FAA GENERAL PT1

How is a quality system assured?. By a dependent organization. By an indepedent organization. By an internal reporting and auditing system.

According to Dr. James Reason, there are two types of human failure which can occur. They are: latent and mental. latent and active. proper and improper.

Many areas of aviation have shifted their focus from eliminating error to. reducing and containing error. managing and preventing error. identifying and managing error.

When we think of aviation safety in a contemporary way, human error is. the intervention point. the starting point. the ending point.

All of the following are consequences of human error, except. personal injury. mental stressor. little or no effect.

The SHEL model is another human factors tool. The goal is to determine not only what the problem is, but also [. how many factors contribute to the error. where and why it exists. how we prevent the problem.

The three types of human error are. Extraneous, latent, and physiological. Incorrect. commission, extraneous, and omission. commission, omission, and environment.

In relation to aviation maintenance human factors programs, what are two environments in aviation maintenance?. Human factors and physical factors. Psychological and physical. Physical and organizational.

If each cell, connected in series, equals 2 volts, how would a 12-cell lead acid battery be rated?. 6 volts. 12 volts. 24 volts.

If electrolyte from a lead-acid battery is spilled in the battery compartment, which procedure should be followed?. Apply boric acid solution to the affected area followed by a water rinse. Rinse the affected area thoroughly with clean water. Apply sodium bicarbonate solution to the affected area followed by a water rinse.

Which statement regarding the hydrometer reading of a lead-acid storage battery electrolyte is true?. The hydrometer reading will give a true indication of the capacity of the battery regardless of the electrolyte temperature. A specific gravity correction should be added to the hydrometer reading if the electrolyte temperature is below 59°F. The hydrometer reading does not require a temperature correction if the electrolyte temperature is 80°F.

A fully charged lead-acid battery will not freeze until extremely low temperatures are reached because. the acid is in the plates, thereby increasing the specific gravity of the solution. Incorrect. increased internal resistance generates sufficient heat to prevent freezing. . most of the acid is in the solution.

What determines the amount of current which will flow through a battery while it is being charged by a constant voltage source?. The state-of-charge of the battery. The total plate area of the battery. The ampere-hour capacity of the battery.

Which of the following statements is/are generally true regarding the charging of several aircraft batteries together? 1. Batteries of different voltages (but similar capacities) can be connected in series with each other across the charger, and charged using the constant current method. 2. Batteries of different ampere-hour capacity and same voltage can be connected in parallel with each other across the charger, and charged using the constant voltage method. 3. Batteries of the same voltage and same ampere-hour capacity must be connected in series with each other across the charger, and charged using the constant current method. 1. 2 and 3. 1 and 2.

The purpose of providing a space underneath the plates in a lead acid battery's cell container is to. prevent sediment buildup from contacting the plates and causing a short circuit. allow for convection flow of the electrolyte in order to provide for cooling of the plates. ensure that the electrolyte quantity ratio to the number of plates and plate area is adequate.

Which condition is an indication of improperly torqued cell link connections of a nickel-cadmium battery?. Toxic and corrosive deposits of potassium carbonate crystals. Heat or burn marks on the hardware. Light spewing at the cell caps.

The presence of any small amount of potassium carbonate deposits on the top of nickel-cadmium battery cells in service is an indication of. excessive gassing. normal operation. plate sulfation.

The electrolyte of a nickel-cadmium battery is the lowest when the battery is. in a discharged condition. under a heavy load condition. being charged.

During discharge, nickel-cadmium batteries will show a lower liquid level than when at full charge because. the electrolyte becomes absorbed into the plates. a chemical action causes the electrolyte to evaporate through the vents. current leakage from individual cells causes a rise in temperature.

How can the state-of-charge of a nickel-cadmium battery be determined. By the level of the electrolyte. By a measured discharge. By measuring the specific gravity of the electrolyte.

What may result if water is added to a nickel-cadmium battery when it is not fully charged?. No adverse effects since water may be added anytime. Excessive electrolyte dilution. Excessive spewing is likely to occur during the charging cycle.

What may result if water is added to a nickel-cadmium battery when it is not fully charged?. No adverse effects since water may be added anytime. Excessive spewing is likely to occur during the charging cycle. Excessive electrolyte dilution.

In nickel-cadmium batteries, a rise in cell temperature. increases cell voltage. causes a decrease in internal resistance. causes an increase in internal resistance.

Which of the following best describes the contributing factors to thermal runaway in a nickel-cadmium battery installed in an aircraft?. Low internal resistance intensified by high cell temperatures and a high current discharge/charge rate in a constant potential (voltage) charging system. High internal resistance intensified by high cell temperatures and a high current discharge/charge rate in a constant potential (voltage) charging system. Low internal resistance intensified by high cell temperatures and a high voltage discharge/charge rate in a constant current charging system.

When a charging current is applied to a nickel cadmium battery, the cells emit gas. toward the end of the charging cycle. especially if the electrolyte level is high. throughout the charging cycle.

What factors strengthen a coil inductor?. Adding and separating the coils. Adding coils close together. Limiting and separating the coils.

Through which material will magnetic lines of force pass the most readily?. Copper. Brass. Iron.

The working voltage of a capacitor in an AC circuit should be. equal to the highest applied voltage. at least 20 percent greater than the highest applied voltage. at least 50 percent greater than the highest applied voltage.

Refer to Figure 1.) When different rated capacitors are connected in series in a circuit, the total capacitance is. less than the capacitance of the lowest rated capacitor. equal to the sum of all the capacitances. greater than the capacitance of the highest rated capacitor.

Capacitors are sometimes used in DC circuits to. counteract inductive reactance at specific locations. assist in stepping voltage and current up and/or down. smooth out slight pulsations in current/voltage.

assist in stepping voltage and current up and/or down. distance between the plates and inversely proportional to the plate area. plate area and is not affected by the distance between the plates. plate area and inversely proportional to the distance between the plates.

Refer to Figure 2.) What is the total capacitance of a circuit containing three capacitors with capacitances of .02 microfarad, .05 microfarad, and .10 microfarad, respectively?. 0125 uF. 0.125 pF. .170 uF.

What is the total capacitance of a circuit containing three capacitors in parallel with capacitances of .02 microfarad, .05 microfarad, and .10 microfarad, respectively?. 0.125 pF. .170 uF. .0125 uF.

What is the total capacitance of a certain circuit containing three capacitors with capacitances of .25 microfarad, .03 microfarad, and .12 microfarad, respectively? (Note: C(T) = C(1) + C(2) + C(3)). .04 uF. .04 pF. .4 uF.

What does the letter Q symbolize when measuring electrical charge?. Electron. Coulomb. Farad.

If each cell, connected in series, equals 2 volts, how would a 12-cell lead acid battery be rated?. 12 volts. 24 volts. 6 volts.

If electrolyte from a lead-acid battery is spilled in the battery compartment, which procedure should be followed?. Apply boric acid solution to the affected area followed by a water rinse. Rinse the affected area thoroughly with clean water. Apply sodium bicarbonate solution to the affected area followed by a water rinse.

Which statement regarding the hydrometer reading of a lead-acid storage battery electrolyte is true?. The hydrometer reading will give a true indication of the capacity of the battery regardless of the electrolyte temperature. A specific gravity correction should be added to the hydrometer reading if the electrolyte temperature is below 59°F. The hydrometer reading does not require a temperature correction if the electrolyte temperature is 80°F.

A fully charged lead-acid battery will not freeze until extremely low temperatures are reached because. increased internal resistance generates sufficient heat to prevent freezing. most of the acid is in the solution. the acid is in the plates, thereby increasing the specific gravity of the solution.

What determines the amount of current which will flow through a battery while it is being charged by a constant voltage source?. The total plate area of the battery. The state-of-charge of the battery. The ampere-hour capacity of the battery.

Which of the following statements is/are generally true regarding the charging of several aircraft batteries together? 1. Batteries of different voltages (but similar capacities) can be connected in series with each other across the charger, and charged using the constant current method. 2. Batteries of different ampere-hour capacity and same voltage can be connected in parallel with each other across the charger, and charged using the constant voltage method. 3. Batteries of the same voltage and same ampere-hour capacity must be connected in series with each other across the charger, and charged using the constant current method. 1 and 2. 2. 1.

The purpose of providing a space underneath the plates in a lead acid battery's cell container is to. ensure that the electrolyte quantity ratio to the number of plates and plate area is adequate. allow for convection flow of the electrolyte in order to provide for cooling of the plates. prevent sediment buildup from contacting the plates and causing a short circuit.

Which condition is an indication of improperly torqued cell link connections of a nickel-cadmium battery?. Toxic and corrosive deposits of potassium carbonate crystals. Heat or burn marks on the hardware. Light spewing at the cell caps.

The electrolyte of a nickel-cadmium battery is the lowest when the battery is. being charged. in a discharged condition. under a heavy load condition.

How can the state-of-charge of a nickel-cadmium battery be determined?. By the level of the electrolyte. By measuring the specific gravity of the electrolyte. By a measured discharge.

What may result if water is added to a nickel-cadmium battery when it is not fully charged?. No adverse effects since water may be added anytime. Excessive electrolyte dilution. Excessive spewing is likely to occur during the charging cycle.

In nickel-cadmium batteries, a rise in cell temperature. causes an increase in internal resistance. increases cell voltage. causes a decrease in internal resistance.

When a charging current is applied to a nickel cadmium battery, the cells emit gas [. especially if the electrolyte level is high. throughout the charging cycle. toward the end of the charging cycle.

What factors strengthen a coil inductor?. Limiting and separating the coils. Adding coils close together. Adding and separating the coils.

Through which material will magnetic lines of force pass the most readily?. Brass. Aluminum. Iron.

The working voltage of a capacitor in an AC circuit should be. at least 75 percent greater than the highest applied voltage. equal to the highest applied voltage. at least 50 percent greater than the highest applied voltage.

An increase in which of the following factors will cause an increase in the inductive reactance of a circuit?. Capacitive reactance and voltage. Frequency and inductance. Resistance and .

When different rated capacitors are connected in parallel in a circuit, the total capacitance is (Note: C(T) = C(1) + C(2) + C(3) . . .). less than the capacitance of the lowest rated capacitor. equal to the sum of all the capacitances. equal to the capacitance of the highest rated capacitor.

When inductors are connected in series in a circuit, the total inductance (where the magnetic fields of each inductor do not affect the others) is (Note: L(T) = L(1) + L(2) + L(3) . . .) [. equal to the capacitance of the highest rated capacitor. equal to the inductance of the highest rated inductor. equal to the sum of the individual inductances.

(Refer to Figure 3.) When more than two inductors of different inductances are connected in parallel in a circuit, the total inductance is. equal to the sum of the individual inductances. equal to the inductance of the highest rated inductor. less than the inductance of the lowest rated inductor.

Transfer of electric energy from one circuit to another without the aid of electrical connections. is called capacitance. is called induction. can cause excessive arcing and heat, and as a result is practical for use only with low voltages/amperages.

What is the opposition to the flow of AC produced by an electromagnetic field (EMF) with generated back voltage called?. Inductive reactance. Mutual inductance. Capacitive reactance.

The opposition offered by a coil to the flow of alternating current (ignoring resistance) is called. inductive reactance. impedance. reluctance.

In an AC circuit, the effective voltage is. less than the maximum instantaneous voltage. equal to the maximum instantaneous voltage. greater than the maximum instantaneous voltage.

Unless otherwise specified, any values given for current or voltage in an AC circuit are assumed to be. peak values. effective values. instantaneous values.

(Refer to Figure 5.) What is the impedance of an ac-series circuit consisting of an inductor with a reactance of 10 ohms, a capacitor with a reactance of 4 ohms, and a resistor with a resistance of 8 ohms?. 10 ohms. 22 ohms. 5.29 ohms.

When referencing resistance in a parallel DC circuit, which of the following statements is true?. The current is equal in all portions of the circuit. The total current is equal to the sum of the currents through the individual branches of the circuit. The current in amperes can be found by dividing the source voltage in volts by the sum of the resistors in ohms.

The current in amperes can be found by dividing the source voltage in volts by the sum of the resistors in ohms. multiplying farads by 10 to the power of 6. multiplying microfarads by 10 to the power of 6. multiplying picofarads by 10 to the power of 6.

multiplying picofarads by 10 to the power of 6. multiplying microfarads by 10 to the power of -12. multiplying farads by 10 to the power of 12. multiplying picofarads by 10 to the power of 12.

Which requires the most electrical power during operation? (Note: 1 horsepower = 746 watts). Two lights requiring 3 amperes each in a 24-volt parallel system. Four 30-watt lamps in a 12-volt parallel circuit. A 12-volt motor requiring 8 amperes.

(Refer to Figure 9.) How many instruments (voltmeters and ammeters) are installed correctly?. Four. Zero. Two.

The correct way to connect a test voltmeter in a circuit is. between the source voltage and the load. in parallel with a unit. in series with a unit.

What will a voltmeter read if properly connected across a closed switch in a circuit with electrical power on? [. Zero voltage. System voltage. Voltage drop in the component(s) the switch is connected to.

Which term means .001 ampere?. Microampere. Kiloampere. Milliampere.

.002 kV equals. 20 volts. 2.0 volts. 200 volts.

What is the basic unit of electrical quantity?. Ampere. Coulomb. Electromotive force.

The potential difference between two conductors which are insulated from each other is measured in. coulombs. volts. amperes.

The potential difference between two conductors which are insulated from each other is measured in. coulombs. volts. amperes.

A 24-volt source is required to furnish 48 watts to a parallel circuit consisting of four resistors of equal value. What is the voltage drop across each resistor?. 24 volts. 6 volts. 12 volts.

(Refer to Figure 10.) What is the measured voltage of the series-parallel circuit between terminals A and B?. 3.0 volts. 1.5 volts. 6.0 volts.

(Refer to Figure 11.) Find the voltage across the 8-ohm resistor. 20.4 volts. 8 volts. 24 volts.

The voltage drop in a circuit of known resistance is dependent on. the voltage of the circuit. the amperage of the circuit. only the resistance of the conductor and does not change with a change in either voltage or amperage.

(Refer to Figure 22.) Which illustration is correct concerning bias application and current (positive charge) flow?. 1. 2. 3.

How many amperes will a 28-volt generator be required to supply to a circuit containing five lamps in parallel, three of which have a resistance of 6 ohms each and two of which have a resistance of 5 ohms each?. 1.11 amperes. 1 ampere. 25.23 amperes.

Which effect does not apply to the movement of electrons flowing in a conductor?. Magnetic energy. Thermal energy. Static energy.

(Refer to Figure 11.) Find the total current flowing in the wire between points C and D. 2.4 amperes. 3.0 amperes. 6.0 amperes.

(Refer to Figure 13.) Determine the total current flow in the circuit. 0.2 ampere. 1.4 amperes. 0.8 ampere.

The correct way to connect a test voltmeter in a circuit is. between the source voltage and the load. in parallel with a unit. in series with a unit.

In a parallel circuit with three 6-ohm resistors across a 12-volt battery, what is the total current (It) value in the circuit?. 6 amps. 3 amps. 12 amps.

(Refer to Figure 64.) A 24-volt source is required to furnish 48 watts to a parallel circuit consisting of two resistors of equal value. What is the value of each resistor? (Note: R(t) = E^2/P). 24 ohms. Correct!. 48 ohms. 6 ohms.