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FIRETEAM MECHANICAL APTITUDE - PART 2.1 EXAM 2024/2025
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FIRETEAM MECHANICAL APTITUDE - PART 2.1 EXAM 2024/2025
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FIRETEAM MECHANICAL APTITUDE -PART 2.1 EXAM 2024/2025
1. e. C turns clockwise at 25 RPM
Consider the belt
drive system.
Explanation: Axle A is the start of the system, as
Which of the
indicated by the word 'input.' The disc on axle A is
following
half the diameter of the one it is directly connected
statements is
to on axle B. So, for every 1 rotation of A, B would
true?
perform half a rotation.The second disc on axle B
is connected to a disc on axle C, and is once again
a.B turns anti-
half the diameter of the disc on C. So, for every 1
clock- wise at 50
rotation of B, there is half a rotation of C.
RPM
So, for every 1 rotation of A, there is 0.5 rotations
b. C turns anti-
of B, and therefore 0.25 rotations of C. If A is
clock- wise at 25
rotating at 100 RPM (revolutions per minute), then
C is ro- tating at a quarter of that, or 25 RPM.Axle A RPM
rotates clockwise, so B and C will also rotate in the c. A and C turn
same direction. clockwise and B
turns anti-
clockwise
d. C turns
clockwise at 400
RPM
2. c. C e. C turns
clockwise at 25
Explanation: C would require the least force to lift RPM
the weight. This is because of the pulley system
employed in scenario C. The more pulleys you
have the more parts of the rope act on the weight.
Which of the
above systems
requires the least
force at F to lift
the weight of 1
kg?
a. A
b.B
c. C
d.They are all
the same
, FIRETEAM MECHANICAL APTITUDE -
PART 2.1 EXAM 2024/2025
e. B and C do not work
3. c. C Considering the
above systems, if
, FIRETEAM MECHANICAL APTITUDE -
PART 2.1 EXAM 2024/2025
Explanation: C would require the greatest length of least amount
rope to lift the weight by that distance. The of force to
distance that the weight is lifted by depends on loosen the nut.
how many pulleys there are. Each pulley used is an
occasion when the rope is looped around. The
more times the rope is looped around, the further it
has to be pulled to raise the pulley and the weight
attached to it.
4. b. B must be lighter than A
Explanation: The distance from the fulcrum (point
on which the beam rests) and the weight used are
proportional to the force produced. As a weight is
placed further away from the fulcrum, the force in-
creases. Therefore, if the distance doubles, to
create the same force as on the other side, the
weight used must be halved.
5. e. Use a long spanner but hold it at B
Explanation: A similar concept to question 4 is em-
ployed here. Using a longer spanner and holding it
at point B - the furthest point of the spanner from
the nut - will give the best conditions to use the
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