What is a capacitor - Study guides, Class notes & Summaries

most important law to the study of electricity - Answer-ohms law What type extinguishing agent is usually associated with a conventional type extinguishing system? - Answer-CO2 What steps must be taken to prepare an aircraft for a 100-hour inspection? - Answer-Remove or open all necessary inspection plates, access doors, fairing and cowling. Then thoroughly clean the aircraft and the engine. What is a magneto? - Answer-self-contained AC generator What are the three parts of an igniti...

When you replace a capacitor, the replacement can be ______ the rating of the current capacitor. 10% under 10% over 15% over 20% over - ANSWER ☑☑10 % over How many acres of flooded land would be considered a flood? 1/2 acre 1 acre 2 acres 3 acres - ANSWER ☑☑2 acres What is the minimum overlap for aluminum tape? 2" 1" 3/4" 1/2" - ANSWER ☑☑1" Which of the following is not a type of compressor? crew combustion scroll centrifugal - ANSWER ☑☑c...

CETa Practice Test Questions and Answers Already Passed What is voltage in an electrical circuit? a. The rate of flow of electric charge b. The total resistance in a circuit c. The electrical potential difference between two points d. The energy consumed by a circuit What unit is used to measure electrical frequency? a. Volts b. Amperes c. Hertz d. Ohms What is the purpose of a resistor in a circuit? a. To increase voltage b. To store electrical energy 2 c. To lim...

HVAC Electrical Final Test Questions and Answers Graded A+ Split-phase motor PSC CSCR Shaded pole motor Resistance reading to ground from the terminal of a good compressor CSR Best starting and running single-phase compressor A. Uses a start and run winding B. Uses a run capacitor C. Uses a run capacitor, start capacitor, and potential relay D. Simplest motor E. 3 megohms F.Only uses a start capacitor G. CSCR motor How much resistance will be measured...

NCCER Review Questions And Answers The density of a liquid affects the displacer's: length height buoyancy - ANS-buoyancy What mode MUST the controller be in before any changes are made to the process variable? automatic manual shut-down power off - ANS-manual Bills of material are found in: general arrangement drawings P&ID piping orthographics instrument detail drawings - ANS-general arrangement drawings When bench calibrating a temperature RTD transmitter, the ...

ATT Test 4 (NEW 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Graded A QUESTION Low XC is associated with a long or short TC? Answer: Long QUESTION Is voltage small or large across a capacitor with low XC? Answer: Small QUESTION High XC is associated with a long or short TC? Answer: Short (because XC is small) QUESTION Is voltage small or large across a capacitor with high XC? Answer: Large (because XC is high) ...

What constitutes a capacitor? CORRECT ANSWER Two conductors separated by an insulator. What is the purpose of a capacitor? CORRECT ANSWER It stores electrical energy in electrostatic fields. Does a capacitor in an AC cause the current to lead or lag the voltage? CORRECT ANSWER It causes the current to lead the voltage. What is the basic unit of capacitance? CORRECT ANSWER The farad. Why should electrolytic capacitors not be used in an AC circuit? CORRECT ANSWER They are polarized, An...

An employee de energizes a piece of equipment by removing the power plug from the outlet . If the employee continues to hold on to the power plug once removed , this employee is said to have what type of control over the energy potential ? A. Isolation control B. Lockout tagout C. Exclusive control D. Remote control C. Exclusive control What can happen if an instrument is getting too much EMI noise A. It can lead to instrument inaccuracy B. It can lead to instrument damage C. ...

Esco Electrical Certification Exam 2023 Questions and Answers What is current flow? D.The flow of electrons in a circuit What is impedance? A.Opposition to alternating current Like charges will B.Repel each other Any material that will readily release electrons is called: B.A conductor The symbol for current is: B. I Electricity can produce: D. All the above light heat magnetism The safety ground conductor is usually colored: B.Green An electron has: B.A negative charge Whi...

1. the density of a fluid affect the displacers a. location b. buoyancy c. length d. height b 2. what mode must the controller be in before any changes are made to the process variable a. manual b. automatic c. shut down d. power off a 3. bills of material are found in a. General Arrangement drawings b. instrument detail drawings c. piping orthographics d. p&id a 4. when bench calibrating a temperature RTD transmitter, the the instrument technician should apply ...