The balancing weights are introduced in planes parallel to the plane of rotation of the disturbing mass. To obtain complete dynamic balance, the minimum number of balancing weights to be introduced in different planes is
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- When the sleeve of a Porter governor moves upwards, the governor speed
- Klein's construction can be used to determine acceleration of various parts when the crank is at
- The cam and follower is an example of
- Which of the following mechanism is obtained from lower pair?
- When the pitching of a ship is __________ the effect of gyroscopic couple acting on it will be to move…
- The frictional torque transmitted in a conical pivot bearing, considering uniform pressure, is (where…
- Which of the following is a higher pair?
- The effort of a Porter governor is equal to (where c = Percentage increase in speed, m = Mass of ball,…
- In gramophones for adjusting the speed of the turntable, the following type of governor is commonly…
- Which of the following statement is wrong?
- In multi V-belt transmission, if one of the belt is broken, we have to change the
- A machine mounted on a single coil spring has a period of free vibration of tp . If the spring is cut…
- Pitch point on a cam is
- The pitching of a ship produces forces on the bearings which act __________ to the motion of the ship.
- Which is the false statement about the properties of instantaneous centre?
- The danger of breakage and vibration is maximum
- In gears, interference takes place when
- In involute gears, the pressure angle is
- A slider moves at a velocity v on a link revolving at ω rad/s. The coriolis component of acceleration…
- The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction)
- If the rotating mass of a rim type flywheel is distributed on another rim type flywheel whose mean radius…
- The size of a gear is usually specified by
- Which of the following mechanism is an approximate straight line motion mechanism?
- When the pitching of a ship is upward, the effect of gyroscopic couple acting on it will be
- The product of the diametral pitch and circular pitch is equal to
- Sensitiveness of the governor is defined as the ratio of the
- A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied…
- The D-slide valve is also known as
- The ratio of the maximum displacement of the forced vibration to the deflection due to the static force,…
- For fluctuating loads, well suited bearing is