What is an advantage of fuel cells over lead storage batteries?

What is an advantage of fuel cells over lead storage batteries?
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Electrical energy is continuously obtained.
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At high discharge rates, nickel-cadmium storage batteries are superior to lead-acid batteries because they __________. A. require fewer cells for the same voltage and less mounting space B. are able to produce higher voltages and do not have to be charged as often C. can be charged and discharged many times without much damage D. have no individual cells to replace at the end of useful life

Description : At high discharge rates, nickel-cadmium storage batteries are superior to lead-acid batteries because they __________. A. require fewer cells for the same voltage and less mounting space B. are able to ... times without much damage D. have no individual cells to replace at the end of useful life

Last Answer : Answer: C

Nickel-cadmium storage batteries are superior to lead-acid batteries because they __________. A. put out higher voltages and require no maintenance B. can remain idle and keep a full charge for a long time C. need fewer cells in series and use less mounting space D. all of the above

Description : Nickel-cadmium storage batteries are superior to lead-acid batteries because they __________. A. put out higher voltages and require no maintenance B. can remain idle and keep a full charge for a long time C. need fewer cells in series and use less mounting space D. all of the above

Last Answer : Answer: B

Lead Storage batteries commonly contain ____. A. Copper B. Lead C. Iron D. Mercury

Description : Lead Storage batteries commonly contain ____. A. Copper B. Lead C. Iron D. Mercury

Last Answer : ANSWER: B

Storage batteries commonly contain ____. A. Copper B. Lead C. Iron D. Mercury

Description : Storage batteries commonly contain ____. A. Copper B. Lead C. Iron D. Mercury

Last Answer : ANSWER: B

What is used in storage batteries? (1) Copper (2) Tin (3) Lead (4) Zinc

Description : What is used in storage batteries? (1) Copper (2) Tin (3) Lead (4) Zinc

Last Answer : (3) Lead Explanation: The electrodes of the cells in a storage battery consist of lead grids. The openings of the anodic grid is filled with spongy (porous) lead. The openings of the cathodic grid ... ' storage batteries, can store a lot of charge and provide high current for short periods of time.

The metal used in storage batteries- (1) Iron (2) Copper (3) Lead (4) Zinc

Description : The metal used in storage batteries- (1) Iron (2) Copper (3) Lead (4) Zinc

Last Answer : (3) Lead Explanation: Commercially available batteries use a variety of metals and electrolytes. Anodes can be made of zinc, aluminum, lithium, cadmium, iron, metallic lead, lanthanide, or graphite

Which of the following statements describes the effects of ambient temperature on local action within lead-acid storage batteries? A. Increasing ambient temperature increases local action. B. Increasing ambient temperature decreases local action. C. Ambient temperature has no effect on local action. D. At 90°F all local action virtually ceases.

Description : Which of the following statements describes the effects of ambient temperature on local action within lead-acid storage batteries? A. Increasing ambient temperature increases local action. B. Increasing ambient ... has no effect on local action. D. At 90°F all local action virtually ceases.

Last Answer : Answer: A

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 charging of lead-acid storage batteries will always result in __________. A. dangerous acid burns B. a dangerously explosive gas being liberated C. the danger of lead poisoning D. all of the above

Description : The charging of lead-acid storage batteries will always result in __________. A. dangerous acid burns B. a dangerously explosive gas being liberated C. the danger of lead poisoning D. all of the above

Last Answer : Answer: B

Maximum consumption of lead is in the manufacture of (A) Storage batteries (B) Solder alloys

Description : Maximum consumption of lead is in the manufacture of (A) Storage batteries (B) Solder alloys

Last Answer : (A) Storage batteries

What is used in storage batteries? (1) Copper (2) Tin (3) Lead (4) Zinc

Description : What is used in storage batteries? (1) Copper (2) Tin (3) Lead (4) Zinc

Last Answer : Lead

The main power sources for a satellite are A. batteries B. solar cells C. fuel cells D. thermoelectric generators 58. The maximum height of an ellip

Description : The main power sources for a satellite are A. batteries B. solar cells C. fuel cells D. thermoelectric generators 58. The maximum height of an ellip

Last Answer : B. solar cells

Common nickel-cadmium and nickel-iron storage batteries utilize _______________. A. acid primary cells B. alkaline primary cells C. acid secondary cells D. alkaline secondary cells

Description : Common nickel-cadmium and nickel-iron storage batteries utilize _______________. A. acid primary cells B. alkaline primary cells C. acid secondary cells D. alkaline secondary cells

Last Answer : Answer: D

Nickel-cadmium batteries are superior to lead-acid batteries at high discharge rates because they _______________. A. deliver a large amount of power and can be recharged in a shorter time B. need fewer cells in connected series and less mounting space C. have higher output voltages and require no maintenance D. all of the above

Description : Nickel-cadmium batteries are superior to lead-acid batteries at high discharge rates because they _______________. A. deliver a large amount of power and can be recharged in a shorter time B. need ... less mounting space C. have higher output voltages and require no maintenance D. all of the above

Last Answer : Answer: A

The acid used in lead storage cells is – (1) phosphoric acid (2) hydrochloric acid (3) nitric acid (4) sulphuric acid

Description : The acid used in lead storage cells is – (1) phosphoric acid (2) hydrochloric acid (3) nitric acid (4) sulphuric acid

Last Answer : (4) sulphuric acid Explanation: Lead-acid batteries, invented in 1859 by French physicist Gaston Plante, are the oldest type of rechargeable battery. Despite having a very low energy-to-weight ... attractive for use in motor vehicles to provide the high current required by automobile starter motors.

The acid used in lead storage cells is – (1) phosphoric acid (2) hydrochloric acid (3) nitric acid (4) sulphuric acid

Description : The acid used in lead storage cells is – (1) phosphoric acid (2) hydrochloric acid (3) nitric acid (4) sulphuric acid

Last Answer : (4) sulphuric acid Explanation: Dilute sulfuric acid (H2SO4) serves as the electrolyte in a lead storage battery. The electrodes of the cells in a lead storage battery consist of lead grids. The openings ... spongy (porous) lead. The opehings of the cathodic grid is filled with lead dioxide (PBO2).

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 acid used in lead storage cells is (1) phosphoric acid (2) hydrochloric acid (3) nitric acid (4) sulphuric acid

Description : The acid used in lead storage cells is (1) phosphoric acid (2) hydrochloric acid (3) nitric acid (4) sulphuric acid

Last Answer : sulphuric acid

What is the advantage of using a battery test set versus a voltmeter to test batteries?

Description : What is the advantage of using a battery test set versus a voltmeter to test batteries?

Last Answer : A battery test set will test batteries under load conditions.

The main advantage of forced draft over natural draft is that (A) Combustion of fuel is complete (B) Smaller height chimney can be used (C) Furnace control is easier (D) All (A), (B) & (C)

Description : The main advantage of forced draft over natural draft is that (A) Combustion of fuel is complete (B) Smaller height chimney can be used (C) Furnace control is easier (D) All (A), (B) & (C)

Last Answer : (D) All (A), (B) & (C)

What are the advantages and disadvantages of LED storage cell and lithium ion batteries ?

Description : What are the advantages and disadvantages of LED storage cell and lithium ion batteries ?

Last Answer : Although both cells are rechargeable, lithium ion batteries have higher recharge efficiency. Due to this its use as an alternative to commercial led storage cell is increasing. Light Li / C anode and ... LiOH and H2, gases that are dangerous. LIB costs more than Ni-Cd rechargeable batteries .

When used for taking resistance measurements, a volt-ohm-milliammeter is normally powered by _____________. A. a hand cranked generator B. internal storage batteries C. the current in the circuit being tested D. a step down transformer

Description : When used for taking resistance measurements, a volt-ohm-milliammeter is normally powered by _____________. A. a hand cranked generator B. internal storage batteries C. the current in the circuit being tested D. a step down transformer

Last Answer : Answer: B

Under normal conditions, storage batteries used for starting the emergency diesel generator are maintained in a charged state by which of the following methods? A. Trickle charging B. Fast charging C. Equalizing charge D. Reverse charging

Description : Under normal conditions, storage batteries used for starting the emergency diesel generator are maintained in a charged state by which of the following methods? A. Trickle charging B. Fast charging C. Equalizing charge D. Reverse charging

Last Answer : Answer: A

During the charging process of storage batteries, the charging rooms should be well ventilated because __________. A. without ventilation excessive gassing will occur B. highly poisonous gases are released C. highly explosive gases will otherwise accumulate D. without ventilation the battery will not take a full charge

Description : During the charging process of storage batteries, the charging rooms should be well ventilated because __________. A. without ventilation excessive gassing will occur B. highly poisonous gases are ... gases will otherwise accumulate D. without ventilation the battery will not take a full charge

Last Answer : Answer: C

Which is used in storage batteries?

Description : Which is used in storage batteries?

Last Answer : Lead

Element usedin storage '\.~) batteries ~?

Description : Element usedin storage '\.~) batteries ~?

Last Answer : Lead

Explain advantages of storage batteries

Description : Explain advantages of storage batteries

Last Answer : Few advantages of storage batteries are mentioned below: Most efficient form of storing energy portably. Stored energy is available immediately because there is no lag of time for delivering the stored energy ... source for supply of energy. The energy can be drawn at a fairly constant rate.

Explain the application of storage batteries.

Description : Explain the application of storage batteries.

Last Answer : Storage batteries are used for various purposes, some of the applications are mentioned below: For the operation of protective devices and for emergency lighting at generating stations and ... For emergency lighting at hospitals, banks, rural areas where electricity supplies are not possible.

State applications of storage batteries.

Description : State applications of storage batteries.

Last Answer : Applications of storage batteries: 1) Broadcasting stations. 2) Transmission and distribution substations. 3) Telephone and telegraphic services. 4) Emergency lighting for hospitals, shops, banks etc. ... lights 7) Railway signaling system 8) UPS systems 9) Marine and submarine applications 

The storage batteries are rated in

Last Answer : The storage batteries are rated in Amp-hrs

Do lead acid batteries require maintenance?

Description : Do lead acid batteries require maintenance?

Last Answer : Answers is the place to go to get the answers you need and to ask the questions you want

Do lead acid batteries require maintenance?

Description : Do lead acid batteries require maintenance?

Last Answer : Answers is the place to go to get the answers you need and to ask the questions you want

Whic of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc.? (1) Iron and cadmium (2) Nickel and cadmium (3) Lead peroxide and lead (4) Zinc and carbon

Description : Whic of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc.? (1) Iron and cadmium (2) Nickel and cadmium (3) Lead peroxide and lead (4) Zinc and carbon

Last Answer : (2) Nickel and cadmium Explanation: A rechargeable battery, storage battery, or accumulator is a type of electrical battery. It comprises one or more electrochemical cells, and is a ... sizes, ranging from button cells to megawatt systems connected to stabilize an electrical distribution network.

According to Coast Guard Regulations (46 CFR), which of the following is an acceptable lining for battery trays containing alkaline batteries? A. Brass B. Lead C. Steel D. Zinc

Description : According to Coast Guard Regulations (46 CFR), which of the following is an acceptable lining for battery trays containing alkaline batteries? A. Brass B. Lead C. Steel D. Zinc

Last Answer : Answer: C

Three 12 volt, lead-acid, batteries connected in series will develop __________. A. 12 volts B. 24 volts C. 36 volts D. 48 volts

Description : Three 12 volt, lead-acid, batteries connected in series will develop __________. A. 12 volts B. 24 volts C. 36 volts D. 48 volts

Last Answer : Answer: C

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

Prior to using an analog type ohmmeter, the leads are purposely shorted together. Which of the following actions should be taken if, when adjusting to 'zero' ohms, the indicating needle can not be returned to 'zero' on the scale? A. The lead clips should be replaced. B. The batteries should be replaced. C. The test reading should be added to each final reading. D. The test reading should be subtracted from each final reading.

Description : Prior to using an analog type ohmmeter, the leads are purposely shorted together. Which of the following actions should be taken if, when adjusting to 'zero' ohms, the indicating needle can not be ... be added to each final reading. D. The test reading should be subtracted from each final reading.

Last Answer : Answer: B

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

Routine maintenance of lead acid batteries should include _____________. A. keeping the terminals clean B. coating cable connections with petroleum jelly C. maintaining a trickle charge D. all of the above

Description : Routine maintenance of lead acid batteries should include _____________. A. keeping the terminals clean B. coating cable connections with petroleum jelly C. maintaining a trickle charge D. all of the above

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

Valve Regulated Lead Acid (VRLA) Batteries Advantages

Description : Valve Regulated Lead Acid (VRLA) Batteries Advantages

Last Answer : Valve Regulated Lead Acid (VRLA) Batteries are popularly termed as maintenance free lead acid batteries. Each cell in VRLA battery will have a value (automating operating) to allow the gas ... same voltage of the cells, to continue in using existing charging equipment VRLA batteries are economical

Which is the modified form of batteries in today’s electronic cars? A. Lithium ion B. Nickel iron C. Lead Acid D. Sodium Nitrate

Description : Which is the modified form of batteries in today’s electronic cars? A. Lithium ion B. Nickel iron C. Lead Acid D. Sodium Nitrate

Last Answer : A. Lithium ion

Compare between lead acid and nickel-cadmium batteries?

Description : Compare between lead acid and nickel-cadmium batteries?

Last Answer : Lead acid : Dilute H2SO4, spongy and PbSO2, low efficiency, 2 volt per cell, less strong, requires more maintenance, less efficient wrt temperature, discharges fast, low cost, problem of sulfation.

Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? (1) Iron and cadmium (2) Nickel and cadmium (3) Lead peroxide and lead (4) Zinc and carbon

Description : Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? (1) Iron and cadmium (2) Nickel and cadmium (3) Lead peroxide and lead (4) Zinc and carbon

Last Answer : Nickel and cadmium

Steps to carry out the maintenance of lead acid batteries

Description : Steps to carry out the maintenance of lead acid batteries

Last Answer : Steps to carry out the maintenance of lead acid batteries: 1) Keep the container surface dry by using dry cloths. 2) Tighten the terminal connections. 3) Battery should not be discharged ... 9) During initial charging use fresh electrolyte. 10) Avoid overcharging and short circuit of plates.

An advantage of bleomycin over most antineoplastic drugs is its (a) Rapid onset of action (b) Lack of toxicity to all normal cells (c) Relative lack of bone marrow toxicity (d) Very broad spectrum of activity (e) Both (a) and (b)

Description : An advantage of bleomycin over most antineoplastic drugs is its (a) Rapid onset of action (b) Lack of toxicity to all normal cells (c) Relative lack of bone marrow toxicity (d) Very broad spectrum of activity (e) Both (a) and (b)

Last Answer : Ans: C

The advantage of firing pulverised coal in the furnace lies in the fact, that it (A) Permits the use of high ash content coal (B) Permits the use of low fusion point ash coal(C) Accelerates the burning rate and economises on fuel combustion(D) All (A), (B) and (C)

Description : The advantage of firing pulverised coal in the furnace lies in the fact, that it (A) Permits the use of high ash content coal (B) Permits the use of low fusion point ash coal (C) Accelerates the burning rate and economises on fuel combustion (D) All (A), (B) and (C)

Last Answer : (C) Accelerates the burning rate and economises on fuel combustion

From a retailer's point of view, the MOST basic advantage of using a wholesaler is that the wholesaler 1. extends credit to the retailer 2. provides storage facilities to the retailer 3. can perform physical distribution activities more efficiently than the retailer 4. takes ownership of goods for the retailer 5. none of these

Description : From a retailer's point of view, the MOST basic advantage of using a wholesaler is that the wholesaler 1. extends credit to the retailer 2. provides storage facilities to the retailer 3. can ... more efficiently than the retailer 4. takes ownership of goods for the retailer 5. none of these

Last Answer : can perform physical distribution activities more efficiently than the retailer

The advantage of …………….. is that they solve the problem if sequential storage representation. But disadvantage in that is they are sequential lists. A) Lists B) Linked Lists C) Trees D) Queues

Description : The advantage of …………….. is that they solve the problem if sequential storage representation. But disadvantage in that is they are sequential lists. A) Lists B) Linked Lists C) Trees D) Queues

Last Answer : B) Linked Lists