The unit of moment of inertia of an area is

Question

The unit of moment of inertia of an area is

A. kg-m²

C. kg/m²

D. m⁴

Correct Answer :

D. m⁴

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Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its vertex and parallel to the base, is __________ than that passing through its C.G. and parallel to the base.

Discuss this answer

The force applied on a body of mass 100 kg to produce an acceleration of 5 m/s², is

A. 20 N

B. 100 N

C. 500 N

Discuss this answer

A differential pulley block has larger and smaller diameters of 100 mm and 80 mm respectively. Its velocity ratio is

A. 5

B. 10

C. 20

D. 40

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The unit of force in S.I. units is

B. Newton

C. Watt

D. Dyne

Discuss this answer

The ideal angle of banking provided on the curves on roads depends upon

Discuss this answer

The coefficient of restitution for inelastic bodies is

A. Zero

B. One

Discuss this answer

The unit of moment of inertia of an area is

A. kg-m²

C. kg/m²

D. m⁴

Discuss this answer

Which of the following is the example of lever of first order?

Discuss this answer

When trying to turn a key into a lock, following is applied

C. Moment

D. Couple

Discuss this answer

Moment of inertia of a circular section about its diameter (d) is

Discuss this answer

In order to double the period of simple pendulum, the length of the string should be

A. Halved

Discuss this answer

The necessary condition for forces to be in equilibrium is that these should be

Discuss this answer

The ratio of limiting friction and normal reaction is known as

Discuss this answer

The slope on the road surface generally provided on the curves is known as

Discuss this answer

If P is the force acting on the body, m is the mass of the body and a is the acceleration of the body, then according to Newton's second law of motion,

Discuss this answer

A redundant frame is also called __________ frame.

Discuss this answer

In order to determine the effects of a force, acting on a body, we must know

Discuss this answer

The bodies which rebound after impact are called

Discuss this answer

Which of the following is a vector quantity?

A. Energy

B. Mass

D. Angle

Discuss this answer

One kg force is equal to

A. 7.8 N

B. 8.9 N

C. 9.8 N

D. 12 N

Discuss this answer

The power developed by a body acted upon by a torque T Newton metre (N - m) and revolving at ω radian/s is given by

Discuss this answer

The moment of inertia of a thin disc of mass m and radius r, about an axis through its centre of gravity and perpendicular to the plane of the disc is

A. mr²/2

B. mr²/4

C. mr²/6

D. mr²/8

Discuss this answer

D' Alembert's principle is used for

Discuss this answer

Centre of gravity of a thin hollow cone lies on the axis at a height of

Discuss this answer

Efficiency of a screw jack is given by (where α = Helix angle, and φ = Angle of friction.)

Discuss this answer

The friction experienced by a body, when at rest, is known as

Discuss this answer

The forces, which meet at one point, but their lines of action do not lie in a plane, are called

Discuss this answer

If a body is acted upon by a number of coplanar non-concurrent forces, it may

Discuss this answer

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

A. Dyne

C. Newton

D. Watt

Discuss this answer

The units of moment of inertia of mass are

A. kg-m²

C. kg/m²

D. kg/m

Discuss this answer

Answer 1

B. kg-m-s²

Answer 2

A. Nine times

Answer 3

B. Six times

Answer 4

C. Four times

Answer 5

D. Two times

Answer 6

D. None of these

Answer 7

A. kilogram

Answer 8

A. Weight of the vehicle

Answer 9

B. (Velocity)2 of the vehicle

Answer 10

C. Nature of the road surface

Answer 11

D. Coefficient of friction between the road and vehicle contact point

Answer 12

C. Between zero and one

Answer 13

D. More than one

Answer 14

B. kg-m-s²

Answer 15

A. Arm of man

Answer 16

B. Pair of scissors

Answer 17

C. Pair of clinical tongs

Answer 18

D. All of the above

Answer 19

A. Coplanar force

Answer 20

B. Non-coplanar forces

Answer 21

A. πd³/16

Answer 22

B. πd³/32

Answer 23

C. πd⁴/32

Answer 24

D. πd⁴/64

Answer 25

B. Doubled

Answer 26

C. Quadrupled

Answer 27

D. None of these

Answer 28

A. Coplanar

Answer 29

B. Meet at one point

Answer 30

C. Both (A) and (B) above

Answer 31

D. All be equal

Answer 32

A. Coefficient of friction

Answer 33

B. Angle of friction

Answer 34

C. Angle of repose

Answer 35

D. Sliding friction

Answer 36

A. Angle of friction

Answer 37

B. Angle of repose

Answer 38

C. Angle of banking

Answer 39

D. None of these

Answer 40

A. P + m.a = 0

Answer 41

B. P - m.a = 0

Answer 42

C. P × m.a = 0

Answer 43

D. P/m.a = 0

Answer 44

A. Perfect

Answer 45

B. Imperfect

Answer 46

C. Deficient

Answer 47

D. None of these

Answer 48

A. Magnitude of the force

Answer 49

B. Line of action of the force

Answer 50

C. Nature of the force i.e. whether the force is push or pull

Answer 51

D. All of the above

Answer 52

A. Inelastic bodies

Answer 53

B. Elastic bodies

Answer 54

C. Neither elastic nor inelastic bodies

Answer 55

D. None of these

Answer 56

C. Momentum

Answer 57

A. T.ω (in watts)

Answer 58

B. T.ω/60 (in watts)

Answer 59

C. T.ω/75 (in kilowatts)

Answer 60

D. T.ω/4500 (in kilowatts)

Answer 61

A. Reducing the problem of kinetics to equivalent statics problem

Answer 62

B. Determining stresses in the truss

Answer 63

C. Stability of floating bodies

Answer 64

D. Designing safe structures

Answer 65

A. One-fourth of the total height above base

Answer 66

B. One-third of the total height above base

Answer 67

C. One-half of the total height above base

Answer 68

D. Three-eighth of the total height above the base

Answer 69

A. tan(α + φ)/tanα

Answer 70

B. tanα/tan (α + φ)

Answer 71

C. tan(α - φ)/tanα

Answer 72

D. None of these

Answer 73

A. Static friction

Answer 74

B. Dynamic friction

Answer 75

C. Limiting friction

Answer 76

D. Coefficient of friction

Answer 77

A. Coplanar non-concurrent forces

Answer 78

B. Non-coplanar concurrent forces

Answer 79

C. Non-coplanar non-concurrent forces

Answer 80

D. Intersecting forces

Answer 81

A. Rotate about itself without moving

Answer 82

B. Move in any one direction rotating about itself

Answer 83

C. Be completely at rest

Answer 84

D. All of these

Answer 85

B. Kilogram

Answer 86

B. m²/kg.

The unit of moment of inertia of an area is

Correct Answer :

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Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its vertex and parallel to the base, is __________ than that passing through its C.G. and parallel to the base.

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The unit of moment of inertia of an area is

Correct Answer :

Show all Engineering Mechanics MCQ

Related Questions

Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its vertex and parallel to the base, is __________ than that passing through its C.G. and parallel to the base.

The force applied on a body of mass 100 kg to produce an acceleration of 5 m/s2, is

A differential pulley block has larger and smaller diameters of 100 mm and 80 mm respectively. Its velocity ratio is

The unit of force in S.I. units is

The ideal angle of banking provided on the curves on roads depends upon

The coefficient of restitution for inelastic bodies is

The unit of moment of inertia of an area is

Which of the following is the example of lever of first order?

When trying to turn a key into a lock, following is applied

Moment of inertia of a circular section about its diameter (d) is

In order to double the period of simple pendulum, the length of the string should be

The necessary condition for forces to be in equilibrium is that these should be

The ratio of limiting friction and normal reaction is known as

The slope on the road surface generally provided on the curves is known as

If P is the force acting on the body, m is the mass of the body and a is the acceleration of the body, then according to Newton's second law of motion,

A redundant frame is also called __________ frame.

In order to determine the effects of a force, acting on a body, we must know

The bodies which rebound after impact are called

Which of the following is a vector quantity?

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The power developed by a body acted upon by a torque T Newton metre (N - m) and revolving at ω radian/s is given by

The moment of inertia of a thin disc of mass m and radius r, about an axis through its centre of gravity and perpendicular to the plane of the disc is

D' Alembert's principle is used for

Centre of gravity of a thin hollow cone lies on the axis at a height of

Efficiency of a screw jack is given by (where α = Helix angle, and φ = Angle of friction.)

The friction experienced by a body, when at rest, is known as

The forces, which meet at one point, but their lines of action do not lie in a plane, are called

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