# Svvv- Svits 1st Year Ee Quiz - Applied Mechanics (Btce 103)

50 Questions | Total Attempts: 89  Settings  .

• 1.
The unit of force in S.I. units is
• A.

Kilogram

• B.

Newton

• C.

Watt

• D.

Dyne

• E.

Joule.

• 2.
Which of the following is not the unit of power ?
• A.

KW (kilowatt)

• B.

Hp (horse power)

• C.

Kcal/sec

• D.

Kcal/kg sec

• 3.
Which of the following is not a scalar quantity.?
• A.

Time

• B.

Mass

• C.

Acceleration

• D.

Volume

• E.

Density

• 4.
Which of the following is a vector quantity.?
• A.

Energy

• B.

Momentum

• C.

Angle

• D.

Speed

• 5.
The C.G. of a plane lamina will not be at its geometrical centre in the case of a
• A.

Right angled triangle

• B.

Circle

• C.

Square

• D.

Rectangle

• 6.
The algebraic sum of moments of the forces forming couple about any point in their plane is
• A.

Equal to the moment of the couple

• B.

Constant

• C.

Both of above are correct

• D.

Both of above are wrong

• 7.
The locus of the instantaneous centre of a moving rigid body, is
• A.

Straight line

• B.

Involute

• C.

Centroid

• D.

Spiral

• 8.
The forces which meet at one point and have their lines of action in different planes are called
• A.

Coplaner non-concurrent forces

• B.

Non-coplaner concurrent forces

• C.

Non-coplaner non-current forces

• D.

Intersecting forces

• 9.
The unit of Moment of Inertia of a body, is
• A.

M

• B.

M2

• C.

M3

• D.

M4

• 10.
The Law of Polygon of Forces states that
• A.

If a polygen representing the forces acting at point in a body is closed, the forces are in equilibrium

• B.

If forces acting on a point can be represented in magnitde and direction by the sides of a polygon taken in order, then the resultant of the forces will be represented in magnitude and direction by the closing side of the polygon

• C.

If forces acting on a point can be represented of a polygon taken in order, their sides of a polygon taken in order, their resultant will be represented in magnitude and direction by the closing side of the polygon, taken in opposite order

• D.

If forces acting on a point can be represented in magnitude and direction by the sides of a polygon in order, the forces are in equilibrium.

• 11.
Work may be defined as
• A.

Force x distance

• B.

Force x velocity

• C.

Force x acceleration

• D.

None of these.

• 12.
Lami's theroem states that
• A.

Three forces acting at a point are always in equilibrium

• B.

If three forces acting on a point can be represented in magnitude and direction by the sides of a triangle, the point will be in the state of equilibrium

• C.

Three coplaner forces acting at a point will be in equilibrium, if each force is proportional to the sine of the angle between the other two

• D.

Three coplaner forces acting at a point will be in equilibrium if each force is inversely proportional to the sine of the angle between the other two

• 13.
If two forces acting at a point are in equilibrium, they must be equal in magnitude and their line of action must be along
• A.

The same line in the same sense

• B.

The same line in opposite sense

• C.

The perpendicular to both the lines

• D.

None of these.

• 14.
The characteristic of a couple, is
• A.

Algebraic sum of forces, constituting a couple is zero

• B.

Algebraic sum of moments of forces, constituting a couple, about any poin, is same

• C.

A couple can be balanced only by a couple but of opposite sense

• D.

A couple can be never the balanced by a single force

• E.

All the above.

• 15.
Three forces which act on a rigid body to keep it in equilibrium. The forces must be coplanar and
• A.

Concurrent

• B.

Parallel

• C.

Concurrent parallel

• D.

None of these

• 16.
Newtons's Law of Motion is
• A.

Every body continues in its state of rest or of uniform motion, in a straight line, unless it is acted upon by some external force

• B.

The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction, in which the force acts

• C.

To every action, there is always an equal and opposite reaction

• D.

All the above

• 17.
Pick up the incorrect statement from the following :
• A.

The C.G. of a circle is at its centre

• B.

The C.G. of a triangle is at the intersecton of its medians

• C.

The C.G. of a rectangle is at the intersection of its diagonals

• D.

The C.G. of a semicircle is at a distance of r/2 from the centre

• 18.
Energy may be defined as
• A.

Power of doing work

• B.

Capacity of doing work

• C.

Rate of doing work

• D.

All the above

• 19.
The centre of gravity of a homogenous body is the point at which the whole
• A.

Volume of the body is assumed to be concentrated

• B.

Area of the surface of the body is assumed to be concentrated

• C.

Weight of the body is assumed to be concentrated

• D.

All the above.

• 20.
Centre of gravity of a thin hollow cone lies on the axis of symmmetry at a height of
• A.

One-half of the total height above base

• B.

One-third of the total height above base

• C.

One-fourth of the total height above base

• D.

None of these.

• 21.
The unit of moments in M.K.S system, is
• A.

Kg-m

• B.

Kg/m2

• C.

Kg/sec2

• D.

Kg/sec

• 22.
A point subjected to a number of forces will be in equilibrium, if
• A.

Sum of resolved parts in any two directions at right angles, are both zero

• B.

Algebraic sum of the forces is zero

• C.

Two resolved parts in any two directions at right angles are equal

• D.

Algebraic sum of the moments of the forces about the point is zero

• 23.
If the shear force along a section of a beam is zero, the bending moment at the section is
• A.

Zero

• B.

Maximum

• C.

Minimum

• D.

Average of maximum-minimum

• 24.
The shape of the bending moment diagram over the length of a beam, carrying a uniformly distributed load is always
• A.

Linear

• B.

Parabolic

• C.

Cubical

• D.

Circular

• 25.
For a simply supported beam with a central load, the bending moment is
• A.

Least at the centre

• B.

Least at the supports

• C.

Maximum at the supports

• D.

Maximum at the centre Back to top