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
Description : Violent gassing developed by a lead-acid battery during charging indicates that the ____________. A. plate separators are grounded B. cell voltages are excessive C. specific gravity in insufficient D. charging rate is excessive
Last Answer : Answer: D
Description : Violent gassing from a lead-acid battery while it is being charged, indicates that the _____________. A. plate separators are grounded B. battery compartment ventilation is inadequate C. electrolyte specific gravity is too low D. charging rate is too high
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
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
Description : When a lead-acid battery begins gassing freely while receiving a normal charge, the charging current should _____________. A. be increased B. remain unchanged C. be decreased D. shut off
Description : When a lead-acid battery begins gassing freely while receiving a normal charge, the charging current should be _____________. A. increased B. shut off C. decreased D. unchanged
Description : When charging a 100 amp-hour lead-acid battery, ___________. A. the temperature of the electrolyte should not be allowed to exceed 90°F B. the charging rate should be no greater than 125% of the ... nearing full charge and it will be necessary to reduce the charging current to a low finishing rate
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
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
Description : Which of the following conditions indicates that a lead-acid battery is being charged too rapidly? A. Sparks occurring at the positive terminal. B. Unusually high electrolyte specific gravity. C. Low plate potentials being developed. D. Excessively high temperatures and gassing rates.
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
Description : Following will happen if battery charging rate is too high A. Excessive gassing will occur B. Temperature rise will occur C. Bulging and buckling of plates we occur D. All of the above
Last Answer : D. All of the above
Description : What is the voltage drop across the resistor in an RC charging circuit when the charge on the capacitor is equal to the battery voltage?
Last Answer : Zero.
Description : Is violent action in defense of the environment, justifiable?
Last Answer : Violent action in defense of anything but your family is never justifiable.
Description : By pursuing Direct Action Plan, the Muslim League resorted to violent activities. -SST 10th
Last Answer : The communal violence that erupted as a result of Direct Action Day' was the worst of its kind ever seen in the history of India. Muslims organised demonstrations, strikes and processions. The ... property. The communal violence later also spread to Noakhali, some parts of Bihar and even Punjab.
Description : What did congress leaders do when the Muslim League resorted to violent activities after pursuing Direct Action plan. -SST 10th
Last Answer : The Congress leaders like Gandhiji went on foot from place to place in Noakhali. He even undertook 24 hour fast on the very night when transfer of power took place. Jawaharlal ... Bengal did nothing to check communal violence. Some Government officials even supported the perpetrators of violence.
Description : What does off-gassing of a new mattress do to you?
Last Answer : It’s probably just cleaner from the manufacturing, or some “new mattress scent” they add. I’m sure they ensure that its safe since people sleep on it.
Description : Why current reduced after gassing?
Last Answer : Excessive gassing shortens the life of battery by scouring the active materials at the surface of the plates.
Description : Underground cables are laid at sufficient depth (a) to minimise temperature stresses (b) to avoid being unearthed easily due to removal of soil (c) to minimise the effect of shocks and vibrations due to gassing vehicles, etc. (d) for all of the above reasons
Last Answer : (c) to minimise the effect of shocks and vibrations due to gassing vehicles, etc.
Description : The government servant is under suspension and he is not vacate free quarter . What action should be taken in such condition a. issue order to vacate from licence fee free accommodation b issue order to charge the licence fee for free accommodation c. None of these
Last Answer : b issue order to charge the licence fee for free accommodation
Description : What occurs when information is taken or captured and then passed on to someone else for action?
Last Answer : What is the answer ?
Description : The action of a PN-junction during breakdown can be explained by what two theories?
Last Answer : Zener effect and avalanche effect.
Description : What capability allows the arithmetic/logic section to test various conditions encountered during processing and take action based on the result?
Last Answer : Logic.
Description : The violent noises heard in an engine during the process of combustion after the position has passed over the top dead center is known as? 1. Stationary 2. Spark ignition 3. Detonation 4. all of these
Last Answer : <!-- [endif] -->ans 3
Description : The specific gravity of the electrolyte solution in a lead acid battery _____________. A. is not effected during charging B. remains the same during discharge C. would read close to 1.830 when discharged D. gives an indication of the state of charge of the battery
Description : A lead-acid battery may become hotter than normal during a charge if the _________. A. battery has a shorted cell B. charging voltage is too low C. specific gravity is too high D. battery room door is secured
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
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.
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.
Description : Besides eliminating the emitter-base battery, what other advantages can different biasing methods offer?
Last Answer : Compensation for slight variations in transistor characteristics and changes in transistor conduction because of temperature variations.
Description : In order to reverse bias in a PN junction, what terminal of a battery is connected to the P material?
Last Answer : Negative.
Description : . A battery uses what method to produce a voltage?
Last Answer : Chemical.
Description : Why will a meter indicate more voltage at the battery terminal when the battery is out of a circuit than when the battery is in a circuit?
Last Answer : The internal (source) resistance of the battery will drop some of the voltage
Description : At what voltage is a NICAD battery considered to be fully discharged?
Last Answer : At 1.1 volts.
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.
Description : Can a battery be recharged by adding more electrolytes?
Last Answer : No, a current must be passed through the battery.
Description : How is the type of battery most easily determined?
Last Answer : By looking at the nameplate data.
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.
Description : What does the term battery normally refer to?
Last Answer : A voltage source in a single container made from one or more cells.
Last Answer : voltage source in a single container made from one or more cells.
Description : What is the relative length of the discharge time constant with respect to the charge time constant of a damper (long or short)?
Last Answer : Long time constant.
Description : What are the three particles that comprise an atom and state the type of charge they hold?
Last Answer : Electrons-negative, protons-positive, and neutrons-neutral.
Description : How is a negative charge created in a neutral body?
Last Answer : Through the accumulation of excess electrons.
Description : A circuit is to be designed in which a capacitor must charge to 40 percent of the maximum charging voltage in 200 microseconds. The resistor to be used has a resistance of 40,000 ohms. What size capacitor must be used?
Last Answer : 0.1 microfarads 40% from the graph = 0.5
Description : An electron moves into the electrostatic field between a positive charge and a negative charge. Toward which charge will the electron move?
Last Answer : Toward the positive charge.
Description : A refracted wave occurs when a wave passes from one medium into another medium. What determines the angle of refraction?
Last Answer : The density of the two mediums, and the velocity of the waves.
Description : As the core and cladding modes travel along the fiber, mode coupling occurs. What is mode coupling?
Last Answer : Mode coupling is the exchange of power between two modes.
Description : What name is given to the angle where total internal reflection occurs?
Last Answer : Critical angle of incidence.