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Questions and Answers
What is the mass moment of inertia of the rotor?
What is the mass moment of inertia of the rotor?
- 2000 kg-m^2
- 4800 kg-m^2
- 3700 kg-m^2
- 3200 kg-m^2 (correct)
What is the angular velocity of precession in radians per second?
What is the angular velocity of precession in radians per second?
- 0.82 rad/s
- 0.37 rad/s (correct)
- 1.25 rad/s
- 0.68 rad/s
What is the gyroscopic couple acting on the rotor?
What is the gyroscopic couple acting on the rotor?
- 250.432 kN-m
- 150.324 kN-m
- 120.575 kN-m
- 200.866 kN-m (correct)
In which direction does the reactive gyroscopic couple raise and lower the ship's ends?
In which direction does the reactive gyroscopic couple raise and lower the ship's ends?
Where are gyroscopes commonly used for maintaining direction?
Where are gyroscopes commonly used for maintaining direction?
What condition needs to be met for the effect of gyroscopic couple to occur?
What condition needs to be met for the effect of gyroscopic couple to occur?
In which scenario will there be no effect of the gyroscopic couple acting on the body of a ship?
In which scenario will there be no effect of the gyroscopic couple acting on the body of a ship?
What is the relation between the road reaction over each wheel and the weight of the vehicle?
What is the relation between the road reaction over each wheel and the weight of the vehicle?
What is the net gyroscopic couple equation for a vehicle experiencing a turn?
What is the net gyroscopic couple equation for a vehicle experiencing a turn?
What is the effect of centrifugal force on a vehicle moving along a curved path?
What is the effect of centrifugal force on a vehicle moving along a curved path?
What happens when PI is zero or negative at high speeds?
What happens when PI is zero or negative at high speeds?
What will be the reaction at outer wheels due to gyroscopic couple?
What will be the reaction at outer wheels due to gyroscopic couple?
What is the significance of road reaction over each wheel?
What is the significance of road reaction over each wheel?
How does centrifugal force impact vehicle stability in a turn?
How does centrifugal force impact vehicle stability in a turn?
At what speed might inner wheels leave the ground due to certain conditions?
At what speed might inner wheels leave the ground due to certain conditions?
What is the force required to keep a body moving along a curved path with uniform linear velocity?
What is the force required to keep a body moving along a curved path with uniform linear velocity?
What happens to the angular momentum vector of an aero plane when it takes a left turn?
What happens to the angular momentum vector of an aero plane when it takes a left turn?
Which force acts radially outwards on a body moving with uniform linear velocity along a circular path?
Which force acts radially outwards on a body moving with uniform linear velocity along a circular path?
In which direction does the active gyroscopic couple act on an aero plane taking a left turn?
In which direction does the active gyroscopic couple act on an aero plane taking a left turn?
What is the action of the reactive or centrifugal force on a body?
What is the action of the reactive or centrifugal force on a body?
What effect does the reactive gyroscopic couple have on an aero plane taking a left turn?
What effect does the reactive gyroscopic couple have on an aero plane taking a left turn?
What is the fore end of a naval ship called?
What is the fore end of a naval ship called?
How is angular acceleration defined?
How is angular acceleration defined?
How can angular acceleration be represented visually?
How can angular acceleration be represented visually?
When viewed from the stern, what are the left hand and right hand sides of a naval ship called?
When viewed from the stern, what are the left hand and right hand sides of a naval ship called?
'Pitching' of a naval ship refers to movement up and down in a ____ plane.
'Pitching' of a naval ship refers to movement up and down in a ____ plane.
What effect does the reactive gyroscopic couple have when the ship pitches upward?
What effect does the reactive gyroscopic couple have when the ship pitches upward?
'Rolling' in naval ships involves movement about which axis?
'Rolling' in naval ships involves movement about which axis?
'Steering' of a naval ship involves turning in a curve towards:
'Steering' of a naval ship involves turning in a curve towards:
What is named as 'stern' in naval ships?
What is named as 'stern' in naval ships?
What is the angle of heel in relation to the vehicle's equilibrium?
What is the angle of heel in relation to the vehicle's equilibrium?
Which force acts horizontally through the center of gravity along the outward direction?
Which force acts horizontally through the center of gravity along the outward direction?
What is the formula to calculate the mass moment of inertia of a disc?
What is the formula to calculate the mass moment of inertia of a disc?
Which term represents the speed at which a disc rotates about an arm?
Which term represents the speed at which a disc rotates about an arm?
When an aeroplane turns towards left, what is the effect of the gyroscopic couple?
When an aeroplane turns towards left, what is the effect of the gyroscopic couple?
What is the gyroscopic couple on an aircraft when given its mass moment of inertia as 36 kg-m^2 and precession speed as 1.11 rad/s?
What is the gyroscopic couple on an aircraft when given its mass moment of inertia as 36 kg-m^2 and precession speed as 1.11 rad/s?
What angle is crucial for determining the vehicle's stability so that it does not skid?
What angle is crucial for determining the vehicle's stability so that it does not skid?
What is the angular velocity of the axis of spin about the axis of precession denoted by?
What is the angular velocity of the axis of spin about the axis of precession denoted by?
What is the plane in which the disc is rotating called?
What is the plane in which the disc is rotating called?
What is the axis about which the axis of spin is to turn known as?
What is the axis about which the axis of spin is to turn known as?
In which plane does the active gyroscopic couple lie?
In which plane does the active gyroscopic couple lie?
What is the axis perpendicular to the plane XOY, about which the active gyroscopic couple acts, known as?
What is the axis perpendicular to the plane XOY, about which the active gyroscopic couple acts, known as?
What is the reactive couple to which the disc is subjected when the axis of spin rotates about the axis of precession known as?
What is the reactive couple to which the disc is subjected when the axis of spin rotates about the axis of precession known as?
What is the vector representing the change in angular momentum known as?
What is the vector representing the change in angular momentum known as?
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