Earthquake Engineering (3160621) MCQs

MCQs of Fundamentals of Earthquake Vibrations of buildings

Showing 31 to 40 out of 53 Questions
1 2 3 4 5 6
31.

Force required to produce unit deformation is known as

(a)

Flexibility
(b)

Strength
(c)

Stiffness
(d)

Ductility
Answer:

Option (c)

32.

Time required to complete one cycle of free vibration is known as

(a)

Natural Time Period
(b)

Frequency
(c)

Angular Frequency
(d)

None of the Above
Answer:

Option (a)

33.

Numbers of cycle per unit time is known as

(a)

Time Period
(b)

Natural Frequency
(c)

Angular Frequency
(d)

None of the Above
Answer:

Option (b)

34.

Maximum displacement or deformation of a vibrating system from its mean position is called as

(a)

Natural Frequency
(b)

Resonance
(c)

Amplitude
(d)

None of the above
Answer:

Option (c)

35.

The fundamental mode of vibrating of a structure is the mode having the ________________ Natural Frequency.

(a)

Highest
(b)

Average
(c)

Lowest
(d)

None of the above
Answer:

Option (c)

36.

Frequency of external force is match with one the natural frequency of vibrating system. This phenomenon is known as.

(a)

Critical Damping
(b)

Resonance
(c)

Amplitude
(d)

None of the above
Answer:

Option (b)

37.

A harmonic motion has a time period of 0.2 sec. what will be the natural angular frequency?

(a)

31.4 rad/s
(b)

20 rad/s
(c)

35.4 rad/s
(d)

None of the above
Answer:

Option (a)

38.

A harmonic motion has frequency of 12 cycle/sec. What will be the angular frequency?

(a)

76.5 rad/s
(b)

80 rad/s
(c)

75.4 rad/s
(d)

None of the above
Answer:

Option (c)

39.

Which is most importance element of SDOF system to determine dynamic behaviour of system?

(a)

Inertia force
(b)

Spring Force
(c)

Damping Force
(d)

All of the Above
Answer:

Option (d)

40.

Which is the equation of free undamped vibration of SDOF system?

(a)

m𝑥 + k𝑥 + cx = 0
(b)

m𝑥 + k𝑥 = 0
(c)

m𝑥 + cx = 0
(d)

None of the above.
Answer:

Option (b)

Showing 31 to 40 out of 53 Questions
1 2 3 4 5 6