Pipefitter Apprentice Exam (A+ GRADED)

Which of the following meters doesn't change its reading due to pressure differences? A. Thermometer B. Altimeter C. Manometer D. Ammeter E. Barometer correct answers D. Ammeter Which of the following components restricts the electric current flow to a single direction? A. Condenser B. Diode C. Resistor D. Transducer E. Switch correct answers B. Diode Which of the following, if increased, would not require exertion of additional force to lift an object? A. Gravity B. Friction C. Effort D. Load Mass correct answers C. Effort Effort correct answers the force applied in order to lift the weight. Gravity correct answers a constant force which gives weight to objects. Friction correct answers a force that resists the relative motion of two objects in contact. Diode correct answers an electrical component which is mainly used to restrict electrical flow to one direction - similar to a check valve in water flow - by having high resistance in one direction and low resistance in the other. Watt correct answers the electrical unit of electric power. It measures the rate of consumed energy, or specifies the rate at which electrical energy is dissipated. Which of the following is a measurement unit for electrical power? A. Ampere B. Ohm C. Coulomb D. Watt E. Volt correct answers D. Watt