Description : In what direction will a gyro precess in response to an outside force?
Last Answer : Perpendicular (90º) to the force.
Description : What type of force acts ONLY through the center of gravity of a gyro, and does NOT cause precession?
Last Answer : Force of translation.
Description : What type(s) of force does a gyro resist?
Last Answer : Any force that attempts to tilt the spin axis.
Description : What gyro characteristic provides the basis of the operation of a rate gyro?
Last Answer : Precession.
Description : How many degrees-of-freedom does a rate gyro usually have?
Last Answer : One.
Description : What is the purpose of rotating the gimbal assembly in a gyro using a mercury erection system?
Last Answer : Applies torque at the proper point for correct precession.
Description : What is the purpose of an erection system used with a gyro?
Last Answer : To achieve and maintain the proper operating position for the gyro (usually vertical or horizontal).
Description : What are the three causes of mechanical drift in a gyro?
Last Answer : Unbalanced gyro, inertia of gimbals, bearing friction
Description : If a free gyro is placed at the equator at 1200 in a vertical position; in what position should it be at 1800?
Last Answer : Horizontal.
Description : A universally mounted gyro has how many degrees of freedom?
Last Answer : Two.
Description : Which gyro rotor in figure 3-6, view (A) view (B) view (C), will have the greatest rigidity if all are rotated at the same speed?
Last Answer : C.
Description : What factors determine the rigidity of a gyro?
Last Answer : Rotor speed, weight, shape.
Description : A universally mounted gyro has how many gimbals?
Description : What gyro property causes the gyro to remain in a fixed position?
Last Answer : Rigidity.
Description : In the drawing in figure 3-1, which axis is the gyro spin axis?
Last Answer : X-axis
Description : What factor determines whether a radio wave is reflected or refracted by the ionosphere?
Last Answer : Thickness of ionized layer.
Description : What factor determines the difference between the transmitted frequency and the received frequency in an fm transmitter?
Last Answer : Travel time.
Description : What is the main factor that determines receiver sensitivity?
Last Answer : Noise
Description : What is the major factor that limits the high-frequency response of an amplifier circuits?
Last Answer : The capacitance of the circuit.
Description : The damping factor of a particular system is unity, the system response will be
Last Answer : The damping factor of a particular system is unity, the system response will be critically damped
Description : What will be the effect upon an electron traveling in the opposite direction to the lines of force in an electrostatic field?
Last Answer : The electron will be accelerated.
Description : In what direction are electrostatic lines of force drawn?
Last Answer : Leaving positive, entering negative
Description : When using the tight-hand rule to determine precession, which finger indicates the direction of the applied force?
Last Answer : Middle finger.
Description : What parameter of light detector determines the range or system length that can be achieved for a given wavelength? ∙ a. Transit time ∙ b. Spectral response ∙ c. Dark current ∙ d. Responsitivity
Last Answer : ∙ b. Spectral response
Description : What determines the frequency, bandwidth, and power handling capability of a waveguide probe?
Last Answer : Size and shape
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 : What determines whether these components are considered series or shunt?
Last Answer : . The relationship of the components to the output-signal path.
Description : Which quantity (voltage or current) determines the intensity of an electrical shock?
Last Answer : Current.
Description : In a dual-speed synchro system what determines the two specific speeds at which the data will be transmitted?
Last Answer : The gear ratio between the two transmitters.
Description : What determines whether a differential synchro adds or subtracts?
Last Answer : The way the differential synchro is connected in a system is the deciding factor on whether the unit adds or subtracts its inputs.
Description : the voltage drop across RS and R1 determines the amount of base-emitter ____ for Q1.
Last Answer : Bias.
Description : What determines the rate of discharge of the capacitor in a filter circuit?
Last Answer : Value of capacitance and load resistance.
Description : What determines the chemical activity of an atom?
Last Answer : The number of electrons in the valence shell.
Description : In an externally synchronized radar, what determines the prr of the transmitter?
Last Answer : The master oscillator.
Description : In addition to recovery time, what determines the minimum range of a radar set?
Last Answer : Pulse width
Description : . What determines the rate of discharge of the capacitor in a filter circuit?
Last Answer : Value of capacitance and load resistance
Description : The profile parameter (α) determines the shape of the multimode graded-index core's refractive index profile. As the value of the aincreases, how does the core's profile change?
Last Answer : From a triangular shape to step.
Description : What determines the shape and size of a soldering iron tip?
Last Answer : The type of work to be done.
Description : What determines the frequency of a tunnel-diode oscillator?
Last Answer : The tuned circuit or cavity frequency.
Description : When the repealer potential is constant, what property of the electron determines how long it will remain in the drift space of the reflex klystron?
Last Answer : Velocity.
Description : What determines the placement of the catcher cavity?
Last Answer : The frequency period of the buncher grid signal
Description : What determines the beam elevation angle of an antenna that is electronically scanned in elevation?
Last Answer : Frequency or phase of radiated energy.
Description : What determines whether a substance is a conductor or an insulator?
Last Answer : The number of valence electrons.
Description : What determines the valence of an atom?
Last Answer : The number of electrons in the outer shell.
Description : The way a magnetic head will be used determines how it is constructed. Name three factors that determine the final construction of a magnetic head.
Last Answer : a. Type of head (record, reproduce, or erase). b. Frequencies it will record or reproduce. c. Whether it will be used on a single or multitrack recorder.
Description : What determines the range of wavelengths over which meaningful data is obtained for calculating the chromatic dispersion?
Last Answer : The wavelength range of the optical source(s) used.
Description : The fiber's normalized frequency (V) determines how many modes a fiber can support. As the value of V increases, will the number of modes supported by the fiber increase or decrease?
Last Answer : Increase.
Description : What determines the bandwidth of an AM transmission?
Last Answer : The highest modulating frequency.
Description : What determines the frequency of a sine wave?
Last Answer : The rate at which the vector which is generating the sine wave is rotating.
Description : What determines the class of operation of an amplifier?
Last Answer : The amount of time (in relation to the input signal) in which current flows in the output circuit.