This is a list of all the questions and their associated study carrel identifiers. One can learn a lot of the "aboutness" of a text simply by reading the questions.
identifier | question |
---|---|
22766 | How can it be accomplished? |
22766 | Why can not electricity act as an agent to purify our drinking water, to sterilize sewage and to arrest offensive odors? |
49769 | 555 the readings show 6 volts and 2 amperes how many ohms is the resistance being tested? |
49769 | At what point of a shunt coil does a break usually occur? |
49769 | At what point on the commutator should the brushes bear? |
49769 | Can a dynamo be reversed by reversing the connections between the field coils and the armature? |
49769 | Can this test be made with any kind of voltmeter? |
49769 | Does the astatic galvanometer give correct readings for different values of the current? |
49769 | EXAMPLE.--If an arc lamp require a current of 8 amperes, how much electricity does it consume per hour? |
49769 | For what kind of resistance is the method adapted? |
49769 | For what kinds of service are speed regulators used? |
49769 | For what kinds of test is the voltmeter method best adapted? |
49769 | For what service is the D''Arsonval galvanometer adapted? |
49769 | For what use are galvanometers employed? |
49769 | For what use is the astatic galvanometer adapted? |
49769 | Has the sine galvanometer a large range? |
49769 | How are compound dynamos connected to operate in series? |
49769 | How are shunt ammeters arranged to correctly measure the current? |
49769 | How are small series motors started on battery circuits? |
49769 | How are the brush holders tested? |
49769 | How are the brushes set by these marks? |
49769 | How are the coils adjusted? |
49769 | How are the connections arranged to avoid excessive voltage in the windings due to self- induction? |
49769 | How are the field coils of all the dynamos connected in parallel? |
49769 | How are the field coils tested for short circuit? |
49769 | How are the most accurate results obtained? |
49769 | How are the terminals liable to be short circuited? |
49769 | How can shunt motors be controlled from a distant point? |
49769 | How can this be overcome? |
49769 | How does an excessive current injure a dynamo? |
49769 | How does moisture in the armature coils affect the armature? |
49769 | How does the lead vary in the different types of dynamo? |
49769 | How does the reverse voltage affect the starting of a motor? |
49769 | How does the speed vary with respect to variation of field strength? |
49769 | How does the winding differ in ammeters and voltmeters? |
49769 | How is a commutator segment pulled out to its correct position? |
49769 | How is a compound dynamo, running in parallel, cut out of circuit? |
49769 | How is a machine cut out of the circuit? |
49769 | How is a shunt motor started? |
49769 | How is a voltmeter connected? |
49769 | How is a wide range of speed regulation secured? |
49769 | How is an untrue commutator detected? |
49769 | How is heating detected? |
49769 | How is it known whether too much or too little resistance be unplugged? |
49769 | How is maximum efficiency secured with variable load? |
49769 | How is moisture in the field coils detected? |
49769 | How is the coil affected by a change in the direction of the current? |
49769 | How is the commutator easily tested as to the condition of its surface? |
49769 | How is the current measured? |
49769 | How is the current strength measured? |
49769 | How is the direction and strength of the current indicated? |
49769 | How is the electrodynamometer adapted to measure volts or watts? |
49769 | How is the equalizer connected? |
49769 | How is the faulty coil located? |
49769 | How is the field circuit tested for breaks? |
49769 | How is the insulation affected by moisture? |
49769 | How is the pressure adjustment made? |
49769 | How is the proper brush contact secured? |
49769 | How is the sine galvanometer operated? |
49769 | How is the speed of shunt and compound motors varied with respect to the normal speed in the two methods? |
49769 | How is the starting lever operated? |
49769 | How is the tangent galvanometer constructed to give direct readings? |
49769 | How long does it take to start a motor? |
49769 | How may correct readings be obtained? |
49769 | How may it be ascertained which coil is reversed? |
49769 | How may such sparking be reduced without stopping the machine? |
49769 | How may the field magnets become heated? |
49769 | How may the range be increased? |
49769 | How may the tangent galvanometer be used as an ammeter? |
49769 | How much copper or zinc will one ampere deposit in one second? |
49769 | How should a dynamo be started? |
49769 | How should a galvanometer be set up before using? |
49769 | How should a roughened commutator be cleaned and smoothed? |
49769 | How should a series machine be started? |
49769 | How should a shunt or compound machine be started? |
49769 | How should low commutator segments be treated? |
49769 | How should the coil be repaired? |
49769 | How should the plates of a weight voltameter be treated before use? |
49769 | How should the rise of temperature be measured? |
49769 | If a faulty coil can not be quickly repaired and the dynamo be needed, what should be done? |
49769 | If a shunt dynamo will not pick up, what is likely to be the trouble? |
49769 | If the insulation on adjacent conductors has been abraded, how should it be repaired? |
49769 | If the resistance being measured is higher than 6,100 ohms, or lower than 1,100 ohms, how should the commutator plugs be placed? |
49769 | If, in rocking the brushes, a position can not be found at which the sparking disappears, what is the probable cause of the trouble? |
49769 | In connecting a shunt dynamo to the bus bars, must the voltage be carefully adjusted? |
49769 | In starting a shunt dynamo, should the main line switch be closed before the machine is up to voltage or after? |
49769 | In testing cable insulation what is desirable with respect to voltmeter and current? |
49769 | In testing with the Queen Acme set how should the plugs be placed in the commutator? |
49769 | Into what two classes may ammeters be divided? |
49769 | Should the brushes be raised out of contact in starting? |
49769 | Should the commutator be run without any lubricant? |
49769 | State the causes of eddy currents in the pole pieces? |
49769 | Then what is the objection to a reversed dynamo? |
49769 | Upon what does the movement of the needles depend? |
49769 | Upon what does the sensibility depend? |
49769 | Upon what does the sensibility of a tangent galvanometer depend? |
49769 | Upon what does the sensitiveness of the instrument depend? |
49769 | What advantage has the sine galvanometer over the tangent instrument? |
49769 | What are multipliers? |
49769 | What are the causes of excessive current? |
49769 | What are the causes of excessive voltage? |
49769 | What are the causes which produce flats? |
49769 | What are the characteristics of hot wire instruments? |
49769 | What are the conditions at starting in a series motor? |
49769 | What are the effects of operation above the rated voltage and below normal speed? |
49769 | What are the objections to plunger instruments? |
49769 | What are the two methods of coupling dynamos? |
49769 | What attention should be given to the brushes and brush gear? |
49769 | What attention should be given to the brushes? |
49769 | What attention should the machine receive after it has been shut down? |
49769 | What causes breaks in the field circuit? |
49769 | What causes grooves or ridges to be cut in the commutator? |
49769 | What causes this? |
49769 | What determines the mode of connecting ammeters? |
49769 | What disadvantage has the tangent galvanometer? |
49769 | What error is introduced in measuring the pressure of a battery with an ordinary voltmeter? |
49769 | What form of voltameter has been selected to measure the International ampere? |
49769 | What further attention should be given? |
49769 | What happens in case of breaks in the armature coils? |
49769 | What is a galvanoscope and how does it differ from a galvanometer? |
49769 | What is a potentiometer? |
49769 | What is a"sensitive"galvanometer? |
49769 | What is an electro- dynamometer? |
49769 | What is the action of short and long coil galvanometers? |
49769 | What is the action of the motor in the Thompson watt hour meter? |
49769 | What is the advantage of this test? |
49769 | What is the allowable degree of heating? |
49769 | What is the allowable rise of temperature in a well designed machine? |
49769 | What is the difference between a short coil and a long coil galvanometer? |
49769 | What is the difference between a starting box and a speed regulator? |
49769 | What is the difference between a voltmeter and an ammeter? |
49769 | What is the difference between an ampere and a coulomb? |
49769 | What is the difference between these two classes of voltameter? |
49769 | What is the difference between"plug out"and"plug in"types of resistance box? |
49769 | What is the effect of a short circuit in the field coils or field circuit? |
49769 | What is the effect of flats on the commutator? |
49769 | What is the effect of hot bearings? |
49769 | What is the effect of short circuits in the armature? |
49769 | What is the effect of the equalizer? |
49769 | What is the indication of excessive voltage? |
49769 | What is the indication of insufficient lubrication? |
49769 | What is the indication of short circuits in the field coils? |
49769 | What is the indication that the connections between the field coils and armature are reversed? |
49769 | What is the meaning of"Inf.,"marked on the bridge? |
49769 | What is the method of comparing currents? |
49769 | What is the objection to the scale with tangent values? |
49769 | What is the position of instability? |
49769 | What is the principle of electrostatic instruments? |
49769 | What is the principle of the hot wire instrument? |
49769 | What is the special use of the differential galvanometer? |
49769 | What is the value of d? |
49769 | What is the value of the International ampere as measured with the silver voltameter? |
49769 | What is understood by the term"build up"? |
49769 | What kind of adjustable resistance is used in making the above test? |
49769 | What kind of dynamo is affected by breaks in the external circuit? |
49769 | What kind of oil can should be used in filling the reservoir, or oil cups? |
49769 | What kind of oil should be used on the commutator? |
49769 | What kind of oil should be used on the commutator? |
49769 | What may be said with respect to coupling two or more plain series dynamos in parallel? |
49769 | What may be said with respect to excessive current? |
49769 | What may be said with respect to excessive field current? |
49769 | What may be said with respect to reversal of polarity of dynamos? |
49769 | What may be said with respect to the current used? |
49769 | What may be said with respect to the differential galvanometer method? |
49769 | What may be said with respect to the lead of the brushes? |
49769 | What may be substituted for the voltmeter? |
49769 | What name is given to the swing of a ballistic galvanometer needle? |
49769 | What name is given to this method of testing? |
49769 | What other advantages are gained with the decade arrangement? |
49769 | What parts of a dynamo are specially liable to be short circuited? |
49769 | What precaution must be taken in reducing the current? |
49769 | What precaution should be taken in making the test? |
49769 | What precaution should be taken with inductive resistances? |
49769 | What precaution should be taken with new dynamos? |
49769 | What precaution should be taken with the brush holders? |
49769 | What provision is made so that the magnetizing current will have time to reach its normal value? |
49769 | What provision is made to facilitate the correct setting of the brushes? |
49769 | What provision is made to obviate this danger? |
49769 | What provision is made to overcome the arc when the circuit is opened? |
49769 | What provision is made to prevent reversal before bringing the controller lever to the"off"position? |
49769 | What should be done after adjusting the brushes to their correct positions upon the commutator? |
49769 | What should be done if a dynamo become reversed by a reversal of its field magnetism due to lightning, short circuit, or otherwise? |
49769 | What should be done if carbon brushes become hotter than the other parts? |
49769 | What should be done if it be suspected that the failure to excite arises from this cause? |
49769 | What should be done if the brushes begin to spark excessively? |
49769 | What should be done if the current be excessive? |
49769 | What should be done if the machine do not build, and it be suspected that the fault is due to short circuited armature coils? |
49769 | What should be done if the odor of overheated insulation, paint or varnish be noticeable? |
49769 | What should be done in case of flats? |
49769 | What should be done in case of high segments? |
49769 | What should be noted with respect to connecting one dynamo to another? |
49769 | What trouble is encountered with eddy currents? |
49769 | What trouble is liable to be encountered in operating after cutting out a coil? |
49769 | What trouble is likely to occur when the armature is not centered in the armature chamber? |
49769 | What troubles are encountered with short circuits in the armature or commutator? |
49769 | What two kinds of coil are used? |
49769 | What two kinds of sparking may be generally distinguished? |
49769 | What will be the result if the connections of some of the field coils of a dynamo be reversed? |
49769 | What will happen with an overheated commutator? |
49769 | When a dynamo loses its residual magnetism, how can it be made to build up? |
49769 | When is this galvanometer called"dead beat"? |
49769 | Where is a break likely to occur in a shunt machine? |
49769 | Which of the contacts should receive special attention? |
49769 | Why does a shunt machine pick up more slowly if the main switch be closed first? |
49769 | Why does the instrument not give accurate readings for large deflections? |
49769 | Why is a high resistance coil used with a voltmeter? |
49769 | Why is this necessary? |
49769 | Why is this? |
49769 | Why should the battery key be depressed before the galvanometer key? |
49769 | Will a dynamo build up if it become reversed? |
49769 | With what pressure should the brushes bear against the commutator? |