Astb Practice Test

The square root of a number is a value that, when multiplied by itself, gives the original number. In this case, the square root of 144 is 12 because 12 multiplied by itself equals 144.

A prime number is a number that is only divisible by 1 and itself. In this case, the number 5 is the only option that fits this criteria. The numbers 6, 10, and 12 are all divisible by numbers other than 1 and themselves, making them composite numbers. Therefore, the correct answer is 5.

The total sum of angles in a triangle is always 180 degrees. This is a fundamental property of triangles and is derived from the fact that the sum of the angles in any polygon is equal to (n-2) times 180 degrees, where n is the number of sides of the polygon. Since a triangle has 3 sides, the sum of its angles is (3-2) times 180 degrees, which equals 180 degrees.

The probability of 2019 being a leap year is 0.25 because a leap year occurs every four years, and 2019 is not divisible by 4. Therefore, it is not a leap year.

The empennage of an aircraft refers to the tail of the aircraft. It includes the horizontal stabilizer, vertical stabilizer, and control surfaces such as elevators and rudders. The empennage plays a crucial role in stabilizing and controlling the aircraft during flight.

Static lift enables an aircraft to escape the force of gravity. Static lift is the upward force generated by the shape and design of the aircraft's wings, which creates a pressure difference between the upper and lower surfaces of the wings. This pressure difference creates lift, counteracting the force of gravity and allowing the aircraft to stay airborne.

The main load-bearing equipment of an aircraft is the structure of the aircraft. This includes the fuselage, wings, and other components that support the weight of the aircraft and distribute the forces experienced during flight. The structure is designed to be strong and durable, allowing the aircraft to withstand the stresses and loads it encounters during operation. Without a strong and reliable structure, the aircraft would not be able to safely carry passengers or cargo.

One nautical mile is equal to 1.852 kilometers.

The criteria for classifying an aircraft include brand, aircraft propulsion, and lift type. However, the usage of an aircraft is not a criterion for classification. Classification is typically based on factors such as the purpose of the aircraft, its design, and its capabilities.

In a math problem, the division operation should be executed first before any other operation. This is because division has a higher precedence than subtraction, multiplication, and addition. So, when solving a problem, one should perform division first to get the quotient, and then proceed with the other operations.