Theory Of Machine - Practice Test

[#96] The tendency of a body to resist change from rest or motion is known as

(A) Mass

(B) Friction

(C) Inertia

(D) Resisting force

Correct Answer

(C) Inertia

[#97] The length of a simple pendulum which gives the same frequency as the compound pendulum, is

(A) $${ ext{kG}} + {l_1}$$

(B) $${ ext{k}}{{ ext{G}}^2} + {l_1}$$

(C) $$frac{{{ ext{k}}{{ ext{G}}^2} + l_1^2}}{{{l_1}}}$$

(D) $$frac{{{ ext{kG}} + l_1^2}}{{{l_1}}}$$

Correct Answer

(C) $$frac{{{ ext{k}}{{ ext{G}}^2} + l_1^2}}{{{l_1}}}$$

[#98] For the brake to be self locking, the force P at C shown in the below figure, should

(A) Be zero

(B) Act in upward direction

(C) Act in downward direction

(D) None of these

Correct Answer

(A) Be zero

Explanation

Solution:

[#99] When the pitching of a ship is __________ the effect of gyroscopic couple acting on it will be to move the ship towards port side.

(A) Upward

(B) Downward

(C) Forward

(D) Backward

Correct Answer

(B) Downward

[#100] In a system subjected to damped forced vibrations, the ratio of maximum displacement to the static deflection is known as

(A) Critical damping ratio

(B) Damping factor

(C) Logarithmic decrement

(D) Magnification factor

Correct Answer

(D) Magnification factor

Theory Of Machine - Study Mode

[#96] The tendency of a body to resist change from rest or motion is known as

Correct Answer

[#97] The length of a simple pendulum which gives the same frequency as the compound pendulum, is

Correct Answer

[#98] For the brake to be self locking, the force P at C shown in the below figure, should

Correct Answer

Explanation

[#99] When the pitching of a ship is __________ the effect of gyroscopic couple acting on it will be to move the ship towards port side.

Correct Answer

[#100] In a system subjected to damped forced vibrations, the ratio of maximum displacement to the static deflection is known as

Correct Answer