What precaution should you take when substituting a synchro tester in a circuit for a transmitter?

What precaution should you take when substituting a  synchro tester in a circuit for a transmitter?
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1 Answer

Answer :

Use only one receiver so as not to overload the tester.
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Related questions

When you zero a synchro with a synchro tester, what is indicated by a jump in the synchro tester's dial when the S1 and S3 leads are momentarily shorted?

Description : When you zero a synchro with a synchro tester, what is indicated by a jump in the synchro tester's dial when the S1 and S3 leads are momentarily shorted?

Last Answer : The synchro under test is not on electrical zero.

What is the physical difference between a synchro transmitter and a synchro receiver?

Description : What is the physical difference between a synchro transmitter and a synchro receiver?

Last Answer : A synchro receiver uses some form of damping to retard excessive oscillations or spinning.

Describe the zero-position of a synchro transmitter.

Description : Describe the zero-position of a synchro transmitter.

Last Answer : The transmitter is in its zero-position when the rotor is aligned with the S2 stator winding.

What unit of measurement refers to the torque of a synchro transmitter

Description : What unit of measurement refers to the torque of a synchro transmitter

Last Answer : Ounce-inches.

Prior to substituting a diode, what measurements should you take to determine its condition?

Description : Prior to substituting a diode, what measurements should you take to determine its condition?

Last Answer : Voltages and resistances.

What type of indicator is usually placed in the stator circuit of a torque synchro system?

Description : What type of indicator is usually placed in the stator circuit of a torque synchro system?

Last Answer : An overload indicator.

How are synchro capacitors connected in a circuit?

Description : How are synchro capacitors connected in a circuit?

Last Answer : They are delta-connected across the stator windings.

The rotor of a synchro transmitter: -

Description : The rotor of a synchro transmitter: -  a) uses a salient pole type of construction b) uses a cylindrical pole type of construction c) may use either salient pole or cylindrical type of construction d) none of the above

Last Answer : The rotor of a synchro transmitter: - uses a salient pole type of construction

What precaution should you take when you use 115 volts to zero a differential?

Description : What precaution should you take when you use 115 volts to zero a differential?

Last Answer : Never leave the circuit energized for more than 2 minutes.

What safety precaution should you take when working with extruded polytetrafluoroethylene insulated wiring?

Description : What safety precaution should you take when working with extruded polytetrafluoroethylene insulated wiring?

Last Answer : Avoid breathing the vapors when the insulation is heated.

What safety precaution must be taken before replacing a transistor?

Description : What safety precaution must be taken before replacing a transistor?

Last Answer : The power must be removed from the circuit.

What safety precaution must you observe when soldering or hot-wire stripping fluoroplastic insulated wire?

Description : What safety precaution must you observe when soldering or hot-wire stripping fluoroplastic insulated wire?

Last Answer : Adequate ventilation.

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

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

Last Answer : The voltmeter method.

. What type of synchro system is used to transmit very large quantities?

Description : . What type of synchro system is used to transmit very large quantities?

Last Answer : A tri-speed synchro system.

In a dual-speed synchro system what determines the two specific speeds at which the data will be transmitted?

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.

What is the most probable cause of trouble in a synchro system that has all of its receivers reading incorrectly?

Description : What is the most probable cause of trouble in a synchro system that has all of its receivers reading incorrectly?

Last Answer : The transmitter or main bus.

Name two types of trouble you would expect to find in a newly installed synchro system.

Description : Name two types of trouble you would expect to find in a newly installed synchro system.

Last Answer : Improper wiring and misalignment.

What should you do with a synchro that has a bad set of bearings?

Description : What should you do with a synchro that has a bad set of bearings?

Last Answer : Replace it.

What method of zeroing a synchro is perhaps the fastest but NOT necessarily the most accurate?

Description : What method of zeroing a synchro is perhaps the fastest but NOT necessarily the most accurate?

Last Answer : . The electrical lock method.

When you zero a multispeed synchro system which synchro should you zero first?

Description : When you zero a multispeed synchro system which synchro should you zero first?

Last Answer : The coarse synchro.

Why should a synchro be rechecked for zero after it is clamped down?

Description : Why should a synchro be rechecked for zero after it is clamped down?

Last Answer : To ensure that it did not move off zero while it was being clamped.

When is a synchro receiver (TR) properly zeroed?

Description : When is a synchro receiver (TR) properly zeroed?

Last Answer : A TR is zeroed when electrical zero voltages exist across its stator windings at the same time its rotor is on zero or on its mechanical reference position.

What is the purpose of the coarse setting of a synchro?

Description : What is the purpose of the coarse setting of a synchro?

Last Answer : .It ensures the synchro is on 0º, not 180º.

What is the main reason for using a multispeed synchro system instead of a single-speed synchro system?

Description : What is the main reason for using a multispeed synchro system instead of a single-speed synchro system?

Last Answer : Greater accuracy without the loss of self-synchronous operation.

What is the name given to the synchro system that transmits data at two different speeds?

Description : What is the name given to the synchro system that transmits data at two different speeds?

Last Answer : . A dual or double-speed synchro system.

Why are synchro capacitors placed physically close to differentials transmitters and CTs?

Description : Why are synchro capacitors placed physically close to differentials transmitters and CTs?

Last Answer : To keep the connections as short as possible in order to maintain system.

What type of current is eliminated by synchro capacitors?

Description : What type of current is eliminated by synchro capacitors?

Last Answer : Magnetizing current.

What type of synchros usually require the use of synchro capacitors?

Description : What type of synchros usually require the use of synchro capacitors?

Last Answer : TDXs, CDXs, and Cts.

What is the purpose of the synchro capacitor?

Description : What is the purpose of the synchro capacitor?

Last Answer : To improve overall synchro system accuracy by reducing stator currents.

In a control synchro system, when is the output of the CT reduced to zero?

Description : In a control synchro system, when is the output of the CT reduced to zero?

Last Answer : When the CX and CT rotors are in correspondence.

What type of synchro is used in systems requiring large amounts of power and a high degree of accuracy?

Description : What type of synchro is used in systems requiring large amounts of power and a high degree of accuracy?

Last Answer : A control synchro.

What determines whether a differential synchro adds or subtracts?

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.

What leads in a simple synchro system are connected to the ac power line?

Description : What leads in a simple synchro system are connected to the ac power line?

Last Answer : The rotor leads.

What two components make up a simple synchro transmission system?

Description : What two components make up a simple synchro transmission system?

Last Answer : A synchro transmitter and a synchro receiver.

What method is used to prevent oscillations in large synchro units?

Description : What method is used to prevent oscillations in large synchro units?

Last Answer : Mechanical damping.

When will a synchro generate more heat than it is designed to handle?

Description : When will a synchro generate more heat than it is designed to handle?

Last Answer : Synchros have one primary winding that can be turned through 360º and three secondary windings spaced 120º apart.

In a TDX system with standard synchro connections, the TX rotor is at 120º and the TDX rotor is at 40º. What position will the TR indicate?

Description : In a TDX system with standard synchro connections, the TX rotor is at 120º and the TDX rotor is at 40º. What position will the TR indicate?

Last Answer : . 80º.

What are the two major components of a synchro?

Description : What are the two major components of a synchro?

Last Answer : The rotor and the stator.

On the synchro schematic symbol, what indicates the angular displacement of the rotor?

Description : On the synchro schematic symbol, what indicates the angular displacement of the rotor?

Last Answer : . The position of the arrow.

Which of the two synchro designation codes is indicated by 5DG on a synchro nameplate?

Description : Which of the two synchro designation codes is indicated by 5DG on a synchro nameplate?

Last Answer : The Navy prestandard designation code.

What does the code 26V-11TX4D mean on a synchro nameplate?

Description : What does the code 26V-11TX4D mean on a synchro nameplate?

Last Answer : It is the third modification of a 26-volt 400-hertz (torque) synchro transmitter whose body diameter is between 1.01 and 1.10 inches

What is the difference between a torque synchro and a control synchro?

Description : What is the difference between a torque synchro and a control synchro?

Last Answer : A torque synchro is used for light loads and a control synchro is used in systems desired to move heavy loads.

Name the two general classifications of synchro systems

Description : Name the two general classifications of synchro systems

Last Answer : Torque and control.

What is the primary purpose of a synchro system?

Description : What is the primary purpose of a synchro system?

Last Answer : Precise and rapid transmission of data between equipment and stations.

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Description : You are using a mechanical voltage tester to check the fuses in a three-phase circuit supplying an electric motor. For which of the following reasons must the motor be stopped during the test? A. ... circuit would be indicated by the voltage tester with the circuit energized. D. All of the above.

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Which of the following actions must be carried out before a voltage tester can be used to test the three line fuses to a three-phase motor? A. The fuses must be removed from the circuit. B. The starter must be placed in the STOP position to stop the motor. C. The three line connections in the motor terminal box must be disconnected and tagged. D. Nothing need be done as long as the motor is running under a light load.

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