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Which of the following directly affects the efficiency of a car engine?: * A) Octane of the gas B) Weight of the car C) Temperature of the gas when it is burned D) Number of cylinders

Which of the following directly affects the efficiency of a car engine?: * A) Octane of the gas B) Weight of the car C) Temperature of the gas when it is burned D) Number of cylinders

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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12) Which of the following directly affects the efficiency of a car engine?: * A) Octane of the gas B) Weight of the car OC) Temperature of the gas when it is burned OD) Number of cylinders 13) What is the difference between a turbine and a pump?: * A) Both turbines and pumps add energy to fluids as the fluid traverses the rover. B) Both turbines and pumps remove energy from fluids as the fluid traverses the rover. C) Turbines add energy to a fluid as the fluid traverses the rotor. A pump removes energy from a fluid. OD) Turbines remove energy from a fluid as the fluid traverses the rotor. A pump adds energy to a fluid. 14) The release of energy from the sun is accompanied by which of the following?: * OA) Decrease in the mass of the sun OB) Increase in the sun's rotation rate O C) Increase in the sun's gravitational attraction OD) All of the above 15) With respect to energy, hydroelectric power represents which of the following?: * OA) Remnant gravitational energy of precipitation B) Remnant electric power from storms C) Remnant water energy from chemical bonds OD) None of the above
Transcribed Image Text:12) Which of the following directly affects the efficiency of a car engine?: * A) Octane of the gas B) Weight of the car OC) Temperature of the gas when it is burned OD) Number of cylinders 13) What is the difference between a turbine and a pump?: * A) Both turbines and pumps add energy to fluids as the fluid traverses the rover. B) Both turbines and pumps remove energy from fluids as the fluid traverses the rover. C) Turbines add energy to a fluid as the fluid traverses the rotor. A pump removes energy from a fluid. OD) Turbines remove energy from a fluid as the fluid traverses the rotor. A pump adds energy to a fluid. 14) The release of energy from the sun is accompanied by which of the following?: * OA) Decrease in the mass of the sun OB) Increase in the sun's rotation rate O C) Increase in the sun's gravitational attraction OD) All of the above 15) With respect to energy, hydroelectric power represents which of the following?: * OA) Remnant gravitational energy of precipitation B) Remnant electric power from storms C) Remnant water energy from chemical bonds OD) None of the above
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