# Multiple choice question for engineering

## Set 1

1. __________ is a structure made of slender members which are joined together at their end points.

a) Truss

b) Beam

c) Pillar

d) Support

### View Answer

2. _________ trusses lie on a plane.

a) Planar

b) 2D

c) Linear

d) 3D

### View Answer

3. In a roof supporting truss the load is transmitted when ________

a) First to the truss then the joints through purlins

b) First to the purlins then the joints through trusses

c) First to the truss then the purlins through joints

d) First to the joints then the trusses through purlins

### View Answer

4. As the loading is acting in the two dimensions, that is in a single plane. Thus the calculations involved in the trusses are in 2D.

a) True

b) False

### View Answer

5. In case of bridge the load is transferred when __________

a) Stringers > floor beams > joints

b) Floor beams > stringers > joints

c) Joints > floor beams > stringers

d) Stringers > joints > floor beams

### View Answer

6. As the loading in bridge different from the simple trusses the calculations involved in the bridges are all 2D calculations.

a) True

b) False

### View Answer

7. When the bridges are extended over long routes or distance then _________

a) A rocker or a roller is used at the joints

b) They are not extended to such a long distance

c) The bridges are painted

d) The roads are made narrow

### View Answer

8. Find the force in the member RP of the frame shown below.

a) 707.1N

b) 500N

c) 505N

d) 784N

### View Answer

9. To design the trusses which of the following rules is followed?

a) All the loads are applied by the use of cables

b) The loads ae applied at the joints

c) All the loads are not applied at the joints

d) The loads are not applied at all to the joints

### View Answer

10. The rules which are used to design the trusses are having various rules. Of them one is that the smooth pins are not used to join the members.

a) Statement is correct

b) Statement is incorrect

c) Statement is incorrect because there are no rules

d) Statement is incorrect as the rolling pins are used

### View Answer

11. Find the force in the member RQ of the frame shown below.

a) 566N

b) 400N

c) 773N

d) 1090N

### View Answer

12. Find the force in the member QS of the frame shown below.

a) 566N

b) 400N

c) 773N

d) 1090N

### View Answer

13. A _________ truss is in triangular section.

a) Equilateral

b) Simple

c) Complex

d) Lateral

### View Answer

14. Find the force in the member PQ of the frame shown below.

a) 566N

b) 546N

c) 773N

d) 1090N

### View Answer

15. Which of the following is correct?

a) To know the direction of the unknown force we take assumption of it

b) The direction of the unknown force is known to us already

c) The direction of the unknown can’t be determined

d) The direction of the unknown is of no use, it is not founded

### View Answer

## Set 2

1. The basic type of motion of a body is translation motion only.

a) True

b) False

### View Answer

2. Find the total resultant force acting horizontally in the given figure below, consisting of a beam with various sections?

a) 350N

b) 50N

c) 250N

d) 300N

### View Answer

3. Principle of transmissibility is

a) It states that the force acting on the body is a sliding vector

b) It states that the force acting on the body is a rolling vector

c) It states that the force acting on the body is a wedging vector

d) It states that the force acting on the body is a unit vector

### View Answer

4. Coplanar forces are not easily simplified in the simplification of the force and couple system.

a) True

b) False

### View Answer

5. What will be the total resultant force acting vertically in the figure given below consisting of a beam with various sections?

a) 350N

b) 50N

c) 250N

d) 300N

### View Answer

6. The simplification of the couple is done on the basis of the ______________

a) The clockwise of the anti-clockwise rotation sign convention

b) The simplification is not possible

c) The couple is a vector and thus can’t be simplified

d) The couple is a scalar and can’t be simplified

### View Answer

7. The simplification of the forces on the axis is done as______________

a) A particular system of rule is followed

b) No simplification of the forces is possible

c) The forces are already simplified and don’t need simplification

d) The forces are very tentative quantity on terms of simplification and hence no simplification possible

### View Answer

8. Find the total resultant force acting horizontally in the given figure consisting of a beam of ‘L’ shape?

a) 60N

b) 605N

c) 0N

d) 6N

### View Answer

9. The couple is a scalar quantity and the force is vector quantity and hence only force can be simplified as __________

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

### View Answer

10. The force and the couple can’t be simplified together as one is the cause and the other is the effect.

a) The statement is correct and the reason given is also correct

b) The statement is wrong but the reason given is also correct

c) The statement is wrong and the reason given is also wrong

d) The statement is correct but the reason given is also wrong

### View Answer

11. The main moto of the simplification is to ______________

a) To reduce the calculation

b) To add the forces with the couples and take out the total

c) To subtract the forces with the couples and take out the total

d) To multiply the forces with the couples and take out the total

### View Answer

12. Find the total resultant force acting vertically in the given figure below consisting of a beam of ‘L’ shape.

a) 180N

b) 18N

c) 10N

d) 100N

### View Answer

13. The couple is simplified easily by the help of right hand rule. 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

### View Answer

14. The couple moment and the force is divided to get the distance of the axis from the point of action of the force.

a) True

b) False

### View Answer

15. Find the total resultant moment acting vertically in the given figure below consisting of a beam of ‘L’ shape.

a) 640Nm

b) 60Nm

c) 40Nm

d) 400Nm

### View Answer

## Set 3

1. __________ is a structure made of slender members which are joined together at their end points.

a) Space Truss

b) Pillar

c) Beam

d) Support

### View Answer

2. As the loading is acting in the three dimensions, that is in a multi planes. Thus the calculations involved in the trusses are in 3D.

a) True

b) False

### View Answer

3. Which of the following is correct for space trusses?

a) To know the direction of the unknown force we take assumption of it

b) The direction of the unknown force is known to us already

c) The direction of the unknown can’t be determined

d) The direction of the unknown is of no use, it is not founded

### View Answer

4. Find the force in the member RQ.

a) 750N

b) 450N

c) 250N

d) 200N

### View Answer

5. As the loading in bridge different from the simple trusses the calculations involved in the bridges are all 2D calculations.

a) True

b) False

### View Answer

6. In case of bridge the load is transferred as:

a) Stringers > floor beams > joints

b) Floor beams > stringers > joints

c) Joints > floor beams > stringers

d) Stringers > joints > floor beams

### View Answer

7. To design the space trusses which of the following rules is followed?

a) All the loads are applied by the use of cables

b) The loads ae applied at the joints

c) All the loads are not applied at the joints

d) The loads are not applied at all to the joints

### View Answer

8. The rules which are used to design the space trusses are having various rules. Of them one is that the smooth pins are not used to join the members.

a) Statement is correct

b) Statement is incorrect

c) Statement is incorrect because there are no rules

d) Statement is incorrect as the rolling pins are used

### View Answer

9. In a roof supporting space truss the load is transmitted as:

a) First to the truss then the joints through purlins

b) First to the purlins then the joints through trusses

c) First to the truss then the purlins through joints

d) First to the joints then the trusses through purlins

### View Answer

10. The free body diagram of which part of the section of the space truss is made to make use of method of joints?

a) Joints

b) Truss

c) The whole structure

d) The combination of joint and the whole structure

### View Answer

11. Find the force in the member RQ of the frame shown below.

a) 566N

b) 400N

c) 773N

d) 1090N

### View Answer

12. We use the method of joint to find the forces acting over the joints in the space trusses. In this we start from the joint having at least one known force and at the most two unknown forces.

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

### View Answer

13. As space trusses are used in bridges. When the bridges are extended over long routes or distance then:

a) A rocker or a roller is used at the joints

b) They are not extended to such a long distance

c) The bridges are painted

d) The roads are made narrow

### View Answer

14. What is after taking the assumption of the direction of the force in space trusses, the direction comes opposite?

a) The assumption made was wrong and the question can’t be solved further

b) The assumptions are not to be taken

c) The direction is in the opposite sense, and hence the direction is known to us

d) The direction will be already given to us, no need of assuming

### View Answer

15. _________ trusses lie on a 3D volume.

a) Planar

b) 2D

c) Linear

d) 3D

### View Answer

## Set 4

1. The main condition for the stability of equilibrium configuration is that the distance between various particles of the body does change.

a) True

b) False

### View Answer

2. Determine the vertical components of the reaction on the beam caused by the pin at Q.

a) 286N

b) 68N

c) 28N

d) 288N

### View Answer

3. Which of the following is correct for stability of equilibrium configuration?

a) The application of the conditions of the equilibrium of the body is valid only in the 2D

b) The application of the conditions of the equilibrium of the body is valid only in the 3D

c) The application of the conditions of the equilibrium of the body is valid only in the 1D

d) The application of the conditions of the equilibrium of the body is valid throughout

### View Answer

4. For stability of equilibrium configuration the net force acting on the body is zero.

a) True

b) False

### View Answer

5. For stability of equilibrium configuration the net moment acting on the body by various forces is zero.

a) True

b) False

### View Answer

6. The net force of the body is zero that means the force are not being applied to the body at all and hence the body has achieved stability.

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

### View Answer

7. Which of the following needs to zero for the stability of equilibrium configuration?

a) ∑F=0, ∑M=0 and ∑θ = 0

b) ∑F=0, ∑M≠0 and ∑θ = 0

c) ∑F≠0, ∑M=0 and ∑θ = 0

d) ∑F=0, ∑M=0 and ∑θ≠0

### View Answer

8. Determine the horizontal components of the reaction on the beam caused by the pin at Q. The force 60N is multiplied by 10 and then is applied.

a) 0N

b) 445N

c) 45N

d) 40N

### View Answer

9. Free body diagrams doesn’t play any role in making the calculations on the conditions of stability of equilibrium configuration.

a) True

b) False

### View Answer

10. The net moment of the body is zero that means the distance between the force and the rotational axis is zero thus the stability of equilibrium configuration.

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

### View Answer

11. If the resolved force for the stability of equilibrium configuration or the force which you get as the answer after solving the question is negative, then what does this implies?

a) The force is in the reverse direction w.r.t the direction set in the free body diagram

b) The force is not in the reverse direction w.r.t the direction set in the free body diagram

c) The force component is not possible

d) The force is possible, but in the direction perpendicular to the resultant force

### View Answer

12. If the body is in stability of equilibrium configuration, but it having a rotational curled ray shown in the free body diagram then:

a) The diagram is wrong

b) Such rotations can’t be shown in the fbds(free body diagrams)

c) The ray shown may be correct, but the body is not said to be in equilibrium

d) The body is said to be in equilibrium only, as the other forces will cancel out that rotation

### View Answer

13. If five forces are acting on the single particle and having an angle of 72˚ between each and are collinear, then:

a) The net force acting on the body is zero and it is stable

b) The net force acting on the body is horizontal

c) The net force acting on the body is vertical

d) The net force acting on the body is at an angle of 45

### View Answer

14. For the conditions of the stability of equilibrium configuration of the body, i.e. the body only the external forces defines the equilibrium. Because the internal forces cancels out so not to be considered.

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

### View Answer

15. We need to apply vector math sometimes in the calculation of stability of equilibrium configurations. So the coordinate of the Force vector AB is A (2, 0, 2) and B (-2, 3.46, 3). It has a magnitude of 750N. Which is the best Cartesian representation of the vector AB?

a) -557i + 482j + 139k N

b) -557i – 482j + 139k N

c) -557i + 482j – 139k N

d) 557i – 482j – 139k N

### View Answer

## Set 5

1. What is a collinear system of forces?

a) The force system having all the forces parallel to each other

b) The force system having all the forces perpendicular to each other

c) The force system having all the forces emerging from a single point

d) Forces cannot form a collinear system of forces, it is not possible

### View Answer

2. Find the total resultant force acting in the given figure consisting of a beam with various sections.

a) 350N

b) 461N

c) 250N

d) 300N

### View Answer

3. In the collinear force system a net force is being made after all the simplification done on all the forces.

a) True

b) False

### View Answer

4. Just like the collinear forces there are collinear couple and the net moment is taken out from it.

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

### View Answer

5. Just like the collinear force system there is a system of the parallel forces.

a) True

b) False

### View Answer

6. Find the total resultant moment acting in the given figure consisting of a beam with various sections.

a) 37.5Nm

b) 7.5Nm

c) 79.5Nm

d) 370.5Nm

### View Answer

7. The system of the collinear and the parallel force are simplified as ______________

a) The simplified collinear force system gives us a net force and the parallel force system gives us a simplified force, and then we add it vectorially

b) Such simplification is not possible

c) The simplification is usually done by not considering the directions of the both

d) The simplification is done by considering the rotations only

### View Answer

8. The couple and the other two force systems can be easily simplified.

a) Statement is wrong

b) Statement is right

c) Statement is right if we remove ‘couple’ part

d) Statement is right if we remove ‘force’ part

### View Answer

9. The resultant force is equal to the _______ of all the forces.

a) Sum

b) Product

c) Subtraction

d) Division

### View Answer

10. The couple is simplified easily by the help of left hand rule. 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

### View Answer

11. The forces of the parallel system and the couple can’t be simplified together as one is the cause and the other is the effect.

a) The statement is correct and the reason given is also correct

b) The statement is wrong but the reason given is also correct

c) The statement is wrong and the reason given is also wrong

d) The statement is correct but the reason given is also wrong

### View Answer

12. The forces of the collinear system and the couple can’t be simplified together as one is the cause and the other is the effect.

a) The statement is correct and the reason given is also correct

b) The statement is wrong but the reason given is also correct

c) The statement is wrong and the reason given is also wrong

d) The statement is correct but the reason given is also wrong

### View Answer

13. Find the angle between the horizontal and vertical forces acting in the given figure consisting of a beam with various sections.

a) 49.4˚

b) 9.4˚

c) 4.4˚

d) 40.4˚

### View Answer

14. Find the total resultant moment acting in the given figure consisting of a beam with various sections.

a) 210Nm

b) 10Nm

c) 20Nm

d) 102Nm

### View Answer

15. Find the total resultant force acting in the given figure consisting of a beam with various sections.

a) 157N

n) 175N

c) 15N

d) 17N