Metallic bonding Study guides, Class notes & Summaries

NEC Article ______ defines breakers and fuses. - Answer According to NEC Article 100, a device that opens and closes a circuit by nonautomatic means automatically closes for a predetermined overcurrent. Annex _____ of NEC covers conduit fill. - Answer Annex C of NEC covers conduit and tubing fill for conductors and fixture wire fill. NEMA stands for National Electrical Manufacturers Association - Answer True - NEMA is the acronym for National Electrical Manufacturers Association. What d...

Electrical Journeyman Test Study Guide A fixed light will be allowed to be 30 amp provided the socket is rated ____ duty. a. Light b. Medium c. Heavy d. Extra Heavy - c. Heavy From the Skilled Trades Act, Section 7 "Except as otherwise provided in this article or in subsection (3), and individual other than an individual who is licensed under this article and ______________ working under the direction of a holder of an electrical contractors licence, shall not in any manner underta...

Fracture is a type of material failure. Of the following which is another type of material failure? - Permanent deformation. Which of the following statements best differentiates between a defect and a discontinuity? - Discontinuities can propagate and become defects. Nondestructive testing is often differentiated from other measurements or inspection techniques in that: - NDT involves indirect tests related to some other quality or characteristic of material. What are the functions of ...

Electrician's Licensing Exam Questions And Answers 100% Verified NEC Article ______ defines breakers and fuses. - answerAccording to NEC Article 100, a device that opens and closes a circuit by nonautomatic means automatically closes for a predetermined overcurrent. Annex _____ of NEC covers conduit fill. - answerAnnex C of NEC covers conduit and tubing fill for conductors and fixture wire fill. NEMA stands for National Electrical Manufacturers Association - answerTrue - NEMA is the acr...

AQA AS level Chemistry exam 2024 questions with 100% correct answers Nucleons - ANSWERS Protons and neutrons Electrons (location) - ANSWERS Surrounding the nucleus Relative mass of an electron - ANSWERS 1/1840 Strong nuclear force - ANSWERS The way protons and neutrons are held together in the nucleus Electrostatic forces - ANSWERS The attraction between protons and electrons that hold them together in the atom Atomic Number (Z) - ANSWERS The number of protons in the nucleus Mass nu...

BTEC Applied Science Unit 1 Chemistry - Distinction. How many electrons can an s subshell hold? correct answer2 How many electrons can a p subshell hold? correct answer6 How many electrons can a d subshell hold? correct answer10 Which subshells are available in the first energy level? correct answers Which subshells are available in the second energy level? correct answers and p Which subshells are available in the third energy level? correct answers, p and d What is Hund's rule? correct ...

AQA GCSE Chemistry Exam Questions With 100% Correct Answers What is a compound? - answerwhen two or more elements react together What is an atoms? - answerthe smallest part of an element that can still be recognised as that element What is a molecule? - answerwhen atoms join together by chemical bonds What is an ion? - answera charged particle produced by the loss or gain of electrons How do the atoms of elements gain stable electronic structures? - answerjoining together by sharing elec...

Journeyman Exam 1 & 2 Questions and Answers Already Passed _______ can be generated. I. Electricity II. Electrical Energy a. I only b. II only c. both I and II d. neither I nor II Ans. b A phenomenon where a circuit stores electrical energy is called ______. a. Inductance b. Capacitance c. Resistance d. Susceptance Ans. b A general term including material, fittings, devices, appliances, fixtures, apparatus, and the like used as part of, or in connection with, an electrical installation...

A LEVEL CHEMISTRY WITH VERIFIED QUESTIONS AND ANSWERS Weak acid - an acid that is only slightly ionised/dissociated in aqueous solution Oxidation - loss of electrons Reduction - gain of electrons Ionic bonding - The electrostatic attraction between oppositely charged ions Covalent bonds - sharing of a pair of electrons Electronegativity - the ability of an atom to attract the electrons in a covalent bond Relative atomic mass - The weighted mean mass of an atom of an element ...

Semmelweis Entrance Exam (N) 2024/2025 Questions with Complete Solutions The mole concept - Correct Answer A method that allows the relative number of reactant particles involved in a chemical reaction to be known Avogadro's number - Correct Answer number of representative particles in a mole, 6.02 X 10^23 Basic structures of atoms - Correct Answer There is a nucleus in the center surrounded by an electron cloud or field Quantum numbers - Correct Answer Quantum numbers describe values...