Pipefitter Apprentice Exam

Pipefitter Apprentice Exam Which of the following meters doesn't change its reading due to pressure differences? A. Thermometer B. Altimeter C. Manometer D. Ammeter E. Barometer - 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 - 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 - C. Effort Effort - the force applied in order to lift the weight. Gravity - a constant force which gives weight to objects. Friction - a force that resists the relative motion of two objects in contact. Diode - 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 - 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 - D. Watt Which of the following is not a good electrical insulator? A. Distilled Water B. Air C. Glass D. Mineral Water E. Plastic - D. Mineral Water Which of the following indicates whether a surface is horizontal? A. Screwdriver B. Level C. Sculpting Tool D. Spanner E. Loom - B. Level Which of the following is a measurement unit for electric current? A. Ampere B. Ohm C. Coulomb