Engineering Answers

For the 2nd order system given Ts =7 sec and Tp= 3 sec find the value of % OS and location of poles.

It is found that the energy required to reduce particles from a mean 

diameter of 2 cm to 0.5 cm is 9 kJ kg

-1

. Estimate the energy 

requirement to reduce the same particles from a diameter of 0.4 cm 

to 0.03 cm assuming:

(a) Kick's Law,

(b) Rittinger's Law,

(c) Bond's Equation.

Classify the following signal as energy signal or power signal. Find the

normalized energy or normalized power.

(i) sin 2t + 3 cos 4t

∫0^∞e^x³ dx is equal to

A) 1/3Γ(1/3)

B) 1/2Γ(1/3)

C) Γ(1/3)           D) 3Γ(1/3)

The breathing process within the lungs involves

(2) Diffusion of A through non-diffing B (b) Equimolar Counter diffusion

(c) Multicomponent non-equimolar counter diffusion (d) Not related to diffusion phenomenon.

∫0^∞ e^x³ dx is equal to

A) 1/3Γ(1/3)

B) 1/2Γ(1/3)

C) Γ(1/3) D) 3Γ(1/3)