Effect of Gyroscopic Couple on a Navalship during Pitching & Rolling Online Exam Quiz
Effect of Gyroscopic Couple on a Navalship during Pitching & Rolling GK Quiz. Question and Answers related to Effect of Gyroscopic Couple on a Navalship during Pitching & Rolling. MCQ (Multiple Choice Questions with answers about Effect of Gyroscopic Couple on a Navalship during Pitching & Rolling
A sphere of mass 25 Kg is moving at a speed of 1.5 m/s undergoes collision with another sphere of mass 50 Kg moving at 3m/s in the same direction, find the loss of kinetic energy when the collision is inelastic.
Options
A : 18.75 N-m
B : 19.75 N-m
C : 17.75 N-m
D : 16.75 N-m
During downward pitching, Gyroscopic couple will tend to move the ship towards __
Options
A : Star-board
B : Port side
C : Ship movement is unaffected by upward pitching
D : Right side
During upward pitching, Gyroscopic couple will tend to move the ship towards __
Options
A : Star-board
B : Port side
C : Ship movement is unaffected by upward pitching
D : Left side
If the movement of the ship were to occur about a vertical plane about a parallel axis then which of the following factors will be affected while pitching?
Options
A : Upward pitch
B : Downward pitch
C : Pitching will not occur
D : Change in angular velocity of rotor
Maximum couple during pitching is given by : (?: angular velocity of rotor & ?pmax: Maximum angular velocity of precession).
Options
A : Cmax = I.(?pmax)2
B : Cmax = I.(?)2
C : Cmax = I. ?. ?pmax
D : Cmax = I2. ?. ?pmax
Pitching is the movement of a ship up and down in a vertical plane about transverse axis.
Options
A : TRUE
B : FALSE
C : -
D : -
Rolling is the turning of a complete ship in a curve towards left or right, while it moves forward.
Options
A : TRUE
B : FALSE
C : -
D : -
The axis of precession is parallel to axis of spin during rolling for only a selected few positions.
Options
A : FALSE
B : TRUE
C : -
D : -
The coefficient of restitution is 0 for a completely inelastic collision.
Options
A : TRUE
B : FALSE
C : -
D : -
The gyroscope couple does not cause an effect on a naval ship during which of these motions?
Options
A : Pitching
B : Steering
C : Rolling
D : Lifting
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