To determine the state of charge of a nickel-cadmium battery, you would use a/an _____________. A. voltmeter B. hydrometer C. ammeter D. potentiometer

To determine the state of charge of a nickel-cadmium battery, you would use a/an _____________. A. voltmeter B. hydrometer C. ammeter D. potentiometer
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To test the state of charge of a nickel-cadmium battery, you should use a/an ____________. A. ammeter B. voltmeter C. hydrometer D. potentiometer

Description : To test the state of charge of a nickel-cadmium battery, you should use a/an ____________. A. ammeter B. voltmeter C. hydrometer D. potentiometer

Last Answer : Answer: B

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

A nickel-cadmium battery is receiving a normal charge and gases freely. The charging current should _____________. A. be increased B. be decreased C. be cut off and the battery allowed to cool D. remain the same

Description : A nickel-cadmium battery is receiving a normal charge and gases freely. The charging current should _____________. A. be increased B. be decreased C. be cut off and the battery allowed to cool D. remain the same

Last Answer : Answer: D

The charge of a lead-acid battery is checked with a/an ____________. A. manometer B. hydrometer C. voltmeter D. ohmmeter

Description : The charge of a lead-acid battery is checked with a/an ____________. A. manometer B. hydrometer C. voltmeter D. ohmmeter

Last Answer : Answer: B

A useful instrument for checking A.C. motor performance by measuring possible unbalanced currents is the _____________. A. hand or battery-operated megger B. vibrating-reed frequency meter C. hook-on voltmeter-ammeter D. D'Arsonval iron-vane probe

Description : A useful instrument for checking A.C. motor performance by measuring possible unbalanced currents is the _____________. A. hand or battery-operated megger B. vibrating-reed frequency meter C. hook-on voltmeter-ammeter D. D'Arsonval iron-vane probe

Last Answer : Answer: C

The basic meter movement responds to the flow of current through its coil. Therefore, this meter movement may be used as a/an _____________. A. voltmeter by placing a resistance in parallel with the coil B. ohmmeter by placing another meter movement in parallel with the coil C. wattmeter by placing a battery in parallel with the coil D. ammeter by placing a low resistance in parallel with the coil

Description : The basic meter movement responds to the flow of current through its coil. Therefore, this meter movement may be used as a/an _____________. A. voltmeter by placing a resistance in parallel with the ... in parallel with the coil D. ammeter by placing a low resistance in parallel with the coil

Last Answer : Answer: D

Local action in a nickel-cadmium battery is offset by _____________. A. separating the positive and negative plates with plastic spacers B. separating the positive and negative plates with resin impregnated spacers C. adding a small amount of lithium hydroxide to the electrolyte D. trickle charging

Description : Local action in a nickel-cadmium battery is offset by _____________. A. separating the positive and negative plates with plastic spacers B. separating the positive and negative plates with resin impregnated spacers C. adding a small amount of lithium hydroxide to the electrolyte D. trickle charging

Last Answer : Answer: D

When charging a nickel-cadmium battery, ____________. A. the charging rate should be lessened when gassing commences B. overcharging should be avoided C. the specific gravity of the electrolyte will be unaffected by the state of charge D. add distilled water just prior to charging to insure proper mixing

Description : When charging a nickel-cadmium battery, ____________. A. the charging rate should be lessened when gassing commences B. overcharging should be avoided C. the specific gravity of the electrolyte will be ... by the state of charge D. add distilled water just prior to charging to insure proper mixing

Last Answer : Answer: C

The charge of a lead-acid battery is checked with a _____________. A. manometer B. hydrometer C. viscosimeter D. ohmmeter

Description : The charge of a lead-acid battery is checked with a _____________. A. manometer B. hydrometer C. viscosimeter D. ohmmeter

Last Answer : Answer: B

Which of the following statements concerning nickel-cadmium batteries is true? A. When mixing electrolyte always add acid to the water. B. Nickel-cadmium batteries can be charged and discharged only a limited number of times without damage to the cells. C. Nickel-cadmium batteries can be stored for a long time and still keep a full charge without additional charging. D. The electrolyte of an idle nickel-cadmium battery must be replaced monthly to maintain battery condition.

Description : Which of the following statements concerning nickel-cadmium batteries is true? A. When mixing electrolyte always add acid to the water. B. Nickel-cadmium batteries can be charged and ... The electrolyte of an idle nickel-cadmium battery must be replaced monthly to maintain battery condition.

Last Answer : Answer: C

Conversion of heat into electrical er is achieved by using – (1) Ammeter (2) Hydrometer (3) Voltmeter (4) Thermocouple

Description : Conversion of heat into electrical er is achieved by using – (1) Ammeter (2) Hydrometer (3) Voltmeter (4) Thermocouple

Last Answer : (4) Thermocouple Explanation: Thermoelectric generators convert thermal energy into electricity by using heat from the body - or any object with a temperature gradient - as their energy source. ... energy into electricity. Bismuth telluride and its alloys are commonly used in thermocouples.

Conversion of heat into electrical er is achieved by using : (1) Ammeter (2) Hydrometer (3) Voltmeter (4) Thermocouple

Description : Conversion of heat into electrical er is achieved by using : (1) Ammeter (2) Hydrometer (3) Voltmeter (4) Thermocouple

Last Answer : Thermocouple

Conductor resistance may be INDIRECTLY measured by using a/an _____________. A. voltmeter only B. ammeter only C. voltmeter and an ammeter D. ohmmeter only

Description : Conductor resistance may be INDIRECTLY measured by using a/an _____________. A. voltmeter only B. ammeter only C. voltmeter and an ammeter D. ohmmeter only

Last Answer : Answer: C

A multimeter may be damaged by taking a _____________. A. voltage reading while in the ammeter mode B. current reading while in the voltmeter mode C. resistance reading while in the ammeter mode D. resistance reading while in the voltmeter mode

Description : A multimeter may be damaged by taking a _____________. A. voltage reading while in the ammeter mode B. current reading while in the voltmeter mode C. resistance reading while in the ammeter mode D. resistance reading while in the voltmeter mode

Last Answer : Answer: A

You are calibrating a multimeter using internal batteries to supply power for resistance measurements. However, you are unable to adjust the pointer to 'zero' using the adjustment knob. Therefore, you should _____________. A. replace the batteries in the instrument B. measure resistance by dividing the voltmeter indication by the ammeter indication C. set the pointer using a bridge D. change scales to the R X 100 scale and adjust using the 'zero ohms' adjusting knob

Description : You are calibrating a multimeter using internal batteries to supply power for resistance measurements. However, you are unable to adjust the pointer to 'zero' using the adjustment knob. Therefore, you should ... change scales to the R X 100 scale and adjust using the 'zero ohms' adjusting knob

Last Answer : Answer: A

The RPM of an AC generator can be measured with a/an _____________. A. ammeter B. voltmeter C. vibrating reed meter D. synchroscope

Description : The RPM of an AC generator can be measured with a/an _____________. A. ammeter B. voltmeter C. vibrating reed meter D. synchroscope

Last Answer : Answer: C

A resistance in a circuit of unknown value is to be tested using the voltmeter/ammeter method. Therefore, the meters should be connected with _____________. A. both meters in series with the resistance B. both meters in parallel with the resistance C. the ammeter in series and the voltmeter in parallel with the resistance D. the ammeter in parallel and the voltmeter in series with the resistance

Description : A resistance in a circuit of unknown value is to be tested using the voltmeter/ammeter method. Therefore, the meters should be connected with _____________. A. both meters in series with the ... parallel with the resistance D. the ammeter in parallel and the voltmeter in series with the resistance

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

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

What is the approximate voltage produced by a nickel-cadmium battery cell? A. 1.25 volts B. 1.50 volts C. 2.20 volts D. 6.05 volts

Description : What is the approximate voltage produced by a nickel-cadmium battery cell? A. 1.25 volts B. 1.50 volts C. 2.20 volts D. 6.05 volts

Last Answer : Answer: A

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

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

What are the disadvantages of nickel cadmium battery?

Description : What are the disadvantages of nickel cadmium battery? 

Last Answer : Status of charge not known Number of cells are more Cost very high Environmental protection agency considers cadmium as a hazardous material, difficult to discard at the end of life. 

To determine if a stator coil is grounded, you should use a/an _____________. A. ammeter B. ground detection lamp C. magneto D. megger

Description : To determine if a stator coil is grounded, you should use a/an _____________. A. ammeter B. ground detection lamp C. magneto D. megger

Last Answer : Answer: D

In order to check the performance of a transistor removed from its circuit, the instrument to be used should be a/an ____________. A. voltmeter or transistor tester B. impedance meter C. ohmmeter or transistor tester D. sensitive potentiometer

Description : In order to check the performance of a transistor removed from its circuit, the instrument to be used should be a/an ____________. A. voltmeter or transistor tester B. impedance meter C. ohmmeter or transistor tester D. sensitive potentiometer

Last Answer : Answer: C

A suspected 'open' in a motor field can be tested by using a/an ____________. A. potentiometer B. megger C. wattmeter D. ammeter

Description : A suspected 'open' in a motor field can be tested by using a/an ____________. A. potentiometer B. megger C. wattmeter D. ammeter

Last Answer : Answer: B

Use Voltmeter, ammeter, wattmeter to determine active, reactive and apparent power consumed in given R—C series circuit, draw phasor diagram.

Description : Use Voltmeter, ammeter, wattmeter to determine active, reactive and apparent power consumed in given R—C series circuit, draw phasor diagram.

Last Answer : Use Voltmeter, ammeter, wattmeter to determine active, reactive and apparent power consumed in given R-C series circuit, draw phasor diagram. Practical Significance In the industry environment ... autotransformer position to zero and switch OFF the supply. 8. Draw the phasor diagram.

Use Voltmeter, ammeter, wattmeter to determine active, reactive and apparent power consumed in given R-L series circuit, draw phasor diagram.

Description : Use Voltmeter, ammeter, wattmeter to determine active, reactive and apparent power consumed in given R-L series circuit, draw phasor diagram.

Last Answer : Practical Significance In the industry environment Electrical Engineering diploma graduate are expected to measure basic parameters like voltage, frequency, time period etc. for R-L series circuits. Therefore ... /varying L. 7. Draw the phasor diagram for each of reading for verification.

The storage battery generally used in electric power station is A. Nickel-cadmium battery B. Zinc carbon battery C. Lead-acid battery D. None of the above

Description : The storage battery generally used in electric power station is A. Nickel-cadmium battery B. Zinc carbon battery C. Lead-acid battery D. None of the above

Last Answer : C. Lead-acid battery

The storage battery generally used in electric power station is A] nickel-cadmium battery B] zinc-carbon battery C] lead-acid battery D] None of the above

Description : The storage battery generally used in electric power station is A] nickel-cadmium battery B] zinc-carbon battery C] lead-acid battery D] None of the above

Last Answer : C] lead-acid battery

When a nickel-cadium battery begins gassing while connected to the battery charging circuit, you should _____________. A. do nothing as this is a normal condition when charging B. add distilled water to each cell to reduce the specific gravity of the electrolyte C. add potassium hydroxide to each cell to increase the specific gravity of the electrolyte D. decrease the charging rate

Description : When a nickel-cadium battery begins gassing while connected to the battery charging circuit, you should _____________. A. do nothing as this is a normal condition when charging B. add distilled water ... to each cell to increase the specific gravity of the electrolyte D. decrease the charging rate

Last Answer : Answer: A

Which of the instruments listed could be use to locate a grounded field coil in a synchronous motor? A. Ammeter B. Voltmeter C. Megohmmeter D. Frequency meter

Description : Which of the instruments listed could be use to locate a grounded field coil in a synchronous motor? A. Ammeter B. Voltmeter C. Megohmmeter D. Frequency meter

Last Answer : Answer: C

An internal resistance is placed in series with the meter movement of which of the following instruments? A. AC ammeter B. DC ammeter C. DC voltmeter D. Frequency meter

Description : An internal resistance is placed in series with the meter movement of which of the following instruments? A. AC ammeter B. DC ammeter C. DC voltmeter D. Frequency meter

Last Answer : Answer: C

Which of the following meters uses a shunt connected in series with the load, but parallel with the meter movement? A. voltmeter B. power factor meter C. wattmeter D. ammeter

Description : Which of the following meters uses a shunt connected in series with the load, but parallel with the meter movement? A. voltmeter B. power factor meter C. wattmeter D. ammeter

Last Answer : Answer: D

Which of the listed meters uses a shunt connected in series with the load, but parallel with the meter movement? A. Voltmeter B. Power factor meter C. Ammeter D. Wattmeter

Description : Which of the listed meters uses a shunt connected in series with the load, but parallel with the meter movement? A. Voltmeter B. Power factor meter C. Ammeter D. Wattmeter

Last Answer : Answer: C

Which of the instruments listed should always be connected in series with a circuit? A. Ammeter B. Megohmmeter C. Wattmeter D. Voltmeter

Description : Which of the instruments listed should always be connected in series with a circuit? A. Ammeter B. Megohmmeter C. Wattmeter D. Voltmeter

Last Answer : Answer: A

In order to increase its range of measurement, a resistance would be placed in series with which of the following instruments? A. DC voltmeter B. DC ammeter C. frequency meter D. power factor meter

Description : In order to increase its range of measurement, a resistance would be placed in series with which of the following instruments? A. DC voltmeter B. DC ammeter C. frequency meter D. power factor meter

Last Answer : Answer: A

A switchboard, for a AC electrical distribution system, will be provided with which of the following components? A. Frequency meter. B. Ammeter C. Voltmeter D. All of the above

Description : A switchboard, for a AC electrical distribution system, will be provided with which of the following components? A. Frequency meter. B. Ammeter C. Voltmeter D. All of the above

Last Answer : Answer: D

You use a hydrometer to check the condition of the electrolyte in your car battery. It is actually measuring what property of the fluid? w) charge x) density y) temperature z) surface tension

Description : You use a hydrometer to check the condition of the electrolyte in your car battery. It is actually measuring what property of the fluid? w) charge x) density y) temperature z) surface tension 

Last Answer : ANSWER: X -- DENSITY

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

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

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

State the purpose of calibration of measuring instruments. Explain the procedure of calibration of D.C. voltmeter by using D.C. potentiometer.

Description : State the purpose of calibration of measuring instruments. Explain the procedure of calibration of D.C. voltmeter by using D.C. potentiometer.

Last Answer : Purpose of calibration : Calibration is the process of evaluating and adjusting the precision and accuracy of measuring equipment. Proper calibration of an instrument allows people to have a safe ... calibration curve can be drawn by plotting the percentage error against the measured voltages. 

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

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

The electrical device shown in the illustration is a/an _____________. EL-0077 A. operating coil B. indicating lamp C. motor armature D. potentiometer

Description : The electrical device shown in the illustration is a/an _____________. EL-0077 A. operating coil B. indicating lamp C. motor armature D. potentiometer

Last Answer : Answer: D