# Multiple choice question for engineering

## Set 1

1. In the calculation of the radius of gyration, we use intensity of loadings. So whenever the distributed loading acts perpendicular to an area its intensity varies __________

a) Linearly

b) Non-Linearly

c) Parabolically

d) Cubically

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2. The radius of gyration is related to moment of the body. So the calculation of the moment of the body due to the loadings involve a quantity called ____________

a) Moment

b) Inertia

c) Moment of Inertia

d) Rotation

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3. Find the moment of the force about the point R.

a) 5000Nm

b) 5550Nm

c) 6000Nm

d) 7000Nm

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4. How far from the shaft at P a 200N vertical force must act so as to create the same moment as produced by the 75N, at P?

a) 1.2m

b) 1.125m

c) 0.6m

d) 0m

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5. Moment of Inertia is the integration of the square of the distance of the centroid and the del area along the whole area of the structure and this moment is at a distance from the rotating axis, known as radius of gyration.

a) True

b) False

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6. There is perpendicular axis theorem for the calculation of radius of gyration.

a) True

b) False

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7. Radius of gyration is indirectly to the parallel axis theorem. The parallel axis theorem gives the moment of inertia ______________ to the surface of considesrance.

a) Linear

b) Non-Linear

c) Perpendicular

d) Parallel

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8. The parallel axis theorem can add any angle varied moment of inertias to give the perpendicular moment of inertia and the radius of gyration can be calculated.

a) True

b) False

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9. As radius of gyration is indirectly to the parallel axis theorem, parallel axis theorem uses the ____________ of the distance.

a) Square root

b) Square

c) Cube root

d) Cube

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10. The distance in the parallel axis theorem is multiplied by:

a) Area

b) Volume

c) Linear distance

d) Area/Volume

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11. One of the use of the centre of mass or centroid is as in the radius of gyration is that the net force acts at the ___________ of the loading body.

a) Centroid

b) The centre axis

c) The corner

d) The base

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12. If the non-Uniform loading is of the type of parabola then for calculating the radius of gyration?

a) The net load will not be formed as all the forces will be cancelled

b) The net force will act the centre of the parabola

c) The net force will act on the base of the loading horizontally

d) The net force will act at the centroid of the parabola

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13. If any external force also is applied on the structure and we are determining radius of gyration then what should we consider?

a) The net force will act at the centroid of the structure only

b) The net load will not be formed as all the forces will be cancelled

c) The net force will act on the base of the loading horizontally

d) The net force will not to be considered, there would be a net force of the distribution, rest will be the external forces

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14. The body is sometimes acted by two or three force members and we need to find radius of gyration for the same. The difference between the two and the three force members is:

a) The former is collinear and the latter is parallel

b) The former is parallel and the latter is perpendicular

c) The former is perpendicular and the latter is collinear

d) The former is acting on two points in the body while the latter is on three points

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## Set 2

1. The uniformly distributed load is having two different values of load per unit length on the ends of the distribution.

a) True

b) False

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2. There are two types of loading. The uniformly distributed and the non-uniformly distributed that is the one having two different values at corners.

a) The first part of the statement is false and other part is true

b) The first part of the statement is false and other part is false too

c) The first part of the statement is true and other part is false

d) The first part of the statement is true and other part is true too

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3. The type of reduction of the loading is different for the uniformly distributed and the non-uniformly.

a) True

b) False

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4. Determine the magnitude of the resultant force acting on the shaft shown from left.

a) 640N

a) 675N

a) 620N

a) 610N

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5. In the simplification of the loading system the net force acts at the ___________ of the loading body.

a) Centroid

b) The centre axis

c) The corner

d) The base

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6. In triangle distributed loading, the loading at any distance can be easily found by using which of the following trigonometry function?

a) Tangent

b) Sine

c) Cosine

d) Sine inverse

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7. Determine the magnitude of the resultant force acting on the shaft shown. The length is 2m.

a) 160N

b) 16N

c) 169N

d) 111N

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8. If the non-Uniform loading is of the type of parabola then?

a) The net load will not be formed as all the forces will be cancelled

b) The net force will act the centre of the parabola

c) The net force will act on the base of the loading horizontally

d) The net force will act at the centroid of the parabola

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9. If any external force also is applied on the distributed loading then?

a) The net force will act at the centroid of the structure only

b) The net load will not be formed as all the forces will be cancelled

c) The net force will act on the base of the loading horizontally

d) The net force will not to be considered, there would be a net force of the distribution, rest will be the external forces

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10. The resultant force acting, of the uniformly distributed loading is dependent on:

a) Area

b) Vertical distance

c) Length of the supports

d) The distance of the supports between them

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11. The difference between the two types of loading namely uniformly distributed and the non-uniformly distributed loading is that:

a) The latter has the involvement of the integration for the calculation of the net force

b) The former has the involvement of the integration for the calculation of the net force

c) The latter has the involvement of the differentiation for the calculation of the net force

d) The former has the involvement of the differentiation for the calculation of the net force

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12. Determine the location of the resultant force acting on the shaft shown from left. The length is 2m.

a) 1.5m

b) 0.5m

c) 0.7m

d) 1.8m

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13. Determine the location of the resultant force acting on the shaft shown from left.

a) 4.5m

b) 4m

c) 3.5m

d) 2m

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15. Determine the magnitude of the resultant force acting on the shaft shown from left.

a) 1650N

b) 150N

c) 1250N

d) 1450N

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## Set 3

1. What does the moment of the force measure in the rolling of the body?

a) The tendency of rotation of the body along any axis

b) The moment of inertia of the body about any axis

c) The couple moment produce by the single force acting on the body

d) The total work done on the body by the force

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2. Determine the vertical force acting in the given figure.

a) 236N

b) 600n

c) 403N

d) 830N

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3. If a car is moving forward, what is the direction of the moment of the moment caused by the rolling of the tires, assume non slippery surface?

a) It is heading inwards, i.e. the direction is towards inside of the car

b) It is heading outwards, i.e. the direction is towards outside of the car

c) It is heading forward, i.e. the direction is towards the forward direction of the motion of the car

d) It is heading backward, i.e. the direction is towards back side of the motion of the car

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4. The moment of the force is the product of the force and the perpendicular distance of the axis and the point of action of the force. Is this also true for rolling?

a) True

b) False

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5. For the rolling of the body the calculation of the moment of the force about the axis of rolling, the cross product table, i.e. the 3X3 matrix which is made for doing the cross product having 3 rows, contains three elements. Which are they from top to bottom?

a) Axis coordinates, point coordinates and the force coordinates

b) Point coordinates, axis coordinates, and the force coordinates

c) Axis coordinates, force coordinates and the point coordinates

d) Force coordinates, point coordinates and the axis coordinates

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6. Find the moment of the force about the point R.

a) 5000Nm

b) 5550Nm

c) 6000Nm

d) 7000Nm

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7. In rolling there is the involvement of the vector math. So for rolling which of the following is correct? (For A representing the vector representation of the axis of rotation, r the radius vector and F the force vector)

a) A.(rxF)

b) Ax(rxF)

c) A.(r.F)

d) Fx(r.F)

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8. In the equation A.(rxF), the r vector is what?

a) The magnitude of the axis, i.e. the length of the axis

b) The length of the force vector

c) The length of the radius

d) The radius vector

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9. The ___________ forces do not cause the rotation/rolling of the body if the rotation is considered in about the axis of the body or the centroid axis of the body.

a) Non-concurrent

b) Concurrent

c) Parallel

d) Non-Parallel

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10. For the rolling of the body right handed coordinate system means (consider the mentioned axis to be positive)?

a) Thumb is z-axis, fingers curled from x-axis to y-axis

b) Thumb is x-axis, fingers curled from z-axis to y-axis

c) Thumb is y-axis, fingers curled from x-axis to z-axis

d) Thumb is z-axis, fingers curled from y-axis to x-axis

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11. In the equation Wa/r generally used in the rolling frictional calculations, what does each stands for?

a) P is the force, W is weight of the body, r radius and a coefficient of rolling friction all in normal powers

b) P is the force in nano Newton, W is weight of the body, r radius and a coefficient of rolling friction

c) P is the force, W is weight of the body in kg, r radius and a coefficient of rolling friction

d) P is the force, W is weight of the body, r radius cm and a coefficient of rolling friction

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12. Which statement is correct about the vector F acting parallel to the direction of the motion of the rolling body?

a) F= Fcos β + Fcos α + Fcosγ

b) F= Fsin β + Fcos α + Fcosγ

c) F= Fcos β + Fsin α + Fcosγ

d) F= Fcos β + Fcos α + Fsinγ

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13. What if the moment of the force calculated about the axis of rolling is negative?

a) It means that the force is applied in the opposite direction as imagined

b) It means that the direction of the motion is in the opposite sense as imagined

c) It means that the radius vector is in the opposite sense as imagined

d) Such calculation means that the calculations are wrongly done

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14. In the equation A.(rxF) the r is heading from ______________ and ending at _____________

a) Axis of rolling, Force vector

b) Axis of rolling, Force vector’s point of action on the body

c) Force vector, Axis of rolling

d) Force vector’s point of action on the body, Axis of rolling

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15. Rotation is termed as rolling when _______

a) Constant velocity of rolling

b) Variable velocity of rolling

c) Constant speed of rolling

d) Variable speed of rolling

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## Set 4

1. ___________ are the structures that are being made to support the loadings applied perpendicular to the axis of that structures.

a) Pillar

b) Box

c) Beam

d) Statues

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2. Beams are long and ________ structures that are being made to support the loadings.

a) Straight

b) Vertical

c) Rounded

d) Curled

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3. Beams have a _________ cross sectional area.

a) Non-uniform

b) Rounded

c) Helical

d) Uniform

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4. Simply supported beams are pinned at both the ends.

a) True

b) False

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5. The other side of the simply supported beam is having pin support, what is the support this side?

a) Roller

b) Pin

c) Hinge

d) Rolling hinge

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6. The cantilever beam is having pin supports both sides of it.

a) True

b) False

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7. The cantilever is having one side of it as fixed while the other one is _________

a) Hinged

b) Roller supported

c) Pinned

d) Free

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8. The design of the beam requires the knowledge of the variation of the ____________

a) Internal shear force

b) Rolling forces

c) Rotational forces

d) External forces

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9. The design of the beam requires the knowledge of the variation of the ____________

a) Bending moment

b) Rolling forces

c) Rotational forces

d) External forces

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10. The bending moment and the shearing stress can be obtained by which method?

a) Bending moment

b) Rolling method

c) Section method

d) Method of section

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11. We can make the graph of shear force acting on the beam. But not for the bending moment.

a) The first part of the statement is false and other part is true

b) The first part of the statement is false and other part is false too

c) The first part of the statement is true and other part is false

d) The first part of the statement is true and other part is true too

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12. We apply the equations of ________ to determine various forces acting on the beams.

a) Equilibrium

b) Rotation moment

c) Linear moment

d) Translation

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13. Which of the following is true for a beam having various forces acting over it?

a) If we are considering the clockwise direction to be positive then the rotation along the counter clockwise direction is negative

b) If we are considering the clockwise direction to be negative then the rotation along the counter clockwise direction is also negative as no such assumptions can be taken

c) If we are considering the clockwise direction to be positive then the rotation along the counter clockwise direction is also positive as no such assumptions can be taken

d) If we are considering the clockwise direction to be negative then the rotation along the counter clockwise direction is neither positive nor negative as we only pre assumed the clockwise direction

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14. Determine the shear force generated.

a) 1.35KN

b) 25KN

c) 22KN

d) 23KN

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15. Determine the moment generated at R.

a) 18.75KNm

b) 8.75KNm

c) 1.75KNm

d) 175KNm

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## Set 5

1. The determination of the internal loading in the beams for shear stress diagrams is usually done so as to:

a) Break the beam

b) Know the length

c) Know the diameter

d) Design the beam

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2. The change in moment in shear stress diagrams is equal to _________

a) Rotational moment

b) Bending moment

c) Total weight

d) Area under shear diagram

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3. Determine the shear force of the beam shown.

a) 450N

b) 50N

c) 40N

d) 45N

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4. The couple moment and the force in shear stress diagrams is divided to get the distance of the axis from the point of action of the force.

a) True

b) False

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5. The slope of the shear diagram is equal to__________

a) Rotational moment

b) Bending moment

c) Total weight

d) Distributed load intensity

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6. The equation of change in moment in shear stress diagrams equals area under shear diagram is not applied when?

a) Rotational moment

b) Bending moment

c) Total weight

d) A concentrated force acts

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7. Change in the shear in shear stress diagrams is equal to ____________

a) Rotational moment

b) Bending moment

c) Total weight

d) Area under loading curve

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8. Determine the normal force of the beam shown.

a) 0N

b) 50N

c) 40N

d) 45N

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9. The equation of change in moment in shear stress diagrams equals area under shear diagram is not applied when?

a) Rotational moment

b) Bending moment

c) Total weight

d) Couple moment acts

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10. The couple in the beam is simplified easily by the help of right hand rule in shear stress diagrams. But the forces simplification is not possible as there is no such system of rules so that the forces can be simplified.

a) The first part of the statement is false and other part is true

b) The first part of the statement is false and other part is false too

c) The first part of the statement is true and other part is false

d) The first part of the statement is true and other part is true too

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11. Slope of the moment diagram is equal to _________

a) Rotational moment

b) Bending moment

c) Total weight

d) Shear

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12. The internal loading in shear stress diagrams can be found by ___________

a) Distributed load method

b) Method of area

c) Method of line

d) Method of volume

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13. In the making of the shear force diagram or the bending moment diagrams, one method is used, distributed load. In this the distributed load will be considered positive if?

a) Loading acts upward

b) Loading acts downward

c) Loading acts rightward

d) Loading acts leftward

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14. The shear diagram will jump downward if _________

a) Rotational moment

b) Bending moment

c) Total weight

d) Force will act downwards

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15. The shear diagram will jump upwards if_____________

a) Rotational moment

b) Bending moment

c) Total weight

d) Change in shear is positive