Nav Equip and Systems - Comprehensive

Which systems provide information that is used for remote indicators and various navigational, radar, sonar, and fire control systems throughout a ship?

Which one of Newton’s laws of motion states that a body in motion continues to move in a straight line at a constant speed unless acted on by an outside force?

Which type of gyroscope is a universal-mounted, spinning mass?

How many properties does a gyroscope rotor develop when it is spinning that it does not possess when at rest?

Which term describes how a gyro reacts to any force that attempts to tilt or turn it?

What is an amplifier in which the output signal power is greater than the input signal power?

Which term means the direction that the axle is aligned or pointed?

What is a force that tends to produce rotation?

Any force operating through the center of gravity of the gyroscope does not change the angle of the plane of rotation but moves the gyroscope as a unit without changing its position in space. Such a force operating through the center of gravity is known as what?

A video amplifier is an amplifier designed to amplify a band of frequencies from 10 Hz to what?

The first step in changing the gyroscope to a gyrocompass is to make a change in which system?

Which name is given to a variety of rotary, electromechanical, position-sensing devices?

Which type of simple system should the synchro capacitor never be used in?

The advent of long-range missiles and high-speed aircraft has brought about the need for accurately transmitting very large quantities. This is best done by what type of synchro system?

Which signal lights are used to aid maintenance personnel in locating synchro trouble quickly?

Audio amplifier, RF amplifier, along with what else are the three broad categories of frequency response for amplifiers?

RF amplifiers are designed to amplify frequencies between 10 kHz and what?

How many classes of operation for an amplifier are there?

Which type of amplifier has the worst fidelity?

Low-speed prestandard synchros must be capable of continuous operation for 1,500 hours at what RPM without a load?

How many symbols meet the standard military specifications for schematic diagrams of synchros and synchro connections?

Synchros used in shipboard equipment are designed predominately for how many volts?

Prestandard synchros operate in a range of −13º F to what temperature?

When stator voltages are measured, reference is always made to what voltages instead of to a single coil's voltage?

To become a gyrocompass, a gyro must be modified so it can do how many things?

The underwater log system measures and indicates the speed of the ship in knots and the distance traveled through the water in nautical miles. How many types of underwater log systems are currently available?

If at all possible, the ship should maintain a speed of how many knots while emergency plotting is in progress, to support dead reckoning?

Which class of amplifier has the characteristics of good fidelity and low efficiency?

Which system measures the ship’s speed and the distance traveled?

For the AC voltmeter method of zeroing a synchro to be as accurate as possible, an electronic or precision voltmeter having 0- to 250-volt and a 0- to 5-volt ranges should be used. On the low scale this meter should also be able to measure voltages as low as what?

Which method is used in synchro receivers to prevent the rotor from oscillating or spinning?

How many conditions must exist for a control transformer (CT) to be on electrical zero?

Synchro torque receivers, commonly called synchro receivers, are electrically identical to torque transmitters of the same size except for the addition of some form of what?

What is probably the oldest form of navigation?

Which term means that the output signal is just like the input signal in all respects except amplitude?

Which unit of measurement are torque synchro measurements in?

Synchros are used primarily for the rapid and accurate transmission of what between equipment and stations?

What is the measurement of work?

How many volts do most aircraft synchros operate on?

What is the most widely used frequency for airborne equipment?

RF amplifiers used in television receivers usually require a bandwidth of what?

What is the process of determining a current position from the record of a previously known position, course, speed, and time traveled?

What is any undesired change in a signal from input to output?

What is a control synchro device accurately governing some type of power amplifying device used for moving heavy equipment?

Which type of synchros are used in systems that are designed to move heavy loads such as gun directors, radar antennas, and missile launchers?

Which part of a synchro is a cylindrical structure of slotted laminations on which three Y-connected coils are wound with their axes 120º apart?

Which term that describes the size of a signal?

Which type of amplifier uses two transistors whose output signals are added together to provide a larger gain (usually a power gain) than a single transistor could provide?

Which type of device enables an input signal to control an output signal?

What are the two types of damping methods?

What is a measure of how much load a machine can turn?

Standard synchros are designed to withstand surrounding temperatures ranging from −67º F to what at the terminal board?

Which type of transmitter converts the angular position of its rotor (mechanical input) into an electrical output signal?

An audio amplifier is designed to amplify frequencies between 15 Hz and what?

What are the two common types of synchro rotors in use?

The strength of the magnetic field produced by what determines the torque?

What is the angle called through which a transmitter rotor is mechanically rotated?

Which operating class is the amplifier if the amplifying device is biased in such a way that current flows in the device for 51% - 99% of the input signal?

Data that covers a wide range of values are handled very effectively and still maintain a high degree of accuracy in what type of synchro system?

What is the process known as of transferring energy between circuits?

When a symbol is used on a schematic, it will be accompanied by the military abbreviation of one of how many synchro functional classifications?

Military standard and Navy prestandard synchros are designed to operate on either 115 volts or how many volts?

What is perhaps tile fastest method of zeroing synchros?

When large amounts of power and a higher degree of accuracy are required, as in the movement of heavy radar antennas and gun turrets, torque synchro systems give way to the use of what type of synchros?

What is the reference point for alignment of all synchro units?

What is the most commonly used coupling in amplifiers?

What are used primarily for quickly locating a defective synchro?

What is accomplished by adding part of the output signal in phase with the input signal?

What is caused by a small part of the signal from the amplifier output being sent back to the input of the amplifier?

What are dead reckoning devices that are completely self-contained, which include a computer and platform or module containing accelerometers, gyroscopes, or other motion sensing devices?

What is a low voltage used in multispeed synchro systems that contain CTs to prevent false synchronizations?

Which two broad categories can the synchros used in the Navy be grouped into?

Which principle does a synchro run on?

What are the two general classifications of synchro systems?

Which frequency are syncrhos designed to operate on?

Which type of device produces two signals that differ in phase from each other from a single input signal?

Low-speed prestandard synchros must be capable of continuous operation for how many hours at 300 rpm without a load?

What is the process of sending part of the output signal of an amplifier back to the input of the amplifier called?

The turns ratios in synchros may vary widely, depending upon design and application, but there is commonly a stepdown of what between the rotor and a single coil?

Which condition exists when both transmitter and receiver rotors in a synchro system are on zero or displaced from zero by the same angle?

What is necessary to determine the actual position of the synchros rotor?

Which Control Transformer (CT) windings are considered to be the primary windings?

What is the most accurate method of zeroing a synchro?

Which rotary electromechanical devices provide outputs that are trigonometric functions of their inputs?

What is accomplished by adding part of the output signal out of phase with the input signal?

What is the estimating of the ship’s position between known navigational points or fixes?

An audio amplifier has been described as an amplifier with a frequency response from 15 Hz to what?

Which standard block diagram symbol is used for an amplifier?

Which two ways can most amplifiers be classified?

What is an amplifier in which the output signal voltage is larger than the input signal voltage?

What is probably the oldest form of navigation?

To meet military specifications, all standard synchros must be capable of continuous operation for 1,000 hours at how many revolutions per minute (rpm) without a load?

Generally, there are how many major categories of trouble occurring in synchro systems?

How many basic rules should be applied to synchro maintenance?

How many important factors must be considered to obtain maximum accuracy in a torque system consisting of one transmitter and one receiver?

In a torque system where either a TX or TDX drives several receivers, the accuracy with which each receiver follows the position-data signal applied to its stators is determined by how many factors?

How many sizes of MIL-S-20708 synchros is the clamping disc assembly made for?

What amplifies signals received and then retransmits them back to earth?

What can be used to amplify electrical signals?

Which bridge wings equipment is used for taking bearings on objects outside the ship?

What is the direction of an object from the observer, measured clockwise from the ship's heading as indicated by the lubber's line in the binnacle or the gyro repeater?

What is used in conjunction with the ship control console which includes the rudder angle order indicator-transmitter, helm angle indicator, ship's course indicator, course-to-steer indicator, magnetic compass repeater, and emergency steering switch?

The purpose of a radar indicator (repeater) is to analyze radar system echo return video and to display that information at various remote locations. How many specific inputs from the radar selected must the repeater have to present correct target position data?