From the standpoint of safety, you should never allow salt water to enter a leadacid storage battery or come in contact with sulfuric acid because ______________. A. the resulting gas is extremely flammable B. the resulting gas is a respiratory irritant that can be fatal C. the primary constituent, sodium, reacts lethally with lead peroxide D. combining salt water with lead-acid creates an invisible gas resulting in severe corrosion

From the standpoint of safety, you should never allow salt water to enter a leadacid storage battery or come in contact with sulfuric acid because ______________. A. the resulting gas is extremely flammable B. the resulting gas is a respiratory irritant that can be fatal C. the primary constituent, sodium, reacts lethally with lead peroxide D. combining salt water with lead-acid creates an invisible gas resulting in severe corrosion
by

1 Answer

Answer :

Answer: B
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Related questions

The plates of a NiCad storage battery are made of ________. A. potassium hydroxide with a small amount of sulfuric acid B. lead and lead peroxide C. silver oxide and lead sulfate D. combinations of nickel powder and nickel & cadmium salts

Description : The plates of a NiCad storage battery are made of ________. A. potassium hydroxide with a small amount of sulfuric acid B. lead and lead peroxide C. silver oxide and lead sulfate D. combinations of nickel powder and nickel & cadmium salts

Last Answer : Answer: D

When charging lead-acid batteries, you should reduce the charging rate as the battery nears its full charge capacity to ______________. A. prevent excessive gassing and overheating B. allow equalization of cell voltages C. reduce lead sulfate deposits D. increase lead peroxide formation

Description : When charging lead-acid batteries, you should reduce the charging rate as the battery nears its full charge capacity to ______________. A. prevent excessive gassing and overheating B. allow equalization of cell voltages C. reduce lead sulfate deposits D. increase lead peroxide formation

Last Answer : Answer: A

Which of the problems listed will occur if a lead-acid battery is allowed to remain in a discharged condition for a long period of time? A. The battery may be unable to accept a full charge. B. The electrolyte will change to lead sulfate. C. The concentrated sulfuric acid will attack the lead peroxide plates. D. The separators will harden.

Description : Which of the problems listed will occur if a lead-acid battery is allowed to remain in a discharged condition for a long period of time? A. The battery may be unable to accept a full charge ... . C. The concentrated sulfuric acid will attack the lead peroxide plates. D. The separators will harden.

Last Answer : Answer: A

The electrolyte used in a nickel-cadmium battery is distilled water and ______________. A. diluted sulfuric acid B. potassium hydroxide C. lead sulfate D. zinc oxide

Description : The electrolyte used in a nickel-cadmium battery is distilled water and ______________. A. diluted sulfuric acid B. potassium hydroxide C. lead sulfate D. zinc oxide

Last Answer : Answer: B

When the electrolyte level of a lead-acid storage battery has decreased due to normal evaporation, the level should be reestablished by adding _____________. A. distilled water only B. sulfuric acid only C. a weak solution of sulfuric acid and distilled water D. a strong solution of sulfuric acid and distilled water

Description : When the electrolyte level of a lead-acid storage battery has decreased due to normal evaporation, the level should be reestablished by adding _____________. A. distilled water only B. sulfuric acid ... of sulfuric acid and distilled water D. a strong solution of sulfuric acid and distilled water

Last Answer : Answer: A

The electrolyte in a lead-acid storage battery consists of distilled water and _____________. A. hydrogen chloride B. calcium chloride C. sulfuric acid D. muriatic acid

Description : The electrolyte in a lead-acid storage battery consists of distilled water and _____________. A. hydrogen chloride B. calcium chloride C. sulfuric acid D. muriatic acid

Last Answer : Answer: C

A breakable, mercury-filled thermometer should not be used in a lead-acid battery to measure electrolyte temperature, as an accidental breakage can cause ____________. A. severe sparking and explosions B. rapid oxidation of battery plates C. violent gassing at the positive plates D. corrosion on the battery terminals

Description : A breakable, mercury-filled thermometer should not be used in a lead-acid battery to measure electrolyte temperature, as an accidental breakage can cause ____________. A. severe sparking and explosions ... battery plates C. violent gassing at the positive plates D. corrosion on the battery terminals

Last Answer : Answer: A

When charging lead-acid batteries, the charging rate should be reduced as the battery nears its full charge to ____________. A. prevent damaging battery plates B. allow equalization of cell voltages C. reduce lead sulfate deposits D. increase lead peroxide formation

Description : When charging lead-acid batteries, the charging rate should be reduced as the battery nears its full charge to ____________. A. prevent damaging battery plates B. allow equalization of cell voltages C. reduce lead sulfate deposits D. increase lead peroxide formation

Last Answer : Answer: A

Which of the substances listed should be applied to battery terminals to help prevent corrosion? A. Zinc chromate B. Naval jelly C. Lead peroxide D. Petroleum jelly

Description : Which of the substances listed should be applied to battery terminals to help prevent corrosion? A. Zinc chromate B. Naval jelly C. Lead peroxide D. Petroleum jelly

Last Answer : Answer: D

Mercury filled thermometers should never be used to determine the temperature of the battery electrolyte because accidental breakage of the thermometer can cause __________________. A. severe sparking and explosions B. rapid oxidation of battery plates C. contamination of the electrolyte D. corrosion on the battery terminals

Description : Mercury filled thermometers should never be used to determine the temperature of the battery electrolyte because accidental breakage of the thermometer can cause __________________. A. severe sparking and ... of battery plates C. contamination of the electrolyte D. corrosion on the battery terminals

Last Answer : Answer: A

Which of the processes listed occurs during the charging of a lead-acid storage battery? A. Negative plates change to lead peroxide. B. Positive plates change to lead peroxide. C. Both plates change to lead peroxide. D. Both plates change to lead sulfate.

Description : Which of the processes listed occurs during the charging of a lead-acid storage battery? A. Negative plates change to lead peroxide. B. Positive plates change to lead peroxide. C. Both plates change to lead peroxide. D. Both plates change to lead sulfate.

Last Answer : Answer: B

When mixing electrolyte for a lead-acid storage battery, ______________. A. stirring should always be avoided B. a lead container should always be used C. always pour the water into the acid D. always pour the acid into the water

Description : When mixing electrolyte for a lead-acid storage battery, ______________. A. stirring should always be avoided B. a lead container should always be used C. always pour the water into the acid D. always pour the acid into the water

Last Answer : Answer: D

If the illustrated device is fully discharged, what will be the result? EL-0061 A. The battery will be short circuited because the mud space will be filled with lead sulfate B. The electrolyte will be maximum sulfuric acid minimum water C. The electrolyte will be maximum water minimum sulfuric acid. D. The plates will be maximum lead oxide and sponge lead minimum lead sulfate.

Description : If the illustrated device is fully discharged, what will be the result? EL-0061 A. The battery will be short circuited because the mud space will be filled with lead sulfate B. The electrolyte ... minimum sulfuric acid. D. The plates will be maximum lead oxide and sponge lead minimum lead sulfate.

Last Answer : Answer: C

Caution must be exercised during the charging of lead-acid storage batteries as _____________. A. the acid will become weaker B. hydrogen gas is being continuously liberated C. both plates are changing chemically to lead sulfate D. lead peroxide in the negative plate is poisonous

Description : Caution must be exercised during the charging of lead-acid storage batteries as _____________. A. the acid will become weaker B. hydrogen gas is being continuously liberated C. both plates are changing chemically to lead sulfate D. lead peroxide in the negative plate is poisonous

Last Answer : Answer: B

The conductive qualities of water will allow electrical current to travel through it. But, is there a point where there is too much water for the electricity to administer a fatal or severe shock?

Description : The conductive qualities of water will allow electrical current to travel through it. But, is there a point where there is too much water for the electricity to administer a fatal or severe shock?

Last Answer : Electricity always follows the path of least resistance, so, no, the current is not “diluted.” A fatal shock can only occur if the current flows through the heart.

The illustrated lead acid battery is about to be placed in service. The negitive plate, labeled 'E', is made of_______. EL-0031 A. sponge lead (Pb) B. lead peroxide (PbO2) C. lead sulfate (PbSO4) D. zinc oxide (ZnO2)

Description : The illustrated lead acid battery is about to be placed in service. The negitive plate, labeled 'E', is made of_______. EL-0031 A. sponge lead (Pb) B. lead peroxide (PbO2) C. lead sulfate (PbSO4) D. zinc oxide (ZnO2)

Last Answer : Answer: A

The illustrated lead acid battery is about to be placed in service. The positive plate labeled 'D' is made of_______. EL-0031 A. sponge lead (Pb) B. lead peroxide (PbO2) C. lead sulfate (PbSO4) D. a depolarizing mix

Description : The illustrated lead acid battery is about to be placed in service. The positive plate labeled 'D' is made of_______. EL-0031 A. sponge lead (Pb) B. lead peroxide (PbO2) C. lead sulfate (PbSO4) D. a depolarizing mix

Last Answer : Answer: B

When correcting specific gravity readings of a lead-acid battery for existing temperature conditions, you should ______________. A. add 10 points for each 4° above 80°F B. subtract 10 points for each 4° above 80°F C. add 4 points for each 10° above 80°F D. add 4 points for each 10° below 80°F

Description : When correcting specific gravity readings of a lead-acid battery for existing temperature conditions, you should ______________. A. add 10 points for each 4° above 80°F B. subtract 10 points for each 4° above 80°F C. add 4 points for each 10° above 80°F D. add 4 points for each 10° below 80°F

Last Answer : Answer: C

A lead-acid battery is considered fully charged when the ______________. A. electrolyte gasses freely B. battery charger ammeter indicates a positive reading C. terminal voltage reaches a constant value at a given temperature D. specific gravity of all cells reaches the correct value and no longer increases over a period of 1 to 4 hours

Description : A lead-acid battery is considered fully charged when the ______________. A. electrolyte gasses freely B. battery charger ammeter indicates a positive reading C. terminal voltage reaches a constant value at a ... cells reaches the correct value and no longer increases over a period of 1 to 4 hours

Last Answer : Answer: D

A `C_(6)H_(12)O` compound does not react with `Br_(2)` in `C Cl_(4)`, produces a flammable gas on treatment with `LiAlH_(4)`, and reacts with `H_(2)Cr

Description : A `C_(6)H_(12)O` compound does not react with `Br_(2)` in `C Cl_(4)`, produces a flammable gas on treatment with `LiAlH_(4)`, and reacts with `H_(2)Cr

Last Answer : A `C_(6)H_(12)O` compound does not react with `Br_(2)` in `C Cl_(4)`, ... B. methoxycyclopentane C. 2-cyclopropyl-2-propanol D. 2-cyclobutylethanol

Other than the type of cell used, what is the major difference between the construction of the leadacid and nicad battery?

Description : Other than the type of cell used, what is the major difference between the construction of the leadacid and nicad battery?

Last Answer : The cells in the nicad battery can be replaced.

During discharge of a lead-acid storage battery, which of the following actions occurs? A. The acid becomes stronger. B. Both plates change chemically to ammonium chloride. C. The acid becomes weaker. D. Hydrogen gas is liberated.

Description : During discharge of a lead-acid storage battery, which of the following actions occurs? A. The acid becomes stronger. B. Both plates change chemically to ammonium chloride. C. The acid becomes weaker. D. Hydrogen gas is liberated.

Last Answer : Answer: C

Which of the following activities occurs during the charging process of a lead-acid storage battery? A. The specific gravity of the acid increases. B. Both plates change chemically to lead sulfate. C. The specific gravity of the acid decreases. D. Hydrogen gas is absorbed.

Description : Which of the following activities occurs during the charging process of a lead-acid storage battery? A. The specific gravity of the acid increases. B. Both plates change chemically to lead sulfate. C. The specific gravity of the acid decreases. D. Hydrogen gas is absorbed.

Last Answer : Answer: A

Local action in a dry-cell, or lead-acid storage battery is the process whereby ________________. A. hydrogen gas is liberated B. the electrolyte compensates for overcharging C. potassium hydroxide absorbs carbon dioxide from the air D. the battery becomes discharged without being connected to a load

Description : Local action in a dry-cell, or lead-acid storage battery is the process whereby ________________. A. hydrogen gas is liberated B. the electrolyte compensates for overcharging C. potassium hydroxide ... carbon dioxide from the air D. the battery becomes discharged without being connected to a load

Last Answer : Answer: D

The capacity of a storage battery is measured in ______________. A. volts B. ampere-hours C. farads D. amps

Description : The capacity of a storage battery is measured in ______________. A. volts B. ampere-hours C. farads D. amps

Last Answer : Answer: B

1. Which is the oldest Development Financial Institution of India? 2. What is a powerful eye irritant present in smog? 3. Where is respiratory centre situated? 4. Which part of the Earth’s surface receives the highest amount of insolation? 5. Which are manuals of instruction in the form of brief rules?

Description : 1. Which is the oldest Development Financial Institution of India? 2. What is a powerful eye irritant present in smog? 3. Where is respiratory centre situated? 4. Which part of the Earth's ... famous for its deposits of nitrates? 20. Which queen enjoyed political power along with her husband?

Last Answer : Answer : 1. IFCI 2. Sulphur dioxide 3. Medulla oblongata 4. Tropical deserts 5. Sutras 6. Home Minister 7. Srinivas Ramanujan 8. Economics 9. Condensation 10. Tanjore 11. Less than unity 12. ... Cholas and Rashtrakutas 16. Export-Import Banks 17. Jimmy Carter 18. Acetylene 19. Atacama 20. Nur Jahan

When lead-acid batteries are charging, they always give off hydrogen gas that is _____________. A. considered inert B. highly explosive C. extremely toxic D. heavier than air

Description : When lead-acid batteries are charging, they always give off hydrogen gas that is _____________. A. considered inert B. highly explosive C. extremely toxic D. heavier than air

Last Answer : Answer: B

2-Methyl-2-butene reacts with HBr in the presence of peroxide to give (a) A primary alkyl bromide (b) A secondary alkyl bromide (c) A tertiary alkyl bromide (d) A vicinal dibromide

Description : 2-Methyl-2-butene reacts with HBr in the presence of peroxide to give (a) A primary alkyl bromide (b) A secondary alkyl bromide (c) A tertiary alkyl bromide (d) A vicinal dibromide

Last Answer : A secondary alkyl bromide

2-Methylpropene reacts with HBr in the presence of peroxide to give (a) A primary alkyl bromide (b) A secondary alkyl bromide (c) A tertiary alkyl bromide (d) A vicinal dibromide

Description : 2-Methylpropene reacts with HBr in the presence of peroxide to give (a) A primary alkyl bromide (b) A secondary alkyl bromide (c) A tertiary alkyl bromide (d) A vicinal dibromide

Last Answer : A primary alkyl bromide

When mixing electrolyte for a lead-acid storage battery, you should pour the ___________. A. distilled water into the acid in a zinc-plated container B. distilled water into the acid in a glass container C. acid into the distilled water in a zinc-plated container D. acid into distilled water in a glass container

Description : When mixing electrolyte for a lead-acid storage battery, you should pour the ___________. A. distilled water into the acid in a zinc-plated container B. distilled water into the acid in a glass ... into the distilled water in a zinc-plated container D. acid into distilled water in a glass container

Last Answer : Answer: D

In addition to testing the calibration of a circuit breaker, maintenance should include all of the following EXCEPT ______________. A. changing out of magnetic elements and thermal heaters yearly B. checking for corrosion, accumulation of dirt and thermal fatigue C. inspecting for loose or missing parts D. making sure foreign matter does not block tripping element

Description : In addition to testing the calibration of a circuit breaker, maintenance should include all of the following EXCEPT ______________. A. changing out of magnetic elements and thermal heaters yearly B. ... for loose or missing parts D. making sure foreign matter does not block tripping element

Last Answer : Answer: A

Periodic testing by a shoreside support technician using a special camera which can detect potentially dangerous loose or corroded bus bar and controller connections is termed ______________. A. heat sensitive thermography B. visual pyrotronics C. corrosion electrolysis D. electric vibroanalysis

Description : Periodic testing by a shoreside support technician using a special camera which can detect potentially dangerous loose or corroded bus bar and controller connections is termed ______________. A. heat sensitive thermography B. visual pyrotronics C. corrosion electrolysis D. electric vibroanalysis

Last Answer : Answer: A

Acetylene reacts with water in the presence of sulfuric acid and mercuric sulfate to give (a) Acetone (b) Acetic acid (c) Formaldehyde (d) Acetaldehyde

Description : Acetylene reacts with water in the presence of sulfuric acid and mercuric sulfate to give (a) Acetone (b) Acetic acid (c) Formaldehyde (d) Acetaldehyde

Last Answer : Acetaldehyde

If violent gassing occurs when a lead-acid storage battery is first placed on charge, the _____________. A. battery must be given an emergency charge B. charging rate is too low C. charging rate is too high D. specific gravity of the electrolyte solution is too low

Description : If violent gassing occurs when a lead-acid storage battery is first placed on charge, the _____________. A. battery must be given an emergency charge B. charging rate is too low C. charging rate is too high D. specific gravity of the electrolyte solution is too low

Last Answer : Answer: C

When troubleshooting a lead-acid storage battery, a weak or dead cell is best detected by _________________. A. measuring and comparing all cells' specific gravity B. taking an open circuit voltage test of individual cells C. visually inspecting the electrolyte levels of each cell D. taking each cell's temperature with a calibrated mercury thermometer

Description : When troubleshooting a lead-acid storage battery, a weak or dead cell is best detected by _________________. A. measuring and comparing all cells' specific gravity B. taking an open circuit ... electrolyte levels of each cell D. taking each cell's temperature with a calibrated mercury thermometer

Last Answer : Answer: A

The state of charge of a lead acid storage battery is best indicated by the _____________. A. testing of the individual cell voltages B. ampere hour capacity of the battery C. specific gravity of the electrolyte D. total cell voltages

Description : The state of charge of a lead acid storage battery is best indicated by the _____________. A. testing of the individual cell voltages B. ampere hour capacity of the battery C. specific gravity of the electrolyte D. total cell voltages

Last Answer : Answer: C

Which of the listed battery charging circuits is used to maintain a wet-cell, lead-acid, storage battery in a fully charged state during long periods of disuse? A. Normal charging circuit B. Quick charging circuit C. Trickle charging circuit D. High ampere charging circuit

Description : Which of the listed battery charging circuits is used to maintain a wet-cell, lead-acid, storage battery in a fully charged state during long periods of disuse? A. Normal charging circuit B. Quick charging circuit C. Trickle charging circuit D. High ampere charging circuit

Last Answer : Answer: C

What does air bags, used for safety of car driver contain? 1.sodium bicarbonate. 2.sodium azide 3.sodium nitrate 4.sodium peroxide

Description : What does air bags, used for safety of car driver contain? 1.sodium bicarbonate. 2.sodium azide 3.sodium nitrate 4.sodium peroxide

Last Answer : 2.sodium azide

What does airbag, used for safety of car driver, contain? A. Sodium bicarbonate B. Sodium azide C. Sodium nitrite D. Sodium peroxide

Description : What does airbag, used for safety of car driver, contain? A. Sodium bicarbonate B. Sodium azide C. Sodium nitrite D. Sodium peroxide

Last Answer : B. Sodium azide

Benzaldehyde reacts with a mixture of concentrated sulfuric acid and nitric acid to give (a) p-Nitrobenzaldehyde (b) o-Nitrobenzaldehyde (c) p-Nitrobenzoic acid (d) m-Nitrobenzaldehyde

Description : Benzaldehyde reacts with a mixture of concentrated sulfuric acid and nitric acid to give (a) p-Nitrobenzaldehyde (b) o-Nitrobenzaldehyde (c) p-Nitrobenzoic acid (d) m-Nitrobenzaldehyde

Last Answer : m-Nitrobenzaldehyde

Are there deaths or non fatal incidents , resulting from the polar bear plunge/dip?

Description : Are there deaths or non fatal incidents , resulting from the polar bear plunge/dip?

Last Answer : I know when there’s a Polar Bear Plunge, the ambulance is always standing by.

Select the antibiotic which inhibits drug metabolizing isoenzyme CYP3A4 resulting in potentially fatal drug interaction with terfenadine: A. Erythromycin B. Clindamycin C. Gentamicin D. Vancomycin

Description : Select the antibiotic which inhibits drug metabolizing isoenzyme CYP3A4 resulting in potentially fatal drug interaction with terfenadine: A. Erythromycin B. Clindamycin C. Gentamicin D. Vancomycin

Last Answer : A. Erythromycin

On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because (A) Of clotting of blood(B) Of jamming of respiratory tract(C) It forms carboxyhemoglobin by combining with haemoglobin of blood,thereby making it incapable of absorbing oxygen(D) It forms CO2 by combining with oxygen present in the blood

Description : On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because (A) Of clotting of blood (B) Of jamming of respiratory tract (C) It forms carboxyhemoglobin by combining ... it incapable of absorbing oxygen (D) It forms CO2 by combining with oxygen present in the blood

Last Answer : (C) It forms carboxyhemoglobin by combining with haemoglobin of blood, thereby making it incapable of absorbing oxygen

Combining size and performance creates a product attribute known as a. MTBF. b. consumer perception. c. positioning. d. physical perception. e. a completed electric sensor.

Description : Combining size and performance creates a product attribute known as a. MTBF. b. consumer perception. c. positioning. d. physical perception. e. a completed electric sensor.

Last Answer : c. positioning.

Which of the following diseases is a rare, transmissible, progressive fatal disease of the central nervous system characterized by spongiform degeneration of the gray matter of the brain? a) Creutzfeldt-Jakob’s disease The disease causes severe dementia and myoclonus.

Description : Which of the following diseases is a rare, transmissible, progressive fatal disease of the central nervous system characterized by spongiform degeneration of the gray matter of the brain? a) ... disease of the nervous system that results in progressive involuntary dance-like movement and dementia.

Last Answer : a) Creutzfeldt-Jakob’s disease The disease causes severe dementia and myoclonus.

The most inefficient method of voltage reduction, from the standpoint of power loss, even when placed in series with the load, is the use of a/an ____________. A. capacitor B. inductor C. resistor D. transistor

Description : The most inefficient method of voltage reduction, from the standpoint of power loss, even when placed in series with the load, is the use of a/an ____________. A. capacitor B. inductor C. resistor D. transistor

Last Answer : Answer: C

Extremely large or small volumes of fluids are generally best routed through the shell side of a shell and tube heat exchanger, because of the (A) Less corrosion problems (B) Flexibility possible in the baffle arrangement (C) Low pressure drop (D) High heat transfer co-efficient

Description : Extremely large or small volumes of fluids are generally best routed through the shell side of a shell and tube heat exchanger, because of the (A) Less corrosion problems (B) Flexibility possible in the baffle arrangement (C) Low pressure drop (D) High heat transfer co-efficient

Last Answer : (B) Flexibility possible in the baffle arrangement

Can I store flammable liquids in a storage unit?

Description : Can I store flammable liquids in a storage unit?

Last Answer : Storing flammable liquids require safety and precaution. If you plan on storing flammable liquids in a storage unit, it is highly recommended to label the storage units accordingly This will avoid any accidents.