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Engineering
Civil
Civil Set-1
Structural Engineering I
32

Structural Engineering I MCQ with Answers

32) Select the correct statement

The body centrode rolls on the space centrode.

The space centrode rolls on the body centrode.

Both body and space centrodes may role on each other.

The body centrode never touches space centrode.

Answer is:

The body centrode rolls on the space centrode.

Structural Engineering I MCQ with Answers

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33) At the instantaneous center, the velocity of the moving lamina at any instant is

zero

maximum

minimum

varying

Answer is:

zero

34) Instantaneous center is at infinity when the angular velocity is

constant

zero

maximum

minimum

Answer is:

zero

35) A 2 m long ladder rests against a wall and makes an angle of 30° with the horizontal floor. Where will be the instantaneous center of rotation when the ladder starts slipping ?i) 1.0 in from the wallii)1.732 m from the walliii) 1.0 m above the flooriv) 1.732 m above the floor The correct answer is

(i) and (iii)

(i) and (iv)

(ii) and (iii)

(ii) and (iv)

Answer is:

(ii) and (iv)

36) For a given velocity of a projectile, the range is maximum when the angle of projection is

30°

45°

90°

0°

Answer is:

45°

Explanation:

Angle of projection: Angle of projection is the angle, with the horizontal,at which the projectile is projected.

For a given velocity of a projectile, the range is maximum when the angle of projection is 45°.

For a given velocity of a projectile, the range is maximum when the angle of projection is

Structural Engineering I MCQ with Answers

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32) Select the correct statement

The body centrode rolls on the space centrode.

Structural Engineering I MCQ with Answers

Related Structural Engineering I MCQ with Answers

33) At the instantaneous center, the velocity of the moving lamina at any instant is

zero

34) Instantaneous center is at infinity when the angular velocity is

zero

(ii) and (iv)

36) For a given velocity of a projectile, the range is maximum when the angle of projection is

45°

Structural Engineering I MCQ with Answers