A trolley wire weighs 1.2 kg per meter length. The ends of the wire are attached to two poles 20 meters apart. If the horizontal tension is 1500 kg find the dip in the middle of the span___________________?

Byadmin January 25, 2019August 16, 2021

A. 2.5 cm
B. 3.0 cm
C. 4.0 cm
D. 5.0 cm
E. 2.0 cm

Engineering Mechanics

Which of the following is not a vector quantity __________________?

Which of the following is not a vector quantity __________________?

A. weight
B. velocity
C. acceleration
D. force
E. moment

Read More Which of the following is not a vector quantity __________________?
Engineering Mechanics | Mechanical Engineering

In a framed structure, as shown in the below figure, the force in the member CD is tensile in nature.

Question: In a framed structure, as shown in the below figure, the force in the member CD is tensile in nature.
[A].

Agree
[B].
Disagree

Answer: Option A

Explanation:

No answer description available for this question.

Read More In a framed structure, as shown in the below figure, the force in the member CD is tensile in nature.
Engineering Mechanics | Mechanical Engineering

If a pendulum is taken 1 km below the earth surface in a mine, it will __________ in time.

Question: If a pendulum is taken 1 km below the earth surface in a mine, it will __________ in time.
[A].

gain
[B].
loose

Answer: Option A

Explanation:

No answer description available for this question.

Read More If a pendulum is taken 1 km below the earth surface in a mine, it will __________ in time.
Engineering Mechanics | Strength of Materials

If three forces acting in different planes can be represented by a triangle, these will be in________________?

If three forces acting in different planes can be represented by a triangle, these will be in________________?

A. non-equilibrium
B. partial equilibrium
C. full equilibrium
D. unpredictable
E. none of the above

Read More If three forces acting in different planes can be represented by a triangle, these will be in________________?
Engineering Mechanics

Friction force for dry surfaces. Friction force is________________?

Friction force for dry surfaces. Friction force is________________?

Pick up wrong statement?
A. proportional to normal load between the surfaces
B. dependent on the materials of contact surface
C. proportional to velocity of sliding
D. independent of the area of contact surfaces
E. none of the above is wrong statement

Read More Friction force for dry surfaces. Friction force is________________?
Engineering Mechanics | Mechanical Engineering

A lead ball with a certain velocity is made to strike a wall, it falls down, but rubber ball of same mass and with same velocity strikes the same wall, it rebounds. Select the correct reason from the following:

Question: A lead ball with a certain velocity is made to strike a wall, it falls down, but rubber ball of same mass and with same velocity strikes the same wall, it rebounds. Select the correct reason from the following:
[A].

both the balls undergo an equal change in momentum
[B].
the change in momentum suffered by rubber ball is more than the lead ball
[C].
the change in momentum suffered by rubber ball is less than the lead ball
[D].
none of the above

Answer: Option B

Explanation:

No answer description available for this question.

Read More A lead ball with a certain velocity is made to strike a wall, it falls down, but rubber ball of same mass and with same velocity strikes the same wall, it rebounds. Select the correct reason from the following:

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