If a ship travels from fresh water to a sea or ocean, it will: A. Rise a little higher B. Sink completely C. Sink a little lower D. Remain unaffected

If a ship travels from fresh water to a sea or ocean, it will: A. Rise a little higher B. Sink completely C. Sink a little lower D. Remain unaffected
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If a ship travels from fresh water to a sea or ocean, it will: A. Rise a little higher B. Sink completely C. Sink a little lower D. Remain unaffected

Description : If a ship travels from fresh water to a sea or ocean, it will: A. Rise a little higher B. Sink completely C. Sink a little lower D. Remain unaffected

Last Answer : ANSWER: A

The condensing pressure due to the presence of non-condensable gases, as compared to that actually required forcondensing temperatures without non-condensable gases, (a) will be higher (b) will be lower (c) will remain unaffected (d) may be higher or lower depending upon the nature of non-condensable gases

Description : The condensing pressure due to the presence of non-condensable gases, as compared to that actually required forcondensing temperatures without non-condensable gases, (a) will be higher (b) will be ... remain unaffected (d) may be higher or lower depending upon the nature of non-condensable gases

Last Answer : Ans: a

The fuel air ratio in a petrol engine fitted with suction carburetor, operating with dirty air filter as compared to clean filter will be A. higher B. lower C. remain unaffected D. unpredictable

Description : The fuel air ratio in a petrol engine fitted with suction carburetor, operating with dirty air filter as compared to clean filter will be A. higher B. lower C. remain unaffected D. unpredictable

Last Answer : ANSWER : A

According to the effective demand principle: a) at a certain price, the output shall not be determined by any known factor b) at a certain price, the output will remain unaffected by rise or fall in demand c) at a certain price, equilibrium output will be solely determined by the aggregate demand d) none of the above

Description : According to the effective demand principle: a) at a certain price, the output shall not be determined by any known factor b) at a certain price, the output will remain unaffected by rise or ... certain price, equilibrium output will be solely determined by the aggregate demand d) none of the above

Last Answer : c) at a certain price, equilibrium output will be solely determined by the aggregate demand

The dynamic viscosity of gases __________ with rise in temperature. (A) Remain unaffected (B) Increases (C) Decreases (D) None of these

Description : The dynamic viscosity of gases __________ with rise in temperature. (A) Remain unaffected (B) Increases (C) Decreases (D) None of these

Last Answer : Answer: Option B

Dynamic viscosity of most of the liquids with rise in temperature (A) Increases (B) Decreases (C) Remain unaffected (D) Unpredictable

Description : Dynamic viscosity of most of the liquids with rise in temperature (A) Increases (B) Decreases (C) Remain unaffected (D) Unpredictable

Last Answer : Answer: Option B

The dynamic viscosity of the liquid __________ with rise in temperature. (A) Remain unaffected (B) Increases (C) Decreases (D) None of these

Description : The dynamic viscosity of the liquid __________ with rise in temperature. (A) Remain unaffected (B) Increases (C) Decreases (D) None of these

Last Answer : Answer: Option C

The rise or depression of liquid in a tube due to surface tension will increase in size of tube will (A) Increase (B) Remain unaffected (C) May increase or decrease depending on the characteristics of liquid (D) Decrease

Description : The rise or depression of liquid in a tube due to surface tension will increase in size of tube will (A) Increase (B) Remain unaffected (C) May increase or decrease depending on the characteristics of liquid (D) Decrease

Last Answer : Answer: Option D

Dynamic viscosity of most of the gases with rise in temperature (A) Increases (B) Decreases (C) Remain unaffected (D) Unpredictable

Description : Dynamic viscosity of most of the gases with rise in temperature (A) Increases (B) Decreases (C) Remain unaffected (D) Unpredictable

Last Answer : Answer: Option A

Ports of the Baltic Sea remain open for trade even during winter because - (1) It lies in the tropical belt (2) North Atlantic Drift, a warm ocean current flows in the region. (3) Local winds keep it warm. (4) Western disturbances cause abrupt rise in the temperature.

Description : Ports of the Baltic Sea remain open for trade even during winter because - (1) It lies in the tropical belt (2) North Atlantic Drift, a warm ocean current flows in the region. (3) Local winds keep it warm. (4) Western disturbances cause abrupt rise in the temperature.

Last Answer : (2) North Atlantic Drift, a warm ocean current flows in the region. Explanation: It is due to the North Atlantic Drift which is a warm water ocean current, an extension of the Gulf Stream. This current keep the ports along the coasts warm enough to stay open year around.

Ports of the Baltic Sea remain open for trade even during winter because (1) It lies in the tropical belt. (2) North Atlantic Drift, a warm ocean current flows in the region. (3) Local winds keep it warm. (4) Western disturbances cause abrupt rise in the temperature.

Description : Ports of the Baltic Sea remain open for trade even during winter because (1) It lies in the tropical belt. (2) North Atlantic Drift, a warm ocean current flows in the region. (3) Local winds keep it warm. (4) Western disturbances cause abrupt rise in the temperature.

Last Answer : North Atlantic Drift, a warm ocean current flows in the region.

What is the name of a ship which travels below the surface of the sea?

Description : What is the name of a ship which travels below the surface of the sea?

Last Answer : A submarine

Compared to fresh Water, the freezing point of sea water is - (1) Higher (2) Lower (3) Same (4) Depends on the sea from which the water is sourced

Description : Compared to fresh Water, the freezing point of sea water is - (1) Higher (2) Lower (3) Same (4) Depends on the sea from which the water is sourced

Last Answer : (2) Lower Explanation: Ocean water freezes just like freshwater, but at lower temperatures.

Thermal efficiency of an internal combustion engine on weak mixture is a. higher b. lower c. unaffected d. unpredictable

Description : Thermal efficiency of an internal combustion engine on weak mixture is a. higher b. lower c. unaffected d. unpredictable

Last Answer : ANSWER a. higher

With absorption and decomposition of CO2 in ocean water beyond desired level, there will be : (A) decrease in temperature (B) increase in salinity (C) growth of phytoplankton (D) rise in sea level

Description : With absorption and decomposition of CO2 in ocean water beyond desired level, there will be : (A) decrease in temperature (B) increase in salinity (C) growth of phytoplankton (D) rise in sea level

Last Answer : Answer: C  Phytoplankton are photosynthesizing microscopic organisms that inhabit the upper sunlit layer of almost all oceans and bodies of fresh water. They are agents for "primary production," ... powerful biotoxins. These toxic blooms can kill marine life and people who eat contaminated seafood.

When eggs are cooked (A) Biotin is destroyed but avidin remains unaffected (B) Avidin is inactivated but biotin remains unaffected (C) Both avidin and biotin are inactivated (D) Both avidin and biotin remain unaffected

Description : When eggs are cooked (A) Biotin is destroyed but avidin remains unaffected (B) Avidin is inactivated but biotin remains unaffected (C) Both avidin and biotin are inactivated (D) Both avidin and biotin remain unaffected

Last Answer : Answer : B

The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperatureconstant, will (a) increase (b) decrease (c) may increase or decrease depending on the type of refrigerant used (d) remain unaffected

Description : The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperatureconstant, will (a) increase (b) decrease (c) may increase or decrease depending on the type of refrigerant used (d) remain unaffected

Last Answer : Ans: a

The C.O.P of a refrigeration cycle with increase in evaporator temperature, keeping condenser temperature constant, will (a) increase (b) decrease (c) remain unaffected (d) may increase or decrease depending on the type of refrigerant used

Description : The C.O.P of a refrigeration cycle with increase in evaporator temperature, keeping condenser temperature constant, will (a) increase (b) decrease (c) remain unaffected (d) may increase or decrease depending on the type of refrigerant used

Last Answer : Ans: a

A train goes past a railway station at a high speed. A young boy standing on the edge of the platform is likely to _____? A. Fall away from the train B. Remain unaffected C. Fall towards the train D. Fall away from or towards the train depending upon the speed

Description : A train goes past a railway station at a high speed. A young boy standing on the edge of the platform is likely to _____? A. Fall away from the train B. Remain unaffected C. Fall towards the train D. Fall away from or towards the train depending upon the speed

Last Answer : ANSWER: C

If there were no atmosphere, the length of the day would (a) decrease (b) remain unaffected (c) increase (d) be almost half

Description : If there were no atmosphere, the length of the day would (a) decrease (b) remain unaffected (c) increase (d) be almost half

Last Answer : Ans:(a)

If the radius of blood vessels of a person decreases his/her blood pressure will (1) increase (2) decrease (3) remain unaffected (4) increase for males and decrease for females

Description : If the radius of blood vessels of a person decreases his/her blood pressure will (1) increase (2) decrease (3) remain unaffected (4) increase for males and decrease for females

Last Answer : (1) increase Explanation: An obese person has a greatly increased number of blood vessels because of the amount of adipose tissue that must be serviced. As a result, the total length of his or ... words, the smaller the diameter of the vessel, the greater the resistance it offers to blood flow.

A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will - (1) increase (2) decrease (3) remain unaffected (4) have its shape changed

Description : A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will - (1) increase (2) decrease (3) remain unaffected (4) have its shape changed

Last Answer : (1) increase Explanation: The metal ball can be considered to be made up of several layers of thinner ones. On heating each of these layers will increase in radius.

A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will - (1) Increase (2) decrease (3) remain unaffected (4) have its shape changed

Description : A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will - (1) Increase (2) decrease (3) remain unaffected (4) have its shape changed

Last Answer : (1) Increase Explanation: The metal ball can be considered to be made up of several layers of thinner ones. On heating each of these layers will increase in radius. As the inner most layer also increases its radius, the volume inside it i.e, the volume of the hollow portion will also increase.

With increase in solvent rate, the number of transfer units, NtoG, for a fixed degree of absorption from a fixed amount of gas (A) Increases (B) Decreases (C) Decreases linearly (D) Remain unaffected

Description : With increase in solvent rate, the number of transfer units, NtoG, for a fixed degree of absorption from a fixed amount of gas (A) Increases (B) Decreases (C) Decreases linearly (D) Remain unaffected

Last Answer : (B) Decreases

With increase in temperature, the rate of extraction in leaching (solid￾liquid extraction system). (A) Increases (B) Decreases (C) Remain unaffected (D) Increases Linearly

Description : With increase in temperature, the rate of extraction in leaching (solid￾liquid extraction system). (A) Increases (B) Decreases (C) Remain unaffected (D) Increases Linearly

Last Answer : (A) Increases

For a fixed number of ideal stages in a distillation column, as the reflux ratio is increased, the difference in composition between the top and bottomproduct streams(A) Increases(B) Decreases(C) Remain unaffected(D) Passes through a maximum

Description : For a fixed number of ideal stages in a distillation column, as the reflux ratio is increased, the difference in composition between the top and bottom product streams (A) Increases (B) Decreases (C) Remain unaffected (D) Passes through a maximum

Last Answer : (A) Increases

For the same system, if the same liquid used in an absorber is decreased, the tower height will (A) Increase (B) Decrease (C) Remain unaffected (D) Decrease or increase; depends on the type of liquid

Description : For the same system, if the same liquid used in an absorber is decreased, the tower height will (A) Increase (B) Decrease (C) Remain unaffected (D) Decrease or increase; depends on the type of liquid

Last Answer : (A) Increase

Viscosity of gases __________ with increase in temperature. (A) Increase very rapidly (B) Increase slowly (C) Decrease slowly (D) Remain unaffected

Description : Viscosity of gases __________ with increase in temperature. (A) Increase very rapidly (B) Increase slowly (C) Decrease slowly (D) Remain unaffected

Last Answer : (B) Increase slowly

With increase in the distance between the heat source and the object receiving the heat, the radiation heat transfer (A) Decreases (B) Increases (C) Increases exponentially (D) Remain unaffected

Description : With increase in the distance between the heat source and the object receiving the heat, the radiation heat transfer (A) Decreases (B) Increases (C) Increases exponentially (D) Remain unaffected

Last Answer : (A) Decreases

A train goes past a railway station at a high speed. A young boy standing on the edge of the platform is likely to -----? A. Remain unaffected B. Fall away from the train C. Fall towards the train (Answer) D. Fall away from or towards the train depending upon the speed

Description : A train goes past a railway station at a high speed. A young boy standing on the edge of the platform is likely to -----? A. Remain unaffected B. Fall away from the train C. Fall towards the train (Answer) D. Fall away from or towards the train depending upon the speed

Last Answer : C. Fall towards the train (Answer)

With decrease in temperature, the equilibrium conversion of a reversible endothermic reaction (A) Decreases (B) Increases (C) Remain unaffected (D) Increases linearly with temperature

Description : With decrease in temperature, the equilibrium conversion of a reversible endothermic reaction (A) Decreases (B) Increases (C) Remain unaffected (D) Increases linearly with temperature

Last Answer : (A) Decreases

With an increase in pressure in gaseous phase chemical reactions, the fractional conversion __________ when the number of moles decreases. (A) Increases (B) Decreases (C) Remain unaffected (D) Unpredictable from the data

Description : With an increase in pressure in gaseous phase chemical reactions, the fractional conversion __________ when the number of moles decreases. (A) Increases (B) Decreases (C) Remain unaffected (D) Unpredictable from the data

Last Answer : (A) Increases

The equilibrium constant of a catalytic chemical reaction __________ due to the presence of a catalyst. (A) Increases (B) Decreases (C) Remain unaffected (D) Unpredictable from the data

Description : The equilibrium constant of a catalytic chemical reaction __________ due to the presence of a catalyst. (A) Increases (B) Decreases (C) Remain unaffected (D) Unpredictable from the data

Last Answer : (C) Remain unaffected

With increase in temperature, the equilibrium conversion of a reversibleexothermic reaction(A) Decreases(B) Increases(C) Remain unaffected(D) Decreases linearly with temperature

Description : With increase in temperature, the equilibrium conversion of a reversibleexothermic reaction (A) Decreases (B) Increases (C) Remain unaffected (D) Decreases linearly with temperature

Last Answer : (A) Decreases

The equilibrium constant of chemical reaction __________ in the presence of catalyst. (A) Increases (B) Decreases (C) Remain unaffected (D) Can either increase or decrease (depends on the type of catalyst)

Description : The equilibrium constant of chemical reaction __________ in the presence of catalyst. (A) Increases (B) Decreases (C) Remain unaffected (D) Can either increase or decrease (depends on the type of catalyst)

Last Answer : (C) Remain unaffected

A steam carrying pipeline is insulated with two layers of insulating materials with the inferior insulation material forming the inner part. If the two insulating layers are interchanged, the heat conducted will (A) Increase (B) Decrease (C) Remain unaffected (D) May increase or decrease; depends on the thickness of each layer

Description : A steam carrying pipeline is insulated with two layers of insulating materials with the inferior insulation material forming the inner part. If the two insulating layers are interchanged, the heat conducted ... ) Remain unaffected (D) May increase or decrease; depends on the thickness of each layer

Last Answer : Option C

The relative heat absorption for successively added equal areas of boiler convection heating surfaces__________ (A) Increases (B) Decreases (C) Remain unaffected (D) First increases and then decreases

Description : The relative heat absorption for successively added equal areas of boiler convection heating surfaces__________ (A) Increases (B) Decreases (C) Remain unaffected (D) First increases and then decreases

Last Answer : (B) Decreases

The door of a running refrigerator inside a room was left open. Which of the following statements is correct?  (a) The room will be cooled to the temperature inside the refrigerator.  (b) The room will be cooled very slightly.  (c) The room will be gradually warmed up.  (d) The temperature of the air in room will remain unaffected.  (e) any one of above is possible depending on the capacity.

Description : The door of a running refrigerator inside a room was left open. Which of the following statements is correct?  (a) The room will be cooled to the temperature inside the refrigerator.  (b) The room ... air in room will remain unaffected.  (e) any one of above is possible depending on the capacity.

Last Answer : Answer : c

When eggs are cooked (A) Biotin is destroyed but avidin remains unaffected (B) Avidin is inactivated but biotin remains unaffected (C) Both avidin and biotin are inactivated (D) Both avidin and biotin remain unaffected

Description : When eggs are cooked (A) Biotin is destroyed but avidin remains unaffected (B) Avidin is inactivated but biotin remains unaffected (C) Both avidin and biotin are inactivated (D) Both avidin and biotin remain unaffected

Last Answer : (B) Avidin is inactivated but biotin remains unaffected

A zinc plate is attached to the knob of a negatively charged electroscope. What will happen to the leaves of the electroscope when ultraviolet light is shown on the zinc plate. Will the leaves: w) collapse at once x) gradually come together y) gradually spread further apart z) remain unaffected

Description : A zinc plate is attached to the knob of a negatively charged electroscope. What will happen to the leaves of the electroscope when ultraviolet light is shown on the zinc plate. Will the leaves: w) collapse at once x) gradually come together y) gradually spread further apart z) remain unaffected

Last Answer : ANSWER: X -- GRADUALLY COME TOGETHER

If the radius of blood vessels of a person decreases his/her blood pressure will (1) increase (2) decrease (3) remain unaffected (4) increase for males and decrease for females

Description : If the radius of blood vessels of a person decreases his/her blood pressure will (1) increase (2) decrease (3) remain unaffected (4) increase for males and decrease for females

Last Answer : increase

With the rise of temperature, the sensitivity of a bubble tube (A) Decreases(B) Increases (C) Remains unaffected (D) None of the above

Description : With the rise of temperature, the sensitivity of a bubble tube (A) Decreases (B) Increases (C) Remains unaffected (D) None of the above

Last Answer : (A) Decreases

If we were to completely eliminate one group of marine organisms from the ocean, which would most likely be fatal to marin fish populations? Elimination of: a) urchins b) diatoms (pron: DIE-a-toms) c) starfishes d) sea anemones (pron: a-NEM-a-nees)

Description : If we were to completely eliminate one group of marine organisms from the ocean, which would most likely be fatal to marin fish populations? Elimination of: a) urchins b) diatoms (pron: DIE-a-toms) c) starfishes d) sea anemones (pron: a-NEM-a-nees)

Last Answer : ANSWER: B -- DIATOMS

Why does a small iron sink in water but a large ship float?

Description : Why does a small iron sink in water but a large ship float?

Last Answer : Answer: The weight of water displaced by an iron ball is less than its own weight, whereas water displaced by the immersed portion of a ship is equal to its weight (Archimedes? Principle).

When a ship enters a sea from a river (a) it rises a little (b) it sinks a little (c) it remains at the same level (d) it rises or sinks depending on the material it is made of

Description : When a ship enters a sea from a river (a) it rises a little (b) it sinks a little (c) it remains at the same level (d) it rises or sinks depending on the material it is made of

Last Answer : Ans:(a)

When a ship enters a sea from a river (a) It rises a little (b) It sinks a little (c) It remains at the same level (d) It rises or sinks depending on the material it is made of

Description : When a ship enters a sea from a river (a) It rises a little (b) It sinks a little (c) It remains at the same level (d) It rises or sinks depending on the material it is made of

Last Answer : Ans:(a)

When a ship enters the sea from a river (1) It rises a little (2) It sinks a little (3) It remains at the same level (4) It rises or sinks depending on the material it is made of

Description : When a ship enters the sea from a river (1) It rises a little (2) It sinks a little (3) It remains at the same level (4) It rises or sinks depending on the material it is made of

Last Answer : (1) It rises a little Explanation: On average, seawater in the world's oceans has a salinity of about 3.5% (35 g/L, or 599 mM). Seawater is denser than hot fresh water and pure water (density 1.0 g/ml) because the dissolved salts add mass without contributing significantly to the volume.

When a ship enters the sea from a river what will be the effect? (1) It lowers (2) It sways (3) It rises a little (4) It jolts

Description : When a ship enters the sea from a river what will be the effect? (1) It lowers (2) It sways (3) It rises a little (4) It jolts

Last Answer : (3) It rises a little Explanation: When a ship enters the sea from a river, it rises a little since salt water is denser than river water. As the density of river water is less than that of the sea ... in the river is more than that displaced in the sea. So it rises as it enters sea from river.

When a ship enters the sea from a river what will be the effect? (1) It lowers (2) It sways (3) It rises a little (4) It jolts

Description : When a ship enters the sea from a river what will be the effect? (1) It lowers (2) It sways (3) It rises a little (4) It jolts

Last Answer : It rises a little

When a ship enters the sea from a river (1) it rises a little (2) it sinks a little (3) it remains at the same level (4) it rises or sinks depending on the material it is made of

Description : When a ship enters the sea from a river (1) it rises a little (2) it sinks a little (3) it remains at the same level (4) it rises or sinks depending on the material it is made of

Last Answer : it rises a little