CETA Practice Test REAL EXAM QUESTIONS WITH VERIFIED CORRECT ANSWERS

CETA Practice Test REAL EXAM QUESTIONS WITH VERIFIED CORRECT ANSWERS 1. What does the acronym ESD stand for? A. Electrostatic Discharge B. Electrostatic Device C. Electromagnetic Sensitivity Diac D. Electrostatic Damage - ANSWER A. Electrostatic Discharge 2.Current amounts between ______ and _____ can be lethal. A. 100mA, 200mA B. 10mA, 33.3mA C. 33.3, 75.6mA D. 4mA, 10mA - ANSWER A. 100mA, 200mA 3. What is the number one concern in regards to electrical safety? A. Proper grounding B. ESD C. Shock D. Faulty equipment - ANSWER C. Shock 4. Bohr's Atomic Model consists of what three components? A. Neutrons, ion, neutrinos B. Protons, neutrons and cations C. Tachyons gravitons and electrons D. Protons, neutrons and electrons - ANSWER D. Protons, neutrons and electrons 5. Electrons are arranged in _____ around a nucleus. A. orthogonal lattices B. shells C. loops D. spheres - ANSWER B. shells 6. What are three types of materials used in electronics? A. Conductors, semi-conductors and insulators B. Semi-conductors, insulators and semi-insulators C. Insulators, conductors and interions D. Conductors, insulators and regulators - ANSWER A. Conductors, semi-conductors and insulators 7. In the United States there are five common classifications of fires, which are: A. A, C, D, K, M. B. A, B ,C, D, E. C. A, B, C, E, M. D. A, B, C, D, K. - ANSWER D. A, B, C, D, K. 8.Coulomb's Law describes the forces of attraction or repulsion between electrical charges, which are ______________ to the product of the charges ______________ to the distance between them. A. directly proportional, inversely proportional B. inversely proportional, directly proportional C. indirectly proportional, directly proportional D. inversely proportional, indirectly proportional - ANSWER A. directly proportional, inversely proportional 9. The magnetic field that surrounds a magnet can best be described as invisible lines of force, and are commonly referred to as: A. lines of flux. B. lines of density. C. lines of attraction. D. lines of flux proportionality. - ANSWER A. lines of flux. 10. An analog multimeter (AMM) checks for: A. voltage, resistance and inductance. B. voltage, resistance and capacitance. C. current, resistance and capacitance. D. voltage, current and resistance. - ANSWER D. voltage, current and resistance. 11. An oscilloscope with two vertical inputs, is commonly referred to as a _______ oscilloscope. A. multi-trace B. dual-trace C. sweep trigger-trace D. modulation-trace - ANSWER B. dual-trace 12. Voltage or potential difference is the measure of potential energy between two points in a circuit and is commonly referred to as: A. voltage drop. B. voltage flow.