| 1. | The steering of a ship means ? | |
|
movement of a complete ship up and down in vertical plane about transverse axis
|
||
|
turning of a complete ship in a curve towards right or left, while it moves forward
|
||
|
rolling of a complete ship side-ways
|
||
|
none of the above
|
||
View Answer
Discuss in Forum
Report Question| 2. | Which of the following statement is correct for involute gears ? | |
|
The interference is inherently absent
|
||
|
The variation in centre distance of shafts increases radial force
|
||
|
A convex flank is always in contact with concave flank
|
||
|
The pressure angle is constant throughout the teeth engagement
|
||
| 3. | Which of the following is an inversion of a double slider crank chain ? | |
|
Oldham's coupling
|
||
|
Elliptical trammel
|
||
|
Scotch yoke mechanism
|
||
|
all of these
|
||
| 4. | The size of a gear is usually specified by ? | |
|
pressure angle
|
||
|
circular pitch
|
||
|
diametral pitch
|
||
|
pitch circle diameter
|
||
| 5. | Scotch yoke mechanism is used to generate ? | |
|
sine functions
|
||
|
square roots
|
||
|
logarithms
|
||
|
inversions
|
||
| 6. | The minimum force required to slide a body of weight Won a rough horizontal plane is ? | |
|
W sin ?
|
||
|
W cos ?
|
||
|
W tan ?
|
||
|
W cosec ?
|
||
| 7. | A point B on a rigid link AB moves with respect to A with angular velocity ? rad/s. The total acceleration of B with respect to A will be equal to ? | |
|
vector sum of radial component and coriolis component
|
||
|
vector sum of tangential component and coriolis component
|
||
|
vector sum of radial component and tangential component
|
||
|
vector difference of radial component and tangential component
|
||
| 8. | In a kinematic chain, a quaternary joint is equivalent to ? | |
|
one binary joint
|
||
|
two binary joints
|
||
|
three binary joints
|
||
|
four binary joints
|
||
| 9. | The instantaneous centres which vary with the configuration of mechanism, are called ? | |
|
permanent instantaneous centres
|
||
|
fixed instantaneous centres
|
||
|
neither fixed nor permanent instantaneous centres
|
||
|
none of the above
|
||
| 10. | The instantaneous centre of a rigid thin disc rolling on a plane rigid surface is located at ? | |
|
the centre of the disc
|
||
|
the point of contact
|
||
|
an infinite distance on the plane surface
|
||
|
the point on the circumference situated vertically opposite to the contact point
|
||