QUESTIONS AND CORRECT DETAILED ANSWERS
WITH RATIONALES (VERIFIED ANSWERS)
|ALREADY GRADED A+
Which vehicles in app bay can be parked end to end?
ANSWERS: Squad 23' Battalion 9 15'
What maintenance is done when reacting to operating equipment breakdowns?
ANSWERS: Emergency
What does "fre, 123" mean?
ANSWERS: 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
ANSWERS:
1 vertical foot = 0.433 psi
1 psi = 2.31 vertical feet
, Overall Test Overview:
ANSWERS:
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?
ANSWERS:
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
ANSWERS:
- 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"
ANSWERS:
Two or more gears working in a sequence, producing mechanical
advantage through a gear ratio.
Relationship between Speed, Torque, and Power:
ANSWERS:
Power = 2pi x Speed (w) x Torque (nm)/
60 Torque = 60 x Power (kW)/2pi x
Speed (Rpm)
Belt and Pulley Systems
ANSWERS:
Two or more pulleys in common to a belt. If the pulleys are of differing pitch
diameters, a mechanical advantage is realized. Doesn't depend on ratio of
teeth as with gears and sprockets, only pitch diameter.
Engine Pumps 1450 gallons per minute, how many gallons in 5.5 minutes?
ANSWERS: 7975 gallons