Description : What determines the number of field poles required to establish a rotating magnetic field in a multiphase motor stator?
Last Answer : The number of phases in the applied voltage.
Description : . What three factors determine the amplitude of the voltage induced into a stator winding?
Last Answer : The amplitude of the primary voltage, the turns ratio, and the angular displacement between the rotor and the stator winding.
Description : What three main factors determine the amount of refraction in the ionosphere?
Last Answer : (a) density of ionization of the layer (b) frequency (c) angle at which it enters the layer
Description : . What are two of the three physical factors that determine the values of capacitance and inductance of a transmission line?
Last Answer : (1) Type of line used, (2) dielectric in the line, and (3) length of line.
Description : What three factors determine the type, size, and shape of an antenna?
Last Answer : Frequency of operation of the transmitter, amount of power to be radiated, and general direction of the receiving set.
Description : Pick up the correct statement from the following: (A) The direction of the littoral drift depends upon the direction of the wave with respect to the coastline (B) The direction of a river opening to the sea ... avoid a build up of sand on one side and erosion on the other (D) all of the above
Last Answer : (D) all of the above
Description : When magnetic tapes are ruined, what three factors are normally the cause?
Last Answer : Poor handling, improper storage, or shipping damage.
Description : What factors determine the rigidity of a gyro?
Last Answer : Rotor speed, weight, shape.
Description : What factors determine the direction of rotation in a dc motor?
Last Answer : Direction of armature current, and direction of magnetic flux in field.
Description : What factors determine the value of the multiplier resistor?
Last Answer : The current required for full-scale deflection, and the range of the voltage to be measured.
Description : hat two factors determine the directivity pattern of the parasitic array?
Last Answer : Length of the parasitic element (tuning) and spacing between the parasitic and driven elements.
Description : What two factors determine the frequency of the output voltage of an alternator?
Last Answer : Speed of rotation and number of poles.
Description : List four factors that can degrade the frequency response of magnetic tape recorders.
Last Answer : a. A too-high or too-low bias signal level setting for the record head. b. An improper reproduce head gap. c. An improper tape transport speed. d. Poor tape-to-head contact.
Description : What two preventive maintenance actions must you do regularly to increase magnetic head life and to ensure good tape recording and playback?
Last Answer : a. Keep the heads clean. b. Keep the heads demagnetized.
Description : What method for erasing magnetic tape is much more effective and reliable than using a recorder’s erase head?
Last Answer : Using a magnetic tape degausser
Description : What are two disadvantages of using a recorder’s erase head to erase data recorded on a magnetic tape?
Last Answer : Using an erase head is slow, and it may not completely erase the tape.
Description : How may R-S FFs be constructed?
Last Answer : By cross-coupling NAND or OR gates.
Description : What type of flowchart is constructed by the programmer to represent the sequence of operations the computer is to perform to solve a specific problem?
Last Answer : A programming flowchart.
Description : What type of rectifier is constructed by sandwiching a section of semiconductor material between two metal plates?
Last Answer : Metallic rectifier.
Description : List four system topologies that can be constructed using point-to-point fiber optic links.
Last Answer : Linear bus, ring, star, and tree topologies.
Description : To maintain the required balance of phase relationships and critical feeding, how must the end-fire array be constructed?
Last Answer : Symmetrically.
Description : The transmit and receive elements of a sound-powered telephone handset are _____________. A. identical and can be used for either function B. of similar construction but different enough to be used only for ... only for its own function D. constructed so that each can fit only in its own recess
Last Answer : Answer: A
Description : In the construction of a twospan bridge (span length = L) by using spanbyspan construction, why is a length of about 1.25L bridge segment is constructed in the first phase of construction?
Last Answer : Basically, there are mainly three reasons for this arrangement: (i) The permanent structure is a statically indeterminate structure. During construction by using spanbyspan construction, if the ... 25L from the first pier where there is relatively more space to accommodate prestressing works.
Description : What factor determines how much households can spend on final goods and services?
Last Answer : Need answer
Description : A decree becomes final (a) When no appeal has been preferred against the decree (b) When it conclusively determines the rights of the parties (c) Neither (a) nor (b) (d) Both (a) & (b)
Last Answer : (d) Both (a) & (b)
Description : Why is the headline of a print advertisement such a critical component of the copy? A)It determines the final layout design. B)It is often the only part of the advertisement that is read. C)It takes up the most space. D)It links the copy to the signature. E)It links the artwork to the signature.
Last Answer : B)It is often the only part of the advertisement that is read.
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 : What factor determines whether a radio wave is reflected or refracted by the ionosphere?
Last Answer : Thickness of ionized layer.
Description : In an externally synchronized radar, what determines the prr of the transmitter?
Last Answer : The master oscillator.
Description : What factor determines the difference between the transmitted frequency and the received frequency in an fm transmitter?
Last Answer : Travel time.
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 is the main factor that determines receiver sensitivity?
Last Answer : Noise
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 : What factor determines the direction a gyro will precess in response to a particular force?
Last Answer : Direction of spin.