Description : What is the purpose of using differential synchros instead of regular synchros?
Last Answer : Differential synchros can handle more signals than regular synchros and also perform addition and subtraction functions.
Description : What are the two types of differential synchros?
Last Answer : The TDX and the TDR.
Description : What two characteristics of IC synchros cause them to differ from standard synchros?
Last Answer : Direction of rotation and amount of torque.
Description : What type of synchros usually require the use of synchro capacitors?
Last Answer : TDXs, CDXs, and Cts.
Description : What are the three types of control synchros?
Last Answer : CX, CT, and CDX.
Description : What type of equipment normally uses 26-volt 400-hertz synchros?
Last Answer : . Aircraft.
Description : Where are the external connections made on standard synchros?
Last Answer : At the terminal board.
Description : Compare the power sources of synchros and step transmission systems.
Last Answer : Synchros use ac; step transmission uses dc.
Description : The purpose of a voltage regulator is to provide an output voltage with little or no __
Last Answer : Variation.
Description : The purpose of a voltage regulator is to provide an output voltage with little or no _
Description : What impedance relationship between the output of one circuit and the input of another circuit will provide the maximum power transfer?
Last Answer : Equal impedance.
Description : What is Synchros?
Last Answer : Synchros is a device used to convert an angular motion to an electrical signal or vice versa.
Description : Generators convert mechanical motion to electrical energy using what principle?
Last Answer : Magnetic induction
Description : What is the advantage of using in-line wattmeters over output power meters?
Last Answer : Most in-line wattmeters are capable of measuring both forward and reflected power.
Description : Why does using ac vice dc bias voltage result in a stronger output signal?
Last Answer : Because an ac bias voltage of the proper frequency and level places the input signal away from both steps in the magnetism curve. The result is two undistorted output signals that are combined into one strong output.
Description : Using table 1-2, determine the resistance of 1,500 feet of AWG 20 wire at 25º C.
Last Answer : 1,000 ft = 10.4 ohms1,500 ft = 1.5 × 0.4 = 15.6 ohms
Description : How do electromechanical computers differ from the mechanical computers?
Last Answer : Electromechanical computers use electrical components to perform some of the calculations.
Description : Mechanical computers are considered to be of what type?
Last Answer : Analog.
Description : What are the three causes of mechanical drift in a gyro?
Last Answer : Unbalanced gyro, inertia of gimbals, bearing friction
Description : What is the term applied to the rate at which a mechanical or electrical force causes motion?
Last Answer : Power
Description : It is a… of soil to provide favorable condition for crop production. a. Chemical manipulation. c) Mechanical & chemical manipulation b. Mechanical manipulation d) none of the above
Last Answer : Mechanical manipulation
Description : is the mechanical manipulation of soil to provide favorable condition for crop production. A. Power tiller C. Rotary tiller B. Tillage D. Disc plough
Last Answer : Tillage
Description : If the input force on a simple machine is 2 N and the output force is 4 N what is it and mechanical advantage?
Last Answer : 80 Is the Output force
Description : What is the mechanical efficiency if the input is 1000 and the output work is 600?
Last Answer : It is 0.6
Description : A pulley has a mechanical advantage of 1. What does this tell you about the size and direction of the input and output forces?
Last Answer : its like a input or output
Description : What is a light pen? A) Mechanical Input device B) Optical input device C) Electronic input device D) Optical output device
Last Answer : Answer : B
Description : Which of the following statements(s) is/are true concerning human energy requirement? a. In normal subjects, less than 5% of basal energy requirement is spent on cardiac output and the ... d. Similar increases in energy expenditures are associated with elective surgery and trauma or thermal injury
Last Answer : Answer: a, c Basal energy requirements are measured with the subject at rest when no external work is being done; the energy is used mainly for transport and synthetic work within cells. A ... average-sized adult who sustains a major burn rarely may require more than 3500 kcal/day for maintenance
Description : Which printers produce output by mechanical contact between the print head and paper? A. Impact B. Non-impact C. Both (A) and (B) D. None of the Above
Last Answer : A. Impact
Description : What is a light pen? a) A Mechanical Input device b) Optical input device c) Electronic input device d) Optical output device
Last Answer : b) Optical input device
Description : When the nurse observes that the patient's systolic blood pressure is less than 80-90 mm Hg, respirations are rapid and shallow, heart rate is over 150 beats per minute, and ... d) Irreversible In refractory or irreversible shock, the patient requires complete mechanical and pharmacologic support.
Last Answer : a) Compensatory In compensatory shock, the patient’s blood pressure is normal, respirations are above 20, and heart rate is above 100 but below 150.
Description : A three phase induction motor is drawing 16 Ampere at 440 Volts. If the operating power factor of the motor is 0.90 and the motor efficiency is 92%, then the mechanical shaft power output of the motor is a) 12.04 kW b) 10.09 kW c) 10.97 kW d) None of the above
Last Answer : b) 10.09 kW
Description : The component of electric power which yields useful mechanical power output is known as a) apparent power b) active power c) reactive power d) none of the above
Last Answer : b) active power
Description : Sensing organs as input, mechanical movement organs as output and central nervous system (CNS) in brain as control and computing devices is known as _____ of human being A. Information Control Paradigm B. Information Processing Paradigm C. Information Processing Control D. None of above
Last Answer : B. Information Processing Paradigm
Description : In a d.c. motor, the mechanical output power actually comes from?
Last Answer : In a d.c. motor, the mechanical output power actually comes from electrical input power.
Description : Which components provide the regenerative feedback signal in the phase-shift oscillator?
Last Answer : Resistor-capacitor networks.
Description : LEDs operating at 850 nm provide sufficient optical power for short-distance, low-bandwidth multimode systems. List three conditions that prevent the use of LEDs in longer distance, higher bandwidth multimode systems.
Last Answer : Multimode fiber dispersion, the relatively high fiber attenuation, and the LED's relatively low optical output power.
Description : List three benefits that properly cabled optical fibers provide.
Last Answer : a. Protect optical fibers from damage or breakage during installation and over the fiber's lifetime. b. Provide stable fiber transmission characteristics compared with uncabled fibers. c. Maintain the physical integrity of the optical fiber.
Description : Multimode step-index fibers have relatively large core diameters and large numerical apertures. These provide what benefit?
Last Answer : Make it easier to couple light from a light-emitting diode (LED) into the fiber.
Description : What type of computers are small and inexpensive yet provide a lot of computing power?
Last Answer : Microcomputers and minicomputers.
Description : What agencies provide training, tools, equipment, and certification of the 2M system?
Last Answer : Naval Sea Systems Command (NAVSEASYSCOM) and Naval Air Systems Command (NAVAIRSYSCOM)
Description : What capability does a transmitter transfer switchboard provide?
Last Answer : Transferring remote control functions and signals to transmitters.
Description : What do wide area networks provide for?
Last Answer : Global connections.
Description : What is used to provide the ohmmeter with several ranges?
Last Answer : An ohmmeter has several internal range resistors and a switch or a series of jacks to select the proper range.
Description : A two-input X-OR gate will produce a HIGH output when the inputs are at what logic levels?
Last Answer : . One or the other of the inputs must be HIGH, but not both at the same time.
Description : If If the input signals are 180 degrees out of phase with each other and a combined output is taken between the two output terminals, what will the amplitude of the combined output signal be?
Last Answer : 200 millivolts.
Description : If the single-input, differential-output, differential amplifier has an output signal taken between the two output terminals, what will the peak-to-peak amplitude of this combined output be?
Last Answer : 200 millivolts. A-18. a. Differential amplifier
Description : If the two input signals to a difference amplifier are equal in amplitude but neither in phase nor 180 degrees out of phase, what will the output signal be?
Last Answer : . A different shape than the input signals but larger in amplitude.
Description : If the two input signals to a difference amplifier are equal in amplitude and 180 degrees out of phase, what will the output signal be?
Last Answer : Equal in shape and frequency to each input signal and larger in amplitude by two times than
Description : . If the two input signals of a difference amplifier are in phase and equal in amplitude, what will the output signal be?
Last Answer : No output (the signals will "cancel out").