Welcome to Engineering Mechanics.

The quiz will randomly run 20 questions from Engineering Mechanics which you have to answer in 10 minutes.

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1.
A projectile is fired at an angle B to the vertical. Its horizontal range will be maximum when angle B is

2.
Center of gravity of a thin hollow cone lies on the axis at a height of

3.
Which of the following is the locus of a point that moves in such a manner that its distance from a fixed point is equal to its distance from a fixed line multiplied by a constant greater than one

4.
If three forces acting in different planes can be represented by a triangle, these will be in

5.
The unit of force in S.I. units is

6.
A heavy ladder resting on floor and against a vertical wall may not be in equilibrium, if

7.
he product of either force of couple with the arm of the couple is called

8.
The maximum frictional force which comes into play when a body just begins to slide over another surface is called

9.
The algebraic sum of moments of the forces forming couple about any point in their plane is

10.
A 50-kilogram block of wood rest on top of the smooth plane whose length is 3 m, and whose altitude is 0.8 m. How long will it take for the block to slide to the bottom of the plane when released?

11.
If rain is falling in the opposite direction of the movement of a pedestrain, he has to hold his umbrella

12.
The ratio of limiting friction and normal reaction is known as

13.
Limiting force of friction is the

14.
A single force and a couple acting in the same plane upon a rigid body

15.
A number of forces acting at a point will be in equilibrium if

16.
On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be (a) towards the wall at its upper end

17.
The magnitude of two forces, which when acting at right angle produce resultant force of lO lbs and when acting at 60° produce resultant of l3 lbs. These forces are

18.
A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is nearly equal to

19.
The unit of work or energy in SI units sis

20.
A framed structure is perfect if it contains members equal to

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