containing liquid upto height (H1) has an orifice of cross￾sectional area (a) at its bottom. The time required to bring the liquid level from H1 to H2 will be (A) 2A d a 2g) (B) 2A d ... 2g) (C) 2A - d a 2g) (D) 2A 3/2 - 3/2)/Cd a 2g)

Last Answer : Answer: Option C

In Joule's experiment, an insulated container contains 20 kg of waterinitially at 25°C. It is stirred by an agitator, which is made to turn by aslowly falling body weighing 40 kg through a height of 4 m. The process isrepeated 500 times. The acceleration due to gravity is 9.8 ms-2. Neglectingthe heat capacity of agitator, the temperature of water (in °C) is(A) 40.5(B) 34.4(C) 26.8(D) 25

Description : In Joule's experiment, an insulated container contains 20 kg of waterinitially at 25°C. It is stirred by an agitator, which is made to turn by a slowly falling body weighing 40 kg through a height of 4 m. The process is repeated ... temperature of water (in °C) is (A) 40.5 (B) 34.4 (C) 26.8 (D) 25

Last Answer : (B) 34.4

As we go from Equator to North pole the value of `S, the acceleration due to gravity (1) remains the same (2) decreases (3) increases (4) None of the above

Description : As we go from Equator to North pole the value of `S, the acceleration due to gravity (1) remains the same (2) decreases (3) increases (4) None of the above

Last Answer : (3) increases Explanation: The acceleration due to gravity of earth is the rate of increase of velocity of a body falling freely towards the earth. At a given place, the value of acceleration due to gravity ... out at the equator. The value of 'g' is minimum at the equator and maximum at the poles.

As we go from Equator to North pole the value of ‘g’, the acceleration due to gravity (1) remains the same (2) decreases (3) increases (4) None of the above

Description : As we go from Equator to North pole the value of ‘g’, the acceleration due to gravity (1) remains the same (2) decreases (3) increases (4) None of the above

Last Answer : increases

Two planets have the same density of matter, such that their masses are proportional to the cube of their radii. The ratio of their acceleration due to gravity on their surfaces is (a) r2/r1 (b) (r1/r2)2 (c) r1/r2 (d) (r2/r1)2

Description : Two planets have the same density of matter, such that their masses are proportional to the cube of their radii. The ratio of their acceleration due to gravity on their surfaces is (a) r2/r1 (b) (r1/r2)2 (c) r1/r2 (d) (r2/r1)2

Last Answer : Ans:(d) Direction: In the following question, a statement of Assertion (A) is given followed by corresponding Reason (R), just below it. Read the statements carefully and mark the correct answer: (a) If both A and ... true but R is not the correct explanation of A. (c) If A is true but R is false

The intensity of pressure at any point, in a liquid, is (A) Directly proportional to the area of the vessel containing liquid (B) Directly proportional to the depth of liquid from the surface (C) Directly proportional to the length of the vessel containing liquid (D) Inversely proportional to the depth of liquid from the surface

Description : The intensity of pressure at any point, in a liquid, is (A) Directly proportional to the area of the vessel containing liquid (B) Directly proportional to the depth of liquid from the ... length of the vessel containing liquid (D) Inversely proportional to the depth of liquid from the surface

Last Answer : Answer: Option B

The product of mass and acceleration of flowing liquid is called (A) Inertia force (B) Viscous force (C) Gravity force (D) Pressure force

Description : The product of mass and acceleration of flowing liquid is called (A) Inertia force (B) Viscous force (C) Gravity force (D) Pressure force

Last Answer : Answer: Option A

Liquid A and liquid B exert same amount of pressure on each other, but the density of A is twice the density of B. The height of liquid B is 10 cm, then the height of liquid A would be A. 5 cm B. 10 cm C. 20 cm D. 40 cm

Description : Liquid A and liquid B exert same amount of pressure on each other, but the density of A is twice the density of B. The height of liquid B is 10 cm, then the height of liquid A would be A. 5 cm B. 10 cm C. 20 cm D. 40 cm

Last Answer : 5 cm

If is the speed of a locomotive in km per hour, g is the acceleration due to gravity, is the distance between running faces of the rails and is the radius of the circular curve, the required super elevation is (A) gV²/GR (B) Rg/GV² (C) GR/gV² (D) GV²/gR

Description : If is the speed of a locomotive in km per hour, g is the acceleration due to gravity, is the distance between running faces of the rails and is the radius of the circular curve, the required super elevation is (A) gV²/GR (B) Rg/GV² (C) GR/gV² (D) GV²/gR

Last Answer : (D) GV²/gR

Pick out the correct statement.(A) Angle of repose is always greater than the angle of slide (B) A hopper is a small bin with a sloping bottom (C) A silo is a short height vessel of very large diameter used for the storage of high volatile matter coal (D) Pine oil is used as a 'modifying agent' (for activating or depressing the adsorption of filming agents) in froth floatation process

Description : Pick out the correct statement. (A) Angle of repose is always greater than the angle of slide (B) A hopper is a small bin with a sloping bottom (C) A silo is a short height ... used as a 'modifying agent' (for activating or depressing the adsorption of filming agents) in froth floatation process

Last Answer : (B) A hopper is a small bin with a sloping bottom

Calculate the value of acceleration due to gravity on the surface of Mars if the radius of Mars = 3.4 × 10^3 km and its mass is 6.4 × 10^23 kg.

Description : Calculate the value of acceleration due to gravity on the surface of Mars if the radius of Mars = 3.4 × 10^3 km and its mass is 6.4 × 10^23 kg.

Last Answer : Calculate the value of acceleration due to gravity on the surface of Mars if the radius of Mars = 3.4 × 103 km and its mass is 6.4 × 1023 kg.

At what distance below the surface of the Earth, the acceleration due to gravity decreases by 10% of its value at the surface,

Description : At what distance below the surface of the Earth, the acceleration due to gravity decreases by 10% of its value at the surface,

Last Answer : At what distance below the surface of the Earth, the acceleration due to gravity decreases by 10% of ... surface, given radius of Earth is 6400 km.

Obtain the formula for acceleration due to gravity at the depth ‘d’ below the Earth’s surface.

Description : Obtain the formula for acceleration due to gravity at the depth ‘d’ below the Earth’s surface.

Last Answer : Obtain the formula for acceleration due to gravity at the depth ‘d’ below the Earth’s surface.

How far away from the surface of the Earth does the acceleration due to gravity become ½ of its value at the surface of Earth? It is at a (a) Distance equal to radius (b) Distance equal to half the radius (c) Distance equal to twice the radius (d) Distance equal to 0.414 times the radius

Description : How far away from the surface of the Earth does the acceleration due to gravity become ½ of its value at the surface of Earth? It is at a (a) Distance equal to radius (b) Distance equal to half the radius (c) Distance equal to twice the radius (d) Distance equal to 0.414 times the radius

Last Answer : Ans:(d)

Alcohol is used in manometers because (A) It has low vapour pressure (B) It is clearly visible (C) It has low surface tension (D) It can provide longer column due to low density

Description : Alcohol is used in manometers because (A) It has low vapour pressure (B) It is clearly visible (C) It has low surface tension (D) It can provide longer column due to low density

Last Answer : Answer: Option D

The wall of a dam is made thicker at the bottom than at the top because the pressure exerted by the water on the wall (1) depends on the thickness of the wall (2) increases with height of the wall (3) increases with depth of the wall (4) depends on the area of the wall

Description : The wall of a dam is made thicker at the bottom than at the top because the pressure exerted by the water on the wall (1) depends on the thickness of the wall (2) increases with height of the wall (3) increases with depth of the wall (4) depends on the area of the wall

Last Answer :  increases with depth of the wall

The sensation of weightlessness in a spacecraft in an orbit is due to the – (1) Absence of gravity outside (2) Acceleration in the orbit which is equal to the acceleration due to gravity outside (3) Presence of gravity outside but not inside the spacecraft (4) Fact that spacecraft in the orbit has no energy

Description : The sensation of weightlessness in a spacecraft in an orbit is due to the - (1) Absence of gravity outside (2) Acceleration in the orbit which is equal to the acceleration due to gravity outside ... of gravity outside but not inside the spacecraft (4) Fact that spacecraft in the orbit has no energy

Last Answer : (2) Acceleration in the orbit which is equal to the acceleration due to gravity outside Explanation: Weightlessness in space is caused by the simple physical factors that cause the limitation of gravity. ... . Many people believe that a lack of gravity is the root cause for weightlessness in space.

The acceleration due to gravity on the moon is 1.6 meters per second squared. If a pendulum is whose length is 6.4 meters is placed on the moon, its period will be: w) 1.57 seconds x) 3.14 seconds y) 12.56 seconds z) 25.12 seconds

Description : The acceleration due to gravity on the moon is 1.6 meters per second squared. If a pendulum is whose length is 6.4 meters is placed on the moon, its period will be: w) 1.57 seconds x) 3.14 seconds y) 12.56 seconds z) 25.12 seconds

Last Answer : not real

The sensation of weightlessness in a spacecraft in an orbit is due to the (1) absence of gravity outside (2) acceleration in the orbit which is equal to the acceleration due to gravity outside (3) presence of gravity outside but not inside the spacecraft (4) fact that spacecraft in the orbit has no energy

Description : The sensation of weightlessness in a spacecraft in an orbit is due to the (1) absence of gravity outside (2) acceleration in the orbit which is equal to the acceleration due to gravity outside (3 ... of gravity outside but not inside the spacecraft (4) fact that spacecraft in the orbit has no energy

Last Answer :  acceleration in the orbit which is equal to the acceleration due to gravity outside

Find the area of the sheet required to make closed cylindrical vessel of height 1 m and diameter 140 cm. -Maths 9th

Description : Find the area of the sheet required to make closed cylindrical vessel of height 1 m and diameter 140 cm. -Maths 9th

Last Answer : Required sheet = T.S.A. of cyclinder = 2πr (h+r) = 2 × 22 / 7 × 70 / 100(1 + 70 / 100) = 2 × 22 × 0.1 × 1.7 = 7.48 m2

Find the area of the sheet required to make closed cylindrical vessel of height 1 m and diameter 140 cm. -Maths 9th

Description : Find the area of the sheet required to make closed cylindrical vessel of height 1 m and diameter 140 cm. -Maths 9th

Last Answer : Required sheet = T.S.A. of cyclinder = 2πr (h+r) = 2 × 22 / 7 × 70 / 100(1 + 70 / 100) = 2 × 22 × 0.1 × 1.7 = 7.48 m2

In an operating distillation column, the (A) Vapors and liquids are at their dew point and bubble point respectively (B) Driving force for the liquid flow is its specific weight (C) Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column (D) Highest temperature is encountered at the top of the column

Description : In an operating distillation column, the (A) Vapors and liquids are at their dew point and bubble point respectively (B) Driving force for the liquid flow is its specific weight (C) Driving force for ... bottom to the top of the column (D) Highest temperature is encountered at the top of the column

Last Answer : (C) Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column

Torricelli's theorem states that the velocity ‘v’ of the liquid emerging from the bottom of the wide tank is given by √(2gh). In practice, this velocity is: A. equal to √(2gh) B. greater than √(2gh) C. lesser than √(2ghD. independent of height and gravitational field strength)

Description : Torricelli's theorem states that the velocity ‘v’ of the liquid emerging from the bottom of the wide tank is given by √(2gh). In practice, this velocity is: A. equal to √(2gh) B. greater than √(2gh) C. lesser than √(2gh) D. independent of height and gravitational field strength

Last Answer :  lesser than √(2gh

At high altitudes it is difficult to cook eggs or vegetables properly because of (a) High boiling point of water and low atmospheric pressure (b) Low boiling point of water and low atmospheric pressure (c) Low value of acceleration due to gravity (d) High atmospheric pressure and low billing point of water

Description : At high altitudes it is difficult to cook eggs or vegetables properly because of (a) High boiling point of water and low atmospheric pressure (b) Low boiling point of water and low atmospheric ... Low value of acceleration due to gravity (d) High atmospheric pressure and low billing point of water

Last Answer : Ans:(b)

A vessel with a volume of cubic meter contains liquid water and water vapor ion equilibrium at 600 kPa. The liquid water has mass of1kg. Using the steam table, calculate the mass of the water vapor.  A. 0.99kg  B. 1.57 kg  C. 2.54 kg  D. 3.16 kg Formula: from the steam table at 600kPa vƒ = 0.001101 m^3 / kg vg = 0.3157 m^3 / kg Vtot = mƒ vƒ + mg vg mg = (tot-mƒ vƒ) / vg

Description : A vessel with a volume of cubic meter contains liquid water and water vapor ion equilibrium at 600 kPa. The liquid water has mass of1kg. Using the steam table, calculate the mass of the water vapor.  A. 0.99kg  B. 1.57 kg  C ... / kg vg = 0.3157 m^3 / kg Vtot = mƒ vƒ + mg vg mg = (tot-mƒ vƒ) / vg

Last Answer : 3.16 kg

A 10m^3 vessel initially contains 5 m^3 of liquid water and 5 m^3 of saturated water vapor at 100 kPa. Calculate the internal energy of the system using the steam table.  A. 5 x10^5 kJ  B. 8x10^5 kJ  C. 1 x10^6 kJ  D. 2 x10^6 kJ Formula: fromthe steamtable vƒ = 0.001043 m^3 / kg vg = 1.6940 m^3 / kg u ƒ= 417.3 kJ/kg ug= 2506kJ/kg formula: Mvap = V vap/vg M liq = Vliq/ vƒ u =uƒM liq + ug M vap

Description : A 10m^3 vessel initially contains 5 m^3 of liquid water and 5 m^3 of saturated water vapor at 100 kPa. Calculate the internal energy of the system using the steam table.  A. 5 x10^5 kJ  B. 8x10^5 kJ  C. 1 ... 3 kJ/kg ug= 2506kJ/kg formula: Mvap = V vap/vg M liq = Vliq/ vƒ u =uƒM liq + ug M vap

Last Answer : 2 x10^6 kJ

The total pressure on a horizontally immersed surface is (where w = Specific weight of the liquid, A = Area of the immersed surface, and x = Depth of the centre of gravity of the immersed surface from the liquid surface) (A) wA (B) wx (C) wAx (D) wA/x

Description : The total pressure on a horizontally immersed surface is (where w = Specific weight of the liquid, A = Area of the immersed surface, and x = Depth of the centre of gravity of the immersed surface from the liquid surface) (A) wA (B) wx (C) wAx (D) wA/x

Last Answer : Answer: Option C

The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, and x = Depth of centre of gravity of the immersed surface from the liquid surface) (A) (IG/ ) - (B) (IG/ ) - (C) ( /IG) + (D) (IG/ ) +

Description : The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, ... (IG/ ) - (B) (IG/ ) - (C) ( /IG) + (D) (IG/ ) +

Last Answer : Answer: Option D

The ratio of specific weight of a liquid to the specific weight of pure water at a standard temperature is called (A) Density of liquid (B) Specific gravity of liquid (C) Compressibility of liquid (D) Surface tension of liquid

Description : The ratio of specific weight of a liquid to the specific weight of pure water at a standard temperature is called (A) Density of liquid (B) Specific gravity of liquid (C) Compressibility of liquid (D) Surface tension of liquid

Last Answer : Answer: Option B

A liquid disturbed by stirring comes to rest due to – (1) density (2) surface tension (3) viscosity (4) centripetal force

Description : A liquid disturbed by stirring comes to rest due to – (1) density (2) surface tension (3) viscosity (4) centripetal force

Last Answer : (3) viscosity Explanation: It happens because of viscosity. The viscosity of a fluid is a measure of its resistance to gradual deformation by shear stress or tensile stress. It is due to friction between neighboring parcels of the fluid that are moving at different velocities.

A liquid disturbed by stirring comes to rest due to (1) density (2) surface tension (3) viscosity (4) centripetal force

Description : A liquid disturbed by stirring comes to rest due to (1) density (2) surface tension (3) viscosity (4) centripetal force

Last Answer : viscosity

If the back fill is having a uniform surcharge of intensity per unit area, the lateral pressure will be (A) q times the lateral pressure within the surface (B) 1/q times the lateral pressure within the surface (C) Equal to a fill of height Z equal to q/r, where r is the density of the backfill (D) None of these

Description : If the back fill is having a uniform surcharge of intensity per unit area, the lateral pressure will be (A) q times the lateral pressure within the surface (B) 1/q times the lateral pressure within the surface ... of height Z equal to q/r, where r is the density of the backfill (D) None of these

Last Answer : Answer: Option C

While cooking, if the bottom of the vessel is getting blackened on the outside, it means that (1) The food is not cooked completely (2) The fuel is not burning completely (3) The fuel is wet (4) The fuel is burning completely

Description : While cooking, if the bottom of the vessel is getting blackened on the outside, it means that (1) The food is not cooked completely (2) The fuel is not burning completely (3) The fuel is wet (4) The fuel is burning completely

Last Answer : (2) The fuel is not burning completely Explanation: If we observe the bottoms of cooking vessels getting blackened, it means that the air holes are blocked and fuel is getting wasted.

A capillary tube is kept vertical in a beaker containing liquid. The height to which the liquid rises by capillary action is increased if (a) The radius of the capillary is large (b) The radius of the capillary is small (c) The density of the liquid is large (d) The surface tension of the liquid is small

Description : A capillary tube is kept vertical in a beaker containing liquid. The height to which the liquid rises by capillary action is increased if (a) The radius of the capillary is large (b) The radius of the ... small (c) The density of the liquid is large (d) The surface tension of the liquid is small

Last Answer : Ans:(b)