A single degree of freedom system is given by, m × (d²x/dt²) + c × (dx/dt) + sx = F.cosω.t with usual notations. It represents Forced vibration without damping Forced vibration with damping Free vibration with damping Free vibration without damping TRUE ANSWER : ? YOUR ANSWER : ?
The velocity of sliding of meshing gear teeth is(Where ω₁ and ω₂ are angular velocities of meshing gears and ‘y’ is distance between point of contact and the pitch point) (ω₁ + ω₂) y (ω₁/ω₂) y (ω₁ + ω₂)/y (ω₁ × ω₂) y TRUE ANSWER : ? YOUR ANSWER : ?
When the pitching of a ship is __________ the effect of gyroscopic couple acting on it will be to move the ship towards port side. Forward Upward Downward Backward TRUE ANSWER : ? YOUR ANSWER : ?
When a point moves along a straight line, its acceleration will have Radial and tangential components both Tangential component only Coriolis component only Radial component only TRUE ANSWER : ? YOUR ANSWER : ?
Cross head and guides form a Lower pair Sliding pair Higher pair Turning pair TRUE ANSWER : ? YOUR ANSWER : ?
The ratio of the number of teeth to the pitch circle diameter in millimeters, is called None of these Module Diametral pitch Circular pitch TRUE ANSWER : ? YOUR ANSWER : ?
In a reciprocating steam engine, which of the following forms a kinematic link? Crankshaft and flywheel Piston rod and connecting rod Flywheel and engine frame Cylinder and piston TRUE ANSWER : ? YOUR ANSWER : ?
The Coriolis component of acceleration acts Along the sliding surface Parallel to the sliding surface At 45° to the sliding surface Perpendicular to the sliding surface TRUE ANSWER : ? YOUR ANSWER : ?
A governor is said to be stable, if the Radius of rotation of balls increases as the equilibrium speed increases Radius of rotation of balls decreases as the equilibrium speed decreases Radius of rotation of balls decreases as the equilibrium speed increases Radius of rotation of balls increases as the equilibrium speed decreases TRUE ANSWER : ? YOUR ANSWER : ?