Hydrometer is used to determine (A) Specific gravity of liquids (B) Specific gravity of solids (C) Specific gravity of gases (D) Relative humidity

Hydrometer is used to determine
(A) Specific gravity of liquids
(B) Specific gravity of solids
(C) Specific gravity of gases
(D) Relative humidity
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1 Answer

Answer :

Answer: Option A
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Hydrometer measures the specific gravity of liquids based on the principles of buoyancy. Pycnometer is used to measure the specific gravity of (A) Powder & granular solids (B) Liquids (C) Low melting point semi-solids (D) All 'a', 'b' & 'c

Description : Hydrometer measures the specific gravity of liquids based on the principles of buoyancy. Pycnometer is used to measure the specific gravity of (A) Powder & granular solids (B) Liquids (C) Low melting point semi-solids (D) All 'a', 'b' & 'c

Last Answer : (D) All 'a', 'b' & 'c

To determine the state of charge of a nickel-cadmium battery, you should ___________. A. check the electrolyte with a hydrometer B. use the constant specific gravity method C. use a nonbreakable mercury thermometer D. connect a voltmeter to the battery terminals

Description : To determine the state of charge of a nickel-cadmium battery, you should ___________. A. check the electrolyte with a hydrometer B. use the constant specific gravity method C. use a nonbreakable mercury thermometer D. connect a voltmeter to the battery terminals

Last Answer : Answer: D

For determine the specific gravity of soil solids, using a pycnometer of 500 cc., the following data is available : Weight of dry empty pycnometer = 125 g Weight of dried soil and pycnometer = 500 g Weight of dried soil and distilled = 850 g water filled in pycnometer up to top The specific gravity of soil solids, is (A) 2.0 (B) 2.25 (C) 2.50 (D) 2.75

Description : For determine the specific gravity of soil solids, using a pycnometer of 500 cc., the following data is available : Weight of dry empty pycnometer = 125 g Weight of dried soil and pycnometer = 500 g Weight of dried soil and distilled ... of soil solids, is (A) 2.0 (B) 2.25 (C) 2.50 (D) 2.75

Last Answer : (C) 2.50

Hygrometer is used for measuring the ------? A. Speed of sound B. Density of milk C. Humidity of air (Answer) D. Specific gravity of liquids E. None of these

Description : Hygrometer is used for measuring the ------? A. Speed of sound B. Density of milk C. Humidity of air (Answer) D. Specific gravity of liquids E. None of these

Last Answer : C. Humidity of air (Answer)

Coulomb friction is the friction between (A) Bodies having relative motion (B) Two dry surfaces (C) Two lubricated surfaces (D) Solids and liquids

Description : Coulomb friction is the friction between  (A) Bodies having relative motion  (B) Two dry surfaces  (C) Two lubricated surfaces  (D) Solids and liquids 

Last Answer : (A) Bodies having relative motion 

The instrument that measures and records the relative humidity of air is – (1) Hydrometer (2) Hygrometer (3) Lactometer (4) Barometer

Description : The instrument that measures and records the relative humidity of air is – (1) Hydrometer (2) Hygrometer (3) Lactometer (4) Barometer

Last Answer : (2) Hygrometer Explanation: A hygrometer is an instrument used for measuring the moisture content in the environment. Humidity measurement instruments usually rely on measurements of some other ... By calibration and calculation, these measured quantities can lead to a measurement of humidity.

The instrument that measures and records the relative humidity of air is (1) Hydrometer (2) Hygrometer (3) Lactometer (4) Barometer

Description : The instrument that measures and records the relative humidity of air is (1) Hydrometer (2) Hygrometer (3) Lactometer (4) Barometer

Last Answer : Hygrometer

Coulomb friction is a.Friction between solids and liquids b.Friction between electrically charged bodies c.Friction between lubricated surface d.Friction between dry surfaces e.Friction between bodies having relative motion

Description : Coulomb friction is a.Friction between solids and liquids b.Friction between electrically charged bodies c.Friction between lubricated surface d.Friction between dry surfaces e.Friction between bodies having relative motion

Last Answer : d. Friction between dry surfaces

What can liquids and gases do that solids can not?

Description : What can liquids and gases do that solids can not?

Last Answer : Need answer

What is a solution A. a solid dissolved in a gas B. a solute and a solvent C. a liquid dissolved in a gas D. an amalgam of solids, liquids, and gases?

Description : What is a solution A. a solid dissolved in a gas B. a solute and a solvent C. a liquid dissolved in a gas D. an amalgam of solids, liquids, and gases?

Last Answer : B. A solute and a solvent

Which of the following is generally considered as opaque surface towards radiations? (A) Gases (B) Solids (C) Liquids (D) Both (B) and (C)

Description : Which of the following is generally considered as opaque surface towards radiations? (A) Gases (B) Solids (C) Liquids (D) Both (B) and (C)

Last Answer : (D) Both (B) and (C)

Which statement is false? (a) Many alkanes are soluble in water. (b) All alkanes have a lower density than water. (c) At room temperature some alkanes are liquids, some solids, some gases. (d) All alkanes burn

Description : Which statement is false? (a) Many alkanes are soluble in water. (b) All alkanes have a lower density than water. (c) At room temperature some alkanes are liquids, some solids, some gases. (d) All alkanes burn

Last Answer : Many alkanes are soluble in water

Why do gases expand faster than liquids and solids?

Description : Why do gases expand faster than liquids and solids?

Last Answer : Because the particles of gases are widely disturbed i.e. their particles are far apart from each other and they free to move. Other

Kopp's rule is used to calculate the heat capacity of (A) Solids (B) Liquids (C) Gases (D) All (A), (B) & (C)

Description : Kopp's rule is used to calculate the heat capacity of (A) Solids (B) Liquids (C) Gases (D) All (A), (B) & (C)

Last Answer : (A) Solids

Which of the following have the highest thermal conductivities?  a. liquids  b. gases  c. metals  d. solids other than metals

Description : Which of the following have the highest thermal conductivities?  a. liquids  b. gases  c. metals  d. solids other than metals

Last Answer : metals

The hygrometer is an instrument to measure (a) the relative density of liquids (b) the purity of milk (c) relative humidity (d) atmospheric pressure

Description : The hygrometer is an instrument to measure (a) the relative density of liquids (b) the purity of milk (c) relative humidity (d) atmospheric pressure

Last Answer : Ans:(c)

How can we measure specific gravity of milk? (1) Using a viscometer (2) Using an odometer (3) Using a hygrometer (4) Using a hydrometer

Description : How can we measure specific gravity of milk? (1) Using a viscometer (2) Using an odometer (3) Using a hygrometer (4) Using a hydrometer

Last Answer : (4) Using a hydrometer Explanation: A hydrometer is an instrument that measures the specific gravity of liquids the ratio of the density of the liquid to the density of water.

Which of the following represents the corrected specific gravity of a lead acid battery, with a temperature of 90°F, and a hydrometer reading of 1160? A. 1150 B. 1156 C. 1160 D. 1164

Description : Which of the following represents the corrected specific gravity of a lead acid battery, with a temperature of 90°F, and a hydrometer reading of 1160? A. 1150 B. 1156 C. 1160 D. 1164

Last Answer : Answer: D

A hydrometer is used to measure the ____________. A. specific gravity of a battery electrolyte B. water pressure in a deck pipeline C. amount of potable water a vessel is taking on D. power developed by a salt water service pump

Description : A hydrometer is used to measure the ____________. A. specific gravity of a battery electrolyte B. water pressure in a deck pipeline C. amount of potable water a vessel is taking on D. power developed by a salt water service pump

Last Answer : Answer: A

When you check the specific gravity of the battery electrolyte with a hydrometer, it should be kept in mind that ____________. A. the battery is fully charged when the indicator floats low in the electrolyte B. any water that has been previously added to the cells will dilute the solution and give a false reading C. a hydrometer reading is inaccurate if taken immediately after water is added to the cell D. temperature has no effect on hydrometer readings

Description : When you check the specific gravity of the battery electrolyte with a hydrometer, it should be kept in mind that ____________. A. the battery is fully charged when the indicator floats low in ... taken immediately after water is added to the cell D. temperature has no effect on hydrometer readings

Last Answer : Answer: C

The specific gravity of the electrolyte in a lead-acid battery is measured by a _____________. A. gould plate B. titration pipette C. hydrometer D. litmus paper test

Description : The specific gravity of the electrolyte in a lead-acid battery is measured by a _____________. A. gould plate B. titration pipette C. hydrometer D. litmus paper test

Last Answer : Answer: C

When checking the specific gravity of the battery electrolyte with a hydrometer, you should be aware that ________________. A. the battery is fully charged when the float sinks deepest into the electrolyte B. the battery is discharged when the float is highest in the electrolyte C. a hydrometer reading is accurate if taken immediately after water is added to the cell D. warm temperatures will lower the specific gravity of the electrolyte

Description : When checking the specific gravity of the battery electrolyte with a hydrometer, you should be aware that ________________. A. the battery is fully charged when the float sinks deepest into the ... is added to the cell D. warm temperatures will lower the specific gravity of the electrolyte

Last Answer : Answer: D

Which of the following statements concerning the specific gravity of a battery electrolyte is true? A. The electrolyte becomes less dense when it is cooled. B. The specific gravity reading is lowered when the electrolyte is heated. C. The most accurate hydrometer reading is obtained immediately after water is added. D. The temperature does not affect the specific gravity of the electrolyte.

Description : Which of the following statements concerning the specific gravity of a battery electrolyte is true? A. The electrolyte becomes less dense when it is cooled. B. The specific gravity reading is lowered ... water is added. D. The temperature does not affect the specific gravity of the electrolyte.

Last Answer : Answer: B

A hydrometer indicates specific gravity by comparing the _____________. A. density of a substance in water with the density of the same substance in air B. differences in weight between water and the liquid measured C. mass of substance measured with the density of the same substance D. buoyancy of an object in water with the buoyancy of the same object in the liquid being measured

Description : A hydrometer indicates specific gravity by comparing the _____________. A. density of a substance in water with the density of the same substance in air B. differences in weight between water and the ... of an object in water with the buoyancy of the same object in the liquid being measured

Last Answer : Answer: D

Lactometer is a type of Hydrometer which is used to measure the specific gravity of -----? A. Honey B. Water C. Milk (Answer)

Description : Lactometer is a type of Hydrometer which is used to measure the specific gravity of -----? A. Honey B. Water C. Milk (Answer)

Last Answer : C. Milk (Answer)

According to the Indian Standards the specific gravity is the ratio of the unit weight of soil solids to that of water at a temperature of (A) 17°C (B) 23°C (C) 27°C (D) 30°C

Description : According to the Indian Standards the specific gravity is the ratio of the unit weight of soil solids to that of water at a temperature of (A) 17°C (B) 23°C (C) 27°C (D) 30°C

Last Answer : (C) 27°C

If dry density, water density and specific gravity of solids of a given soil sample are 1.6 g/cc, 1.84 g/cc and 2.56 respectively, the porosity of the soil sample, is (A) 0.375 (B) 0.370 (C) 0.380 (D) 0.390

Description : If dry density, water density and specific gravity of solids of a given soil sample are 1.6 g/cc, 1.84 g/cc and 2.56 respectively, the porosity of the soil sample, is (A) 0.375 (B) 0.370 (C) 0.380 (D) 0.390

Last Answer : (A) 0.375

The ratio of the weight of given volume of soil solids to the weight of an equal volume of distilled water at the given temperature, is known (A) Porosity (B) Specific gravity (C) Void ratio (D) Water content

Description : The ratio of the weight of given volume of soil solids to the weight of an equal volume of distilled water at the given temperature, is known (A) Porosity (B) Specific gravity (C) Void ratio (D) Water content

Last Answer : (B) Specific gravity

The ratio of the volume of voids to the volume of soil solids in a given soil mass, is known (A) Porosity (B) Specific gravity (C) Void ratio (D) Water content

Description : The ratio of the volume of voids to the volume of soil solids in a given soil mass, is known (A) Porosity (B) Specific gravity (C) Void ratio (D) Water content

Last Answer : (C) Void ratio

A soil mass coated with a thin layer of paraffin weighs 460 g. When immersed, it displaces 299 cc of water. The weight of paraffin is 10 g. If specific gravity of solids is 2.5 and that of paraffin 0.9, the void ratio of soil, is (A) 0.55 (B) 0.60 (C) 0.65 (D) 0.70

Description : A soil mass coated with a thin layer of paraffin weighs 460 g. When immersed, it displaces 299 cc of water. The weight of paraffin is 10 g. If specific gravity of solids is 2.5 and that of paraffin 0.9, the void ratio of soil, is (A) 0.55 (B) 0.60 (C) 0.65 (D) 0.70

Last Answer : Answer: Option B

A soil sample of mass specific gravity 1.92 has moisture content 30%. If the specific gravity of solids is 2.75, the void ratio, is (A) 0.858 (B) 0.860 (C) 0.862 (D) 0.864

Description : A soil sample of mass specific gravity 1.92 has moisture content 30%. If the specific gravity of solids is 2.75, the void ratio, is (A) 0.858 (B) 0.860 (C) 0.862 (D) 0.864

Last Answer : Option C

A soil sample of mass specific gravity 1.92 has moisture content 30%. If the specific gravity of solids is 2.75, the degree of saturation, is (A) 95.4 % (B) 95.5 % (C) 95.6 % (D) 95.7 %

Description : A soil sample of mass specific gravity 1.92 has moisture content 30%. If the specific gravity of solids is 2.75, the degree of saturation, is (A) 95.4 % (B) 95.5 % (C) 95.6 % (D) 95.7 %

Last Answer : Option D

The ratio of the weight of water to the weight of solids in a given mass of soil, is known (A) Porosity (B) Specific gravity (C) Void ratio (D) Water content

Description : The ratio of the weight of water to the weight of solids in a given mass of soil, is known (A) Porosity (B) Specific gravity (C) Void ratio (D) Water content

Last Answer : Answer: Option D

Solids and liquids have  (a) one value of specific heat (ft) two values of specific heat  (c) three values of specific heat  (d) no value of specific heat  (e) one value under some conditions and two values under other conditions.

Description : Solids and liquids have  (a) one value of specific heat (ft) two values of specific heat  (c) three values of specific heat  (d) no value of specific heat  (e) one value under some conditions and two values under other conditions.

Last Answer : Answer : a

Fugacity is a measure of the (A) Escaping tendencies of the same substance in different phases of a system (B) Relative volatility of a mixture of two miscible liquids (C) Behaviour of ideal gases (D) None of these

Description : Fugacity is a measure of the (A) Escaping tendencies of the same substance in different phases of a system (B) Relative volatility of a mixture of two miscible liquids (C) Behaviour of ideal gases (D) None of these

Last Answer : (A) Escaping tendencies of the same substance in different phases of a system

In primary sedimentation, the 0.2 mm inorganic solids get separated if specific gravity is A. 2.25 B. 2.50 C. 2.55 D. 2.65

Description : In primary sedimentation, the 0.2 mm inorganic solids get separated if specific gravity is A. 2.25 B. 2.50 C. 2.55 D. 2.65

Last Answer : ANS: D

Addition of water in milk will: C A. Increase the special gravity B. Increase the total solids C. Decrease the specific gravity D. Not change the specific gravity

Description : Addition of water in milk will: C A. Increase the special gravity B. Increase the total solids C. Decrease the specific gravity D. Not change the specific gravity

Last Answer : Decrease the specific gravity

Addition of water in milk will: C A. Increase the special gravity B. Increase the total solids C. Decrease the specific gravity D. Not change the specific gravity

Description : Addition of water in milk will: C A. Increase the special gravity B. Increase the total solids C. Decrease the specific gravity D. Not change the specific gravity

Last Answer : Decrease the specific gravity

Addition of water in milk will: C A. Increase the special gravity B. Increase the total solids C. Decrease the specific gravity D. Not change the specific gravity

Description : Addition of water in milk will: C A. Increase the special gravity B. Increase the total solids C. Decrease the specific gravity D. Not change the specific gravity

Last Answer : Decrease the specific gravity

Which of the following pairing is incorrect? (1) Hygrometer Water vapour content of the atmosphere (2) Lactometer Specific gravity of liquids (3) Anemometer Speed of the wind (4) Seismograph Earthquakes

Description : Which of the following pairing is incorrect? (1) Hygrometer Water vapour content of the atmosphere (2) Lactometer Specific gravity of liquids (3) Anemometer Speed of the wind (4) Seismograph Earthquakes

Last Answer : Lactometer Specific gravity of liquids

The ratio of partial pressure of water vapour in a mixture to the saturation pressure of water at the same temperature of the mixture is called as A. humidity B. partial humidity C. specific humidity D. relative humidity

Description : The ratio of partial pressure of water vapour in a mixture to the saturation pressure of water at the same temperature of the mixture is called as A. humidity B. partial humidity C. specific humidity D. relative humidity

Last Answer : ANSWER : D

What is the degree of saturation? A. the ratio of the actual relative humidity to the saturated specific humidity at the same temperature B. the ratio of the actual specific humidity to the saturated specific humidity at the same temperature C. the ratio of the saturated specific humidity to the actual specific humidity at the same temperature D. none of the above

Description : What is the degree of saturation? A. the ratio of the actual relative humidity to the saturated specific humidity at the same temperature B. the ratio of the actual specific humidity to the ... specific humidity to the actual specific humidity at the same temperature D. none of the above

Last Answer : ANSWER : B

The term "relative humidity" applies to a) the percentage of moisture in the air as compared to the amount of moisture the air can hold at a specific temperature b) the weight of the moisture in the air c) the dryness fraction of the air d) the amount of moisture in the air e) the amount of humidity in the air

Description : The term "relative humidity" applies to a) the percentage of moisture in the air as compared to the amount of moisture the air can hold at a specific temperature b) the weight of the moisture in the air c) ... of the air d) the amount of moisture in the air e) the amount of humidity in the air

Last Answer : ANSWER : A

The moisture content lines in psychrometric chart are also called as A. relative humidity lines B. specific humidity lines C. both a. and b. D. none of the above

Description : The moisture content lines in psychrometric chart are also called as A. relative humidity lines B. specific humidity lines C. both a. and b. D. none of the above

Last Answer : ANSWER : B

The humidity of air measured in percentage is called – (1) absolute humidity (2) specific humidity (3) relative humidity (4) all of these

Description : The humidity of air measured in percentage is called – (1) absolute humidity (2) specific humidity (3) relative humidity (4) all of these

Last Answer : (3) relative humidity Explanation: The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.

The mass of water vapour per unit volume of air is known as - (1) relative humidity (2) specific humidity (3) absolute humidity (4) variable humidity

Description : The mass of water vapour per unit volume of air is known as - (1) relative humidity (2) specific humidity (3) absolute humidity (4) variable humidity

Last Answer : (3) absolute humidity Explanation: Absolute humidity is the measure of water vapor (moisture) in the air, regardless of temperature. It is expressed as grams of moisture per cubic meter of air (g/m3).

Amount of water vapour (gaseous) in a given volume of air (cubic metre) is known as: (1) Mixing ratio (2) Relative humidity (3) Absolute humidity (4) Specific humidity

Description : Amount of water vapour (gaseous) in a given volume of air (cubic metre) is known as: (1) Mixing ratio (2) Relative humidity (3) Absolute humidity (4) Specific humidity

Last Answer : (3) Absolute humidity Explanation: The relative humidity of air at a given temperature is the ratio of mass of water vapour actually present in a certain volume of air to the mass of water vapour required to saturate the same volume of air at the same temperature, multiplied by 100.

Amount of water vapour in a unit volume (Cubic metre) of air is called: (1) Mixed ratio (2) relative humidity (3) absolute humidity (4) specific humidity

Description : Amount of water vapour in a unit volume (Cubic metre) of air is called: (1) Mixed ratio (2) relative humidity (3) absolute humidity (4) specific humidity

Last Answer : (3) absolute humidity Explanation: Absolute humidity is the measure of water vapor (moisture) in the air, regardless of temperature. It is expressed as grams of moisture per cubic meter of air (g/m3).

The humidity of air measured in percentage is called – (1) absolute humidity (2) specific humidity (3) relative humidity (4) all of these

Description : The humidity of air measured in percentage is called – (1) absolute humidity (2) specific humidity (3) relative humidity (4) all of these

Last Answer : (3) relative humidity Explanation: The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.

Air initially at 101. 3 kPa and 40°C and with a relative humidity of 50%, is cooled at constant pressure to 30°C. The cooled air has a (A) Higher dew point (B) Higher absolute (specific) humidity (C) Higher relative humidity (D) Higher wet bulb temperature

Description : Air initially at 101. 3 kPa and 40°C and with a relative humidity of 50%, is cooled at constant pressure to 30°C. The cooled air has a (A) Higher dew point (B) Higher absolute (specific) humidity (C) Higher relative humidity (D) Higher wet bulb temperature

Last Answer : (C) Higher relative humidity