True or false? A damped, forced system can undergo pure resonance.

Q: If a system vibrates due to its initial disturbance only, it is called vibration. Select one: O a.…

A: Forced Vibration The type of vibration that takes place under the excitation of external forces is…

Q: The phase angle for an undamped system is always π. (True/False).

A: Undamped system  -  Undamped systems are the one in which there is no damping of the vibration…

Q: In motor controls, what is chattering or “machine gunning,” and why do we want to prevent it?

A: Chattering: The vibrations of the machine is known as chattering. It is the relative movement…

Q: In speed coontrol of dc motor, the potentiometer is used as a control element.

A: SOLVED

Q: natural frequency of the system.

A: Given: A mass of 1 kg, m=1 kgAttached to two identical springs each of stiffness;  k=25 kN/mUnder…

Q: the mode of torsióna הבהרו ar

A:

Q: :The dynamic absorber system can be used to Reduce the vibration level of the main structure Reduce…

A: A secondary mass is attached to a vibrating system. This secondary mass dissipates the energy and…

Q: escribed by the differential equation Dä + 200x + 810x 0 (units as per SI stem), which of the…

A: Solution is attached below:

Q: What is the types of damping in the mechanical system?

A: In Damping, the energy is dissipated from system.

Q: The service of the selected alternative is required on a continuous basis. True or false?

A: Alternatives: The alternatives are basically used in decision making process and identified for…

Q: ?In a dc machine ó pole wave winding is used. The number of parallel paths ar 6 C 2 4 1

A: In wave winding / simplex wave winding number of parallel paths = always 2 (irrespective of number…

Q: ility and static determina

A: given:

Q: Which of the following is a symbol of an air motor in one direction with invariable capacity is

A: Given :-  symbol of an air motor in one direction with invariable capacity is

Q: of vibration The number of cycles per unit time is called the Select one: O a. period O b. amplitude…

A: The number of cycles per unit time is called

Q: What is the effect of resonance?

A: The effect of resonance can be defined as polarity produced in the molecule to the interaction of…

Q: A pneumatic power system will usually have a return line  a. True b. False

A: Concept: 1) Pneumatic power system consists of some pneumatic valves, Electro-pneumatic valves,…

Q: -why should the supply frequency be maintained constamt

A:

Q: in an automotive environment, what would be the effect of installing the same coil spring into…

A:

Q: a) All Static Requirements b) frequency factor should be equal or higher to 15. c) Seq < Ses d) All…

A: For the helical compressive spring under fatigue load it must meet 1. All static requirements. 2.…

Q: In speed coontrol of dc motor, the final control element is motor. Select one: O True O False

A: By controlling the voltage and by that controlling the motor .. The speed of DC motor can be…

Q: In speed coontrol of dc motor, the potentiometer is used as a control element. Select one: O True O…

A: A potentiometer is a device that has terminal resistors used to measure the electrical potential or…

Q: When the damping is sufficient to prevent the system from oscillating, it is referred to as what?

A: Damping: The creation of restriction in vibratory motion of any object is known as damping.…

Q: What is the difference between force transmissibility and motion transmissibility?

A:

Q: What is damped natural frequency?

A: The practice amplitude of vibrations becomes progressively smaller as energy is lost due to…

Q: differentiate b/w overdamped, under damped , criticaly damped, undAmped system

A: The decay of oscillations in a system following a disturbance is described by the dimensionless…

Q: If a system vibrates due to its initial disturbance only, it is called vibration. Select one: O a.…

A: If a system vibrates due to its intital distrubance only it is called ........ vibration.

Q: Which of the following is a gas charged accumulator? a. spring loaded accumulator b. bladder type c.…

A: An accumulator is the devices that are separated according to the use of energy storage. There are…

Q: List at least three differences between the free vibrations of an underdamped system and a system…

A: Vibration is the oscillation motion in mechanical dynamic systems. Although any system can oscillate…

Q: 1. Agenerator produces a voltage of V(t) = (15.0)sin(120µ t). a. What is the frequency. f?

A: To find Frequency Peak voltage

Q: The equation of motion. The natural frequency of the free vibrations system.

A:

Q: In speed coontrol of dc motor, the tachogenerator is used as control unit. Select one: O True O…

A: Dc Motor

Q: Q1 What are the main parts of dc machines and explain the function of each part

A:

Q: Select which one of the following is a gas charged accumulator? a. all of the mentioned b. bladder…

A: Select which one of the following is a gas charged accumulator? Answer: b) bladder type

Q: What is forced frequency?

A: Natural frequency-It is the frequency that body vibrates naturally the net external force is zero.…

Q: True False A partical is said to be in equilibrium if it remains at rest if originally at rest, or…

A: Static equilibrium: A particular is said to be in static equilibrium if the net force acting on it…

Q: What is natural frequency?

A: Natural frequency is the oscillation of mechanical or any system in the absence of any driving or…

Q: What would happen if a body (Practical) ?reach resonance case Collapse the mechanism O Vibrate at…

A: To find :- Correct option

Q: In dc. motor, the undirectional torque is produced with the help of

A: GIVEN DATA -  A QUESTION GIVEN ABOUT D.C. MOTOR