Working voltage - Study guides, Class notes & Summaries

Wilhelm Conrad Roentgen discovered x-ray by: - observing light emitted from a chemical compound Thomas Edison contributed greatly to the field of radiology by: - discovering the use of calcium tungstate The scientist Michael Faraday is noted for - experiments in electromagnetic induction. Roentgen discovered x-rays in: - 1895 The piezoelectric effect describes how a voltage is produced by applying stress to a certain type of crystal. This effect was discovered by: - Jacques and Pierre Curi...

NERC Prep - Bal, Int, & Trans Exam Questions and Answers Graded A+. What group can approve a change in the Disturbance Recovery Period for an Interconnection? a. NERC Interconnection Working Group b. NERC Operating Committee c. NERC Regional Council d. NERC Disturbance Analysis Working Group c. Check targets and equipment - What is the first thing an operator should do after a relay operation? a. Check power system stabilizers b. Notify adjacent Transmission and Balancing areas c. Che...

SOS Mechanic Certificate - Electrical|Complete Questions with Graded A+ Answers After installing a new battery how long should you wait to allow for pcm time no need to wait As blower motor speed decreases the voltage drop across the resistance block.... increases What should you do first when replacing junction block or fuse? Unlock the battery ground cable The polarity of the voltage applied to the electromagnetic coils of an actual working DC motor is.... a commutator ...

Fire Investigator TCFP Exam| 500+ Practice Questions and Verified Answers| 2023/ 2024 Update Q: What is the ability of a structural assembly to maintain its load-bearing capacity and structural integrity under fire conditions Answer: A.) Fire resistance Q: What would most likely need to happen for the fuel-gas product to ignite in the piping system Answer: C.) Leak from the system Q: What can the fire investigator conclude when the electrical safety devices operated ...

On a lattice boom crawler crane, the main boom length is measured from the: Center of the boom heel pins to the center of the boom tip sheave What is the main purpose of mid point suspension pendants? To absorb shock that comes with dynamic loading Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:06 / 0:15 Full screen The main purpose of a gantry or a mast on a crane is: To increase the crane's leverage on the boom ...

NCCCO CORE FINAL EXAM QUESTIONS AND ANSWERS LATEST UPDATE 2024/2025 (100% VERIFIED) Operating a mobile crane with a long boom, on uneven ground, what support condition should be considered? - ANSWER Keeping 90 degree angle between cylinder rod and pad What is the primary purpose fir a rooster sheave or auxiliary boom point sheave? - ANSWER Separate the boom hoist lines How many randomly broken wires in a lay length must there be on a mobile cranes hoist line, before it should be removed fro...

In capacitors, what is the purpose of the dielectric? - Prevent arcing within the capacitor Which of the following is true about capacitors in AC circuits? - Current leads voltage all the time What describes a capacitor s ability to store an electrical charge? - Capacitance which of the following statements is correct about polarized electrolytic capacitors? - Voltage polarity must be correct What is the time constant for a circuit with 150k ohms and 2 microfarad capacitor? - .3 seco...

NICET Level 2 ITM of Water Based Systems Questions and Answers 100% Pass When placing a LOTO on a system, how many locks should be applied? As many locks as their are personnel working on the system. A ladder must be able to support ____ times the weight of the expected load 3.3 It is acceptable to enter into a confined space without an attendant, but only if all other precautions and PPE are taken. False A defective air pressure gauge on the supply air of a dry pipe system is considered a __...

When placing a LOTO on a system, how many locks should be applied? - As many locks as their are personnel working on the system. A ladder must be able to support ____ times the weight of the expected load - 3.3 It is acceptable to enter into a confined space without an attendant, but only if all other precautions and PPE are taken. - False A defective air pressure gauge on the supply air of a dry pipe system is considered a _____ - Critical deficiency When taking a sprinkler system out of...

CWB Module Exam Questions With 100% Correct Answers Latest Update 2024 Graded A+. Creating a safe working environment is strictly the responsibility of the employer? - Correct Answer-False, it the the joint responsibility of the employer and employee. WHMIS stands for: a) Workers Health Monitoring System b) Workplace Hazardous Materials Information System c) Workers for a Healthy Manufacturing Industry Society - Correct Answer-b) Workplace Hazardous Materials Information System What are ...