FREE Bachelor of Mechanical Engineering Advanced Mechanics Questions and Answers

Question 1

What doesn't make a cable susceptible to its own weight balance in a three-dimensional system of axes?

Accepted Answer

∑F≠0

Answer

∑Fz=0

Answer

∑Fy=0

Answer

∑Fx=0

Question 2

The cable is assumed to be subject to its own weight for the computations. One of the presumptions in this is that the cable is .

Accepted Answer

Flexible

Answer

Static

Answer

Non-flexible

Answer

Extensible

Question 3

In calculations for cable exposed to its own weight, the magnitude of the resultant of the two vectors is always:

Accepted Answer

Depends on the angle between them

Answer

Axis we choose to calculate the magnitude

Answer

Smaller than one of the vector’s magnitude

Answer

Greater than one of the vector’s magnitude

Question 4

When loaded, cable that is supporting its own weight has the shape of a .

Accepted Answer

Line

Answer

Helix

Answer

Complex figure

Answer

Spring

Question 5

What quality of the cable causes it to have no resistance to bending while it is under its own weight?

Accepted Answer

Flexibility property

Answer

Static property

Answer

Extensible property

Answer

Non-flexible property

Question 6

Which direction is the tensile force acting on the cable under the weight w.r.t the cable?

Accepted Answer

Tangential

Answer

Parallel

Answer

Perpendicular

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At an angle of 2 radians

Question 7

The loading in the cable under its own weight has little effect on the cables' Integrity.

Accepted Answer

Geometry

Answer

Point at which the shear stress is zero

Answer

Bending moment

Answer

Colour

Question 8

What number of equations are necessary to solve all the unknown variables for cable subjected to its own weight if the unknown variables in the computations are greater than the known quantities?

Accepted Answer

Finite

Answer

Infinite

Answer

Not possible

Answer

Question fault

Question 9

The following rules apply to computations involving cable that is subject to its own weight:

Accepted Answer

Parallelogram law of addition

Answer

Parallelogram law of addition of square of their magnitudes

Answer

Parallelogram law of multiplication

Answer

Parallelogram law of addition of square root of their magnitudes

Question 10

What angle is the resultant force acting at in comparison to one of the vectors when two equal vector forces are mutually perpendicular in a cable subjected to its own weight?

Accepted Answer

45 degree

Answer

0 degree

Answer

90 degree

Answer

180 degree