Rheostats are usually rated in

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Answer :

Rheostats are usually rated in Watts and Amperes.

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Which of the methods listed is used to maintain the division of load between two compound-wound, DC generators operating in parallel? A. The shunt fields are interconnected. B. The shunt field rheostats are interconnected. C. The series fields of both generators are connected in series. D. The equalizer connection parallels the series fields of all machines.

Description : Which of the methods listed is used to maintain the division of load between two compound-wound, DC generators operating in parallel? A. The shunt fields are interconnected. B. The shunt ... generators are connected in series. D. The equalizer connection parallels the series fields of all machines.

Last Answer : Answer: D

The division of the kilowatt load between two AC generators operating in parallel is controlled by the settings and characteristics of the _____________. A. voltage regulators B. field rheostats C. reverse power relays D. prime mover governors

Description : The division of the kilowatt load between two AC generators operating in parallel is controlled by the settings and characteristics of the _____________. A. voltage regulators B. field rheostats C. reverse power relays D. prime mover governors

Last Answer : Answer: D

Which of the methods listed is used to maintain equal load sharing between two compound wound DC generators operating in parallel? A. The shunt fields are interconnected. B. The shunt field rheostats are interconnected. C. The series fields of both generators are connected in series. D. The series fields of both generators are connected in parallel.

Description : Which of the methods listed is used to maintain equal load sharing between two compound wound DC generators operating in parallel? A. The shunt fields are interconnected. B. The shunt field rheostats ... are connected in series. D. The series fields of both generators are connected in parallel.

Last Answer : Answer: D

In the motors starting purpose why the armature rheostats at maximum position while the field rheostat is kept in minimum position?

Description : In the motors starting purpose why the armature rheostats at maximum position while the field rheostat is kept in minimum position?

Last Answer : A: In the time of starting a motor the field rheostat is kept in minimum state for the high starting torque. In the time of starting a motor the armature rheostats is used to control or reduce the high starting current. This high starting current can damage the motors starting systems.

Fuses are usually rated in _____________. A. watts B. amps only C. volts only D. amps and volts

Description : Fuses are usually rated in _____________. A. watts B. amps only C. volts only D. amps and volts

Last Answer : Answer: D

The power factor at which a paralleled AC generator operates is usually adjusted by the _____________. A. connected load B. prime mover speed C. field excitation D. generator's rated voltage

Description : The power factor at which a paralleled AC generator operates is usually adjusted by the _____________. A. connected load B. prime mover speed C. field excitation D. generator's rated voltage

Last Answer : Answer: C

How are alternators usually rated?

Description : How are alternators usually rated?

Last Answer : Kilovolt-amperes (volt amperes).

A buffer amplifier is usually associated with

Description : A buffer amplifier is usually associated with (A) High input resistance (B) Low output resistance (C) Unity Voltage Gain (D) All Of the above

Last Answer : A buffer amplifier is usually associated with (A) High input resistance (B) Low output resistance (C) Unity Voltage Gain (D) All Of the above

A practical current source is usually represented by....

Description : A practical current source is usually represented by  a. A resistance in series with an ideal current source.  b. A resistance in parallel with an ideal current source.  c. A resistance in parallel with an ideal voltage source.  d. None of the above. 

Last Answer : A practical current source is usually represented by a resistance in parallel with an ideal current source.

The anode material is usually

Last Answer : The anode material is usually Nickel.

Radar antennas are usually

Last Answer : Radar antennas are usually Parabolic dishes.

Television receiver antenna is usually

Last Answer : Television receiver antenna is usually Yagi antenna.