What is the purpose of a heat shunt?

1 Answer

Answer :

To prevent damage to heat-sensitive components.

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Description : The purpose of resistor bank 'R1-R5' in the winch circuit shown in the illustration is to ______________. EL-0102 A. limit armature current in lower and 'series field' current in hoist to ... required speeds D. regulate the strength of the brake solenoid 'B1-B2' in both directions of operation

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Description : Give purpose and location of following signals, 1) Warner: 2) Co-acting: 3) Shunt: 4) Detonating:

Last Answer : Ans: 1) Warner signal - When in 'on' position, it indicates that the signal ahead is at danger and driver must be prepared to stop at next signal. When in off' position it indicates that ... to the driver of approaching train. These are placed on the rails and explode when engine passes over them.

Last Answer : The purpose of retardation test on D.C. shunt machines is to find out stray losses.

Description : If a delicate component must be soldered into a circuit, the component may be protected from the heat of the soldering process by _____________. A. operating the soldering gun not more than 60 seconds at ... oxidizing the leads to be soldered D. coating the leads to be soldered with a light oil film

Last Answer : Answer: B

Description : External shunts are sometimes used with ammeters to _______. A. increase meter sensitivity B. permit shunts with larger resistances to be utilized C. prevent damage to the meter movement from heat generated by the shunt D. enable the construction of a compact meter with a virtually unlimited range

Last Answer : Answer: C

Description : What is the purpose of a lacing shuttle?

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Description : Besides presenting a neat appearance and supporting each other, what is the other purpose for lacing conductors?

Last Answer : To aid in tracing the conductors when alterations or repairs are required.

Description : What purpose does flux serve in the soldering process?

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Description : Hybrid rings are used primarily for what purpose?

Last Answer : High-power duplexes.

Description : What is the purpose of the absorbent material in a directional coupler?

Last Answer : Absorb the energy not directed at the pick-up probe and a portion of the overall energy

Description : What is the primary purpose of a directional coupler?

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Description : What is the primary purpose of a dummy load?

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Description : What is the purpose of D1 in figure 4-43?

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Description : What is the purpose of C3?

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Description : What is the purpose of R2?

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Description : What is the purpose of R1?

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Description : What is the purpose of a frequency-determining network in an rf amplifier?

Last Answer : To provide maximum impedance at the desired frequency.

Description : What is the purpose of R5?

Last Answer : A swamping resistor for L2

Description : What is the purpose of L2?

Last Answer : A series peaking coil for Q1.

Description : What is the purpose of R4?

Last Answer : A part of the low-frequency compensation network for Q1.

Description : What is the purpose of C1?

Last Answer : A decoupling capacitor for the effects of R2

Description : What is the purpose of L3?

Last Answer : A shunt peaking coil for Q2.

Description : What is the purpose of "stickoff voltage"?

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

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

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

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Description : The base of a transistor serves a purpose similar to what element of the FET

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Description : What is the purpose of the rectifier in a magnetic amplifier?

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Description : What is the purpose of the regulator section?

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Description : What is the purpose of the filter section?

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Description : What is the purpose of the rectifier section?

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Description : What is the purpose of a synchronizing network in a servo system?

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Description : What is the purpose of a demodulator in a servo system?

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Description : What is the purpose of the green conductor in a power tool or electrical appliance cable?

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