FCTC Written Prep UPDATED Exam Questions and CORRECT Answers
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Course
FCTC
Institution
FCTC
FCTC Written Prep UPDATED Exam
Questions and CORRECT Answers
Classes of Levers - Correct ANSWER- Class 1,
Class 2,
Class 3
Class 1 Levers - Correct ANSWER- Fulcrum is in the middle, with the effort (input) force on
one side of the fulcrum and resistance (output) on the other side
.Mechan...
FCTC Written Prep UPDATED Exam Questions and CORRECT Answers Classes of Levers - Correct ANSWER - Class 1, Class 2, Class 3 Class 1 Levers - Correct ANSWER - Fulcrum is in the middle, with the effort (input) force on one side of the fulcrum and resistance (output) on the other side .Mechanical Advantage greater or less than 1 Ex: Seesaw, Crowbar, Pair of Scissors. Class 2 Levers - Correct ANSWER - Resistance is in the middle, the effort is applied on one side of the resistance and the fulcrum on the other side .Mechanical Advantage is always greater than 1 Ex: Wheelbarrow, nutcracker, bottle opener, or the brake pedal of a car. Class 3 Levers - Correct ANSWER - Effort in the middle, the resistance is on one side of the effort and the fulcrum is located on the other side. Mechanical Advantage is always less than 1 Ex: Pair of tweezers, human mandible Lever Definitions - Correct ANSWER - Lever machine consisting of a beam or rigid rod pivoted at a fixed hinged, or fulcrum. Input Force = Effort Output Force = Load or Resistance What does "fre, 123" mean? - Correct ANSWER - Fulcrum is in the middle for Class 1 LeversResistance (output) in middle for Class 2Effort (input) in the middle for Class 3 Formula for Determining the head pressure difference between an intake and output - Correct ANSWER - 1 vertical foot = 0.433 psi 1 psi = 2.31 vertical feet Overall Test Overview: - Correct ANSWER - 1) 30 -minute period to read 2 essays - 2-hour time limit begins to answer (100 questions). 2) Watch 2 short videos and answer (20 questions) based on the scenarios. 3) Apply mechanical reasoning (25 questions, i.e. Fluid Dynamics, levers, belt and pulleys, gears) 4) Mathematical Problems (20 questions, i.e. addition, division, angles, area, volume, decimals, ratios, percentages) 5) Recall and Comprehend Technical Information (35 questions, recall from first two essays, in addition to one or two more at this time) Be mindful of questions with absolutes. What are some absolutes and why watch out for them? - Correct ANSWER - Examples of absolutes are "absolutely, always, forever, completely, infinite, never, only, sole, undeniable, or wholly".Absolutes or any sort of broad statements should be suspected as wrong. Recall and Comprehend Technical Information - Correct ANSWER - - Read one to four essays -35 questions total (including questions for essays in back of the test booklet) - notes can be written on the essay packet, NOT any other testing material. - 15 - 20 questions from these essays were handed out in the first 30 minutes. Gear Train, or commonly called "Transmission" - Correct ANSWER - Two or more gears working in a sequence, producing mechanical advantage through a gear ratio. Relationship between Speed, Torque, and Power: - Correct ANSWER - Power = 2pi x Speed (w) x Torque (nm)/ 60 Torque = 60 x Power (kW)/2pi x Speed (Rpm)
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