CS QUIZ ON ELECTRICAL ANALOGIES OF MECH.SYS 10/08/2020

Force balancing equation of a mass element is (where, x = displacement)

• M d2x/dt2

• M dx/dt

• M *x

• any of the above

Force balancing equation of a dash-pot element is (where, x = displacement)

• B d2x/dt2

• B dx/dt

• B *x

• none of the above

Which of the following is the analogous quantity for mass element in force-voltage analogy?

• Resistance.

• Inductance.

• Capacitance.

• All of the above.

Electrical analogous quantity for spring element (K) in force-voltage analogy is

• L

• R

• 1/C

• C

In force-current analogy, electrical analogous quantity for displacement (x) is

• voltage.

• inductance

• capacitance

• flux

Electrical analogous quantity for dash-pot in force-current analogy is

• resistance(R)

• inductance(L)

• capacitance(C)

• conductance (G=1/R)

If a circuit consists of two mass elements, two spring elements and four friction elements. Find the order of transfer function?

• 2

• 4

• 6

• 12

Which of the following is the electrical analogous element for displacement in force-voltage analogy?

• charge(q)

• current(i)

• voltage(v)

• resistance (R)

Which of the following combinations is/are correct electrical analogous elements in force-current analogy?

• Velocity (v) ----------------- Voltage (V)

• Force (f) --------------------- Current (i)

• Spring element (K) --------- Inverse inductance (1/L)

• all of the above

Which parameter in the radiant heat exchange between two black bodies is analogous to the voltage in electrical system?

• Difference in areas of the two black bodies (A₁– A₂)

• Difference in two shape factors (F₁₂ – F₂₁)

• Difference in emissive powers of the two black bodies (E_b1 – E_b2)

• none of the above