What is the hysteresis loop in energy dissipated by damping?

Q: Determine the latent heat gain from the occupants for an office building with a floor area of 150m x…

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Q: 6 ohm 15 ohm 12ohm 150V

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Q: Name 3 ways to maintain fatigue-prone components

A: In mechanical components, the fatigue failure occured when components are subjected to variable…

Q: Which physical property governs the operation of a bimetallic temperature element? Volumetric…

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Q: Which table is used in this question to extract Cp value?

A: To find: Which table is used in this question to extract Cp value?

Q: What is the coefficient of viscous damping force?

A: Viscous damping is based on the principle of conversion of the kinetic energy of the vibration into…

Q: What is Distortion energy?

A: Distortion in a body is caused when there are shear stress present on the body. Due to these shear…

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

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

Q: What is restitution impulse?

A: Fig.1   Consider two bodies A and B of mass M as shown in Fig.1. When body A strikes to body B, a…

Q: 3. What is the “hunting" vibration mode? 4. What is the critical wave velocity?

A: Hunting vibration or oscillation is a phenomenon where a system tends to attain equilibrium by…

Q: What type of relationship the thermistor having between its input and output? a.Non linear

A: Thermistor is combination of two words - thermal ( heat) and resistor.  The resistance of thermistor…

Q: On what does the maximum distortion energy theory depend?

A: Distortion energy: It is the energy required to change the shape and volume of the specimen. In the…

Q: State Hooke’s law in general and as applied to a coiled spring.

A: Hooke' s law  in general state that stress is directly proportional to the strain occur in body.…

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: -why should the supply frequency be maintained constamt

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Q: What is the equation of compatibility?

A: In strength of materials we come across two types of beams-statically determinate and statically…

Q: Explain the importance and application of critically damped Systems.

A: A critically damped system moves as quickly as possible toward equilibrium without oscillating about…

Q: What type of thermocouple used to measure 1500 C and more temperature ranges? O a. Platinum-Rhodium…

A: Correct Option: a.) Platinum-Rhodium Type T/C.

Q: What discovery regarding Kop motivated the development of the adjusted compliance ratio (ACR)…

A: The adjusted compliance ratio (ACR) is an experimental method for estimating ∆Keff based on cyclic…

Q: What is the maximum distortion energy theory?

A: Maximum distortion energy theory: It states that the failure of the specimen occurs when the…

Q: Carbon Content (%) Permeability Index 5.5 14 3.0 31 4.5 22 4.7 17 4.3 16 4.7 22 5.2 17 4.3 11 3.7 19

A: Carbon content (%): The amount of carbon present at a specific state of any object is known as…

Q: FOS using max. Distortion energy theory?

A: Given; A shaft is subjected to pure torsional moment.Maximum shear stress,σmax=100 MPaYield…

Q: When the vibrating motion will have the same characteristics as the simple harmonic motion?

A: For any type of motion be it vibration or SHM is because of forces. One is external force and one is…

Q: What is the coefficient of critical damping?

A: Coefficient of critically damping is defined as the value of damping coefficient at which the…

Q: What is damped natural frequency?

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

Q: The thermocouples are suitable for temperature measurement applications in the range of 200°C to…

A: Thermocouple is an electrical device consisting of two dissimilar electrical conductors forming an…

Q: How magnification factor varies with damping ratio for a particular value of frequency ratio?

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Q: What are external impulses?

A: When a body is acted by a force or system of forces which causes the change of state of the body as…

Q: What is damping factor?

A: Damping factor is a ratio used in the study of vibration of a system which has kinetic friction. It…

Q: The objective of this question is to give the missing information about the reading of thermocouple…

A: Given: J type thermocouple

Q: Describe the temperature scales used in the SI in present time?

A: The Kelvin temperature scale is used in present times as the basic unit of  measurement  of the…

Q: How can we obtain the distortion energy per unit volume?

A: Consider P be the gradual load applied to the bar of length L and the uniform area A. Let dl be the…

Q: Damping force exist only if there is relative velocity between the two ends of the damper. Please…

A: Damping force: A force which helps to reduce the mechanical oscillations (vibrations), noise by…

Q: Find the natural frequency and damping ratio.

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Q: Write down the working principle of tuned vibration absorber.

A: Tuned vibration absorber:- Tuned vibration absorber can be effectively used to suppress forced…

Q: What is magnetic damping and how is it produced?

A: Magnetic damping     Mechanical damping produced by the reaction of a magnetic field with eddy…

Q: What is internal impulses?

A: Internal impulses are the amount of impact that is experienced at the joints when a human foot makes…

Q: 4) The transducer, which have the negative temperature coefficient characteristics is, Select one :…

A: A thermistor is a semiconductor made of ceramic materials which behaves like a temperature-sensitive…

Q: Thermal question. Set PL = 50 W. Rth = 2 KW, and the ambient air temperature to 30 *C. What Cy value…

A: Given: PL = 50 W Rth = 2 K/W Ta = 30 C t = 20 s

Q: The transistor in Figure 4-19 has the following maximum ratings: Pp(ma)= 500 mW, VCEimax) 25 V, and…

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Q: What is critical damping?

A: Critical damping is the zero amplitude of a damped oscillator. if the system is critically damped…

Q: An aluminum piston having a diameter of 3.000 inch at 0°C is designed to fit into a steel cylinder…

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Q: What is natural frequency?

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

Q: The collector leakage current in a transistor is 300 μA in CE arrangement. If now the transistor is…

A: Given:-         The collector leakage current in a transistor is 300 μA in CE             Assume β =…

Q: had a natural frequency of 20 cycles/second. What is the approximate fundamental frequency of…

A: Applying Dunkerly's principle, 1⁄(ω12)+1⁄(ω22)+1⁄(ω32) = 1/100 + 1/400 = 1/80 Therefore  ω1=80…