Elements 2

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1. Past ME Board Question

The internal stresses that exist in any part of the material that is subjected to temperature and not acted upon by an external load.

A residual stress

B. form stress

C. superposed stress

D. control stress
A
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2. Past ME Board Question

It is the ratio of the length of the column and the radius of gyration of the cross-sectional area about a centroidal axis.

A. contact ratio

B. slenderness ratio

C. centroidal ratio

D. column ratio
B
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3. Past ME Board Question

Under the theories of failure, for static loading of ductle material, the design stress is

A. Yield Stress/Factor of Safety

B. Ultimate stress/Factor of Safety

C. Ultimate stress/Proportional Limit

D. Yield point/Proportional Limit
A
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4. Past ME Board Question

The theory of mechanics of material shows that the results from the octahedral shear stress theory and those from the maximum distortion-energy theory are

A. the same

B. less than

C. more than

D. not related
A
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5. Past ME Board Question

The minimum value of numerical combined shock and fatigue factor to be applied in every case to the computed bending moment of the shaft is

A 2.0

B. 1.75

C. 1.5

D. 1.3
C
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6. Composition of force is at the forces.

A combination

B. opposition

C. resultant

D. summary

C
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7. Stiffness is the material's ability to under stress. deformation

A. non-planar

B. planar

C. resist

D. stafer
C
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8. Strain or is a change in geometry/shape of the body due to action of a force on it.

A. bending stress

B. deformation

C. shear stress

D. stress
B
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9. The forces that can be combined are called_ component forces.

A. different

B. helical

C. opposite

D. parallel
A
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10. Which of the following can be a concurrent?

A. collinear

B. couple

C. parallel

D. all of these
A
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11. Maximum moment formula for beam simply supported at both ends and subject to a load uniformly distributer over its length.

A. wL / 2

B. (wL ^ 2)/ 8

C. (wL ^ 2 )/ 16

D. wL / 12
B
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12. The lateral strain in axial tension members can be calculated by

A. Deformation

B. Hooke's law

C. Poisson's ratio

D. Willan's line
B
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13. The property which enables a material to be drawn into a wire.

A Ductility

B. Elasticity

C. Plasticity

D. Utility
A
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14. The stress that causes the material to shorten.

A Bearing

B. Compressive

C. Shear

D. Tensile
B
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15. The ratio of lateral strain to longitudinal strain.
A. Deformation

B. Modulus of elasticity

C. Poisson's ratio

D. Willan's line
C
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16. Forces that meet at a common point are called

A. co-linear

B. concurrent

C. coplanar

D. couple
B
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17. A pair of equal and opposite (not collinear) forces that tend to cause a rotation of a body.

A. Centroids

B. Couple

C. Equilibrium

D. Vector
B
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18. Stress that resist being pulled apart.

A. Compressive

B. Shear

C. Tensile

D. Torsional
C
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19. How do you call the forces that do not lie on the same plane?

A. Component

B. Composition of forces

C. Non-coplanar

D. Resolution
C
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20. The distance between the point of suspension is called_

A. Fix axis

B. center of gravity

C. Center of percussion

D. Radius of oscillation
D
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21. It refers to the internal resistance of a material to being deformed and is measured in terms of the applied load.

A. stress

B. strain

C. ductility

D. malleability
A
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22. The property of a material which resists forces acting to pull the material apart.

A. tensile strength

B. compressive strength

C. bending strength

D. torsional strength
A
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23. The property of a material which resists forces from causing a member to bend or deflect in the direction in which the load is applied.

A. bending strength

B. compressive strength

C. tensile strength

D. torsional strength
A
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24. The property of a material to resist various kinds of rapidly alternating stresses.

A. fatigue strength

B. bending strength

C. compressive strength

D. impact strength
A
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25. The ability of a material to resist loads that are applied suddenly and often at high velocity.

A fatigue strength

B. bending strength

C. compressive strength

D. impact strength
D
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26. It is the ability of the material to resist loads that are applied suddenly and often at high velocity.

A. Fatigue strength

B. Impact strength

C. Hardness

D. Shock Strength
B
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27. When the motion is diminishing/decreasing instead d increasing, then it is called

A. deceleration

B. retarded motion

C. uniform negative impulse

D. all of these
B
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28. Which of the following is a unit of energy?

A. ft-lb.

B. BTU/hr.

C. hp

D. watt
A
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30. Which of the following terms is applied to quantities such as time, volume and density?

A. couple

B. Components

C resultants

D. scalar
D
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31. It is the product of the resultant of all forces acting on a body and the time.
A linear momentum

B: angular momentum

C. linear impulse

D. all of these
C
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32. The separate forces which can be so combined are called
A concurrent forces
B couple
C. non concurrent forces
D. component forces
D
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33. The changes in shape or geometry of the body due to action of a force on it is called deformation or

A shear stresses
B. compressive stress
C. stresses
D. strains
D
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35. The differential of the shear equation is the

A deflection of the beam
B. Tensile strength of beam
C.comprehensive strength of the beam
D. load on the beam
D
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37. Ability to resist deformation under stress.

A plasticity
B. stiffness
C. toughness
D. all of these
B
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38. Which of the following is the allowable tensile strength of the steel plates?

A. 396.41N / (m ^ 2)

B. 379.31N / (m ^ 2)

C. 296.12N / (m ^ 2)

D. 310 * 11N / (m ^ 2)
A
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39. A kilowatt is equal to

A. 8851.2 in-lb/sec².
B. 57 BTU / min
C. 1140 joule / s e0
D. 44.2 ft .-lb./minAA
B
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40. Single force by which it produces the same effect upon a mass by replacing two or more forces acting togethe is called

A vector

B. component of forces

C. resultant

D. resolution
C
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41. Resultant is the equivalent effect of the.

A composition of forces

B. component

C. resultant

D. collinear of forces
A
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42. Several forces which can be combined are called

A. resultants

B. components

C. composing forces

D. collinear forces
B
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44. A material plane was subjected to a load. When the load was removed the strain disappeared. From the structural change, which of the following can be considered about this material?

A. it does not follow Hooke's Law

B. it is elastic

C. it has high modules of elasticity

D. it is plastic
B
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46. Cold rolled shafting is not available in diameter larger than

A. 6 inches

B. 6 1/2 inches

C. 5 inches

D. 5 1/2 inches
C
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47. It is rigid piece which serves to transmit force from a piece to another piece or to cause/ control motion

A. follower

B. cam motion

C. crank

D. link
D
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48. Should two equal and opposite collinear forces are added to the forces already in equilibrium, which the following statement is true?

A. unbalanced moment is maintained

B. equilibrium is maintained

C. equilibrium is disturbed

D. it creates an unbalanced situation
B
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49. The modulus of elasticity for metals in compression usually taken as that in

A tension

B. bearing

C. yield

D. ultimate
A
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57. Any object thrown upward will return to earth with the magnitude of the terminal velocity equal to

A. 50% of the initial velocity

B. 80% of the initial velocity

C. about 90% of the initial velocity

D. the initial velocity
D
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58. The resulting cross-sectional area of the tensile test specimen divided by the specimen original area is called

A. charpy test

B. % elongation

C. impact test

D. izod test
B
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59. What do impact tests measure?

A. Compactness

B. Ductility

C. Plasticity

D. Toughness
D
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60. What method is used to measure the yield point of some brittle materials?

A. offset ratio

B. modulus of resilience

C. modulus measurement

D. parallelogram method
A
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61. The progressive change in position of ____ is called motion.

A. component

B. couple

C. link

D. mass
D
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62. Strain or ____ is a change in geometry/shape of the body due to action of a force on it.

A. bending stress

B. deformation

C. shear stress

D. Stress
B
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63. The forces that can be combined or called component forces.

A. Different

B. Helical

C. Opposite

D. Parallel
A
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64. Non-concurrent forces when in action are
A. Collinear
B. Couple
C. parallel
D. scalar
C
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65. Maximum moment formula for beam simply supporte at both ends and subject to a load uniformly disir over its length.

A. wL / 2

B. wL^2/8

C. wL / 8

D. wL / 12
B
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66. What stress that causes the material to shorten?

A Bearing
B. Compressive
C. Shear
D. Tensile
B
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67. The ability of a material to absorb strain energy and will return to its original state.

A. Creep

B. Fatigue strength

C. Hardness

D. Resilience
D
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18. The ratio of lateral strain to longitudinal strain.

A Deformation
B. Modulus of elasticity
C. Poisson's ratio
D. Willan's line
C
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71. Acceleration is proportional to the force.

A. Hooke's Law

B. Law of gravitation

C. Law of motion

D. Newton's law
D
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74. Which of the following cannot be a Poisson's ratio of a material?

A. 0.35

B. 0.40

C. 0.75

D. 0
C
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75. A statement of how the total moment is derived from a number of forces acting simultaneously at a point.

A. Goodman's theorem

B. Soderberg's theorem

C. Varignon's theorem

D. Moore's theorem
C
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77. It is the measure of the material's ability to yield and absorb highly localized and rapidly applied stresse

A. Hardness

B. Stiffness

C. Toughness

D. Resilience
C
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78. It is the ratio of the length of the column and the radius of gyration of the cross-sectional area about a centroidal axis.

A. contact ratio

B. slenderness ratio

C. centroidal ratio

D. column ratio
B
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79. The moment of inertia of any plane figure can be expressed in units of length to the_

A. First power

B. Second power

C. Third power

D. Fourth power
D
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80. The vector which represents the sum of a group of force vectors is called the

A magnitude

B. resultant

C. sum

D. phase angle
B
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80. The vector which represents the sum of a group of force vectors is called the

A. magnitude

B. resultant

C. sum

D. phase angle
B
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81. What method used to determine the reactions on continuous beams?
A. two-moment equations

B. three-moment equations

C. second moment equations

D. third moment equations
B
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82. Which of the following is the measure of torsional stress?

A accuracy

B. rigidity

C. stiffness

D. rigidity
C
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The theory of mechanics of material shows that the results from the octahedral shear stress theory and those from the maximum distortion-energy theory are

A. the same

B. less than

C. more than

D. not related
A
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84. Which of the following is a mechanical linkage or mechanism that can turn about a center of rotation

A. oscillation

B. crank

C. coupler

D. drag link
B
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85. For a system to be in equilibrium, the sum of the external forces acting on the system must be

A. equal to unity

B. a maximum

C. indeterminate

D. zero
D
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86. The mass moment of inertia of a cylinder about its central axis perpendicular to a circular cross section is

A. directly proportional to its radius

B. independent of its radius

C. directly proportional to its length

D. independent of its length
C
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87. Which of the forces whose line of actions are parallel but not necessarily equal in magnitude?

A couple

B. resultant

C. non collinear

D. non concurrent
D
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88. The product of the mass and the velocity of the center of gravity of the body is called

A. linear momentum

B. linear impulse

C. angular impulse

D. angular momentum
A
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89. If the velocity is variable and regularly/constantly increasing the rate of change is called

A. Acceleration

B. Constant work

C. Moment

D. Motion
A
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90. The kinematic chain in which one link is considered fixed for the purpose of analysis but motion is possible in other links.

A. Belting

B. Frame

C. Mechanism

D. Sprocket chain
B
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91. The is one of the rigid members / bodies joined together to form a kinematic chain.

A Coplanar

B. Frame

C. Link

D. Machine
C
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92. It consists of two cranks, a stationary piece called the line of centers and the connecting rod is_

A five-bar linkage

B. three-crank linkage

C. four-crank braces

D. four-bar linkage
D
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93. Peculiar strength of the metal to resist being crushed

A. shear strength

B. compressive strength

C. ultimate strength

D. elastic limit
B
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94. Instantaneous center is also called

A centro

B. virtual center

C. rotorpole

D. all of these
B
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96. Which of the following laws which states that the force of attraction between two bodies is directly proportional to the product of their masses and inversely proportional to distance square between their centers.

A Hooke's law

B. Law of gravitation

C. Law of motion

D. Newton's law
B
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97. If the velocity is variable and regularly/constantly increasing the rate of change is called_

A. Acceleration

B. Constant work

C. Moment

D. Motion
A
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98. The kinematic chain in which one link is considered fixed for the purpose of analysis but motion is possible in other links.

A. Belting

B. Frame

C. Mechanism

D. Sprocket chain
B
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99. The ____ is one of the rigid members / bodies joined together to form a kinematic chain.

A. Coplanar

B. Frame

C. Link

D. Machine
C
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100. The progressive change in position of ____ is called motion.

A. component

B. couple

C. link

D. mass
D
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