The second derivative input signals modify which of the following ?
(A) The time constant of the system
(B) Damping of the system
(C) The gain of the system
(D) The time constant and suppress the oscillations F. None of the above
increases the steady state accuracy?
(A) Integrator
(B) Differentiator
(C) Phase lead compensator
(D) Phase lag compensator
A signal other than the reference input that tends to affect the value of controlled variable is known as_________________?
(A) disturbance
(B) command
(C) control element
(D) reference input
The transient response of a system is mainly due to________________?
(A) inertia forces
(B) internal forces
(C) stored energy
(D) friction
The temperature, under thermal and electrical system analogy, is considered analogous to_______________?
(A) voltage
(B) current
(C) capacitance
(D) charge F. none of the above
In electrical-pneumatic system analogy the current is considered analogous to_____________?
(A) velocity
(B) pressure
(C) air flow
(D) air flow rate
In force-voltage analogy, velocity is analogous to______________?
(A) current
(B) charge
(C) inductance
(D) capacitance
In liquid level and electrical system analogy, voltage is considered analogous to_____________?
(A) head
(B) liquid flow
(C) liquid flow rate
(D) none of the above
In thermal-electrical analogy charge is considered analogous to_______________?
(A) heat flow
(B) reciprocal of heat flow
(C) reciprocal of temperature
(D) temperature F. none of the above
The viscous friction co-efficient, in force-voltage analogy, is analogous to______________?
(A) charge
(B) resistance
(C) reciprocal of inductance
(D) reciprocal of conductance F. none of the above