FCTC Written Prep questions with verified answers
1 psi = _______ vertical feet Ans✓✓✓ 2.31 Vertical feet
1 vertical foot = _______ pounds per square inch Ans✓✓✓ 0.433 pounds per
square inch
A belt and pulley system consists of ___________ connected by a belt Ans✓✓✓
two or more pulleys
A solid object with a space drilled out will rest on the section that is ________.
Ans✓✓✓ Solid
At any given point beneath the surface of a liquid, the pressure is _____ in all
directions--downward, upward and sideways Ans✓✓✓ the same
Characteristics of a class 1 lever and examples Ans✓✓✓ - Fulcrum in the middle
- Effort applied on one side and resistance on the other
- Ex: Seesaw, pair of scissors, crowbar.
Characteristics of a class 2 lever and examples Ans✓✓✓ - Resistance in the
middle
- Effort is applied on one side of the resistance and the fulcrum is located on the
other side
- Ex: Wheelbarrow, nutcracker, bottle opener, brake pedal of a car
Characteristics of a class 3 lever and examples Ans✓✓✓ - Effort in the middle
, - resistance is on one side of the effort and the fulcrum is located on the other
side
- Ex: a pair of tweezers or the human mandible
Diameter of pulley A / diameter of pulley B = 4/8, so pulley B will run ____ as fast
as pulley A. Ans✓✓✓ 1/2
Diameter of pulley C / diameter of pulley D = 4/16, so pulley D will run _____ as
fast as pulley C Ans✓✓✓ 1/4
Gears can change the ______, ______, and _______ of a power source Ans✓✓✓
Speed, torque, and direction
How are classes of levers classified Ans✓✓✓ By their relative positions of the
fulcrum and the input and output forces
How are pulleys typically used Ans✓✓✓ To lift loads, apply forces, and to
transmit power
How is head pressure created Ans✓✓✓ By the force of gravity and is a function
of the difference in elevation between intake and the output.
If a car or tractor or objects are turning, then the inside wheels or objects will turn
_______ distance and _________ than the outside ones. Ans✓✓✓ less distance;
more slowly
1 psi = _______ vertical feet Ans✓✓✓ 2.31 Vertical feet
1 vertical foot = _______ pounds per square inch Ans✓✓✓ 0.433 pounds per
square inch
A belt and pulley system consists of ___________ connected by a belt Ans✓✓✓
two or more pulleys
A solid object with a space drilled out will rest on the section that is ________.
Ans✓✓✓ Solid
At any given point beneath the surface of a liquid, the pressure is _____ in all
directions--downward, upward and sideways Ans✓✓✓ the same
Characteristics of a class 1 lever and examples Ans✓✓✓ - Fulcrum in the middle
- Effort applied on one side and resistance on the other
- Ex: Seesaw, pair of scissors, crowbar.
Characteristics of a class 2 lever and examples Ans✓✓✓ - Resistance in the
middle
- Effort is applied on one side of the resistance and the fulcrum is located on the
other side
- Ex: Wheelbarrow, nutcracker, bottle opener, brake pedal of a car
Characteristics of a class 3 lever and examples Ans✓✓✓ - Effort in the middle
, - resistance is on one side of the effort and the fulcrum is located on the other
side
- Ex: a pair of tweezers or the human mandible
Diameter of pulley A / diameter of pulley B = 4/8, so pulley B will run ____ as fast
as pulley A. Ans✓✓✓ 1/2
Diameter of pulley C / diameter of pulley D = 4/16, so pulley D will run _____ as
fast as pulley C Ans✓✓✓ 1/4
Gears can change the ______, ______, and _______ of a power source Ans✓✓✓
Speed, torque, and direction
How are classes of levers classified Ans✓✓✓ By their relative positions of the
fulcrum and the input and output forces
How are pulleys typically used Ans✓✓✓ To lift loads, apply forces, and to
transmit power
How is head pressure created Ans✓✓✓ By the force of gravity and is a function
of the difference in elevation between intake and the output.
If a car or tractor or objects are turning, then the inside wheels or objects will turn
_______ distance and _________ than the outside ones. Ans✓✓✓ less distance;
more slowly
