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Arrange the processes in the increasing order of their maximum material removal rate. Electrochemical Machining (ECM) Ultrasonic Machining (USM) Electron Beam Machining (EBM) Laser Beam Machining (LBM) and Electric Discharge Machining (EDM)
In electrodischarge machining (EDM), if the thermal conductivity of tool is high and the specific heat of work piece is low, then the tool wear rate and material removal rate are expected to be respectively
A dielectric and a conductor are placed in an external electric field of magnitude Eext. The charge density induced at the surface of the dielectric and the conductor are σd and σe respectively.  The net electric field inside the dielectric and the conductor are Ed and Ec respectively. Then, 
If a dielectric resonator has a dielectric constant of 49, then the reflection coefficient of the dielectric resonator is:
Two dielectric materials A and B exhibit both ionic and orientational polarizabilities. The variation of their susceptibilities $$\chi \left( { = {\varepsilon _r} - 1} \right)$$   with temperature T is shown in the figure, where $${\varepsilon _r}$$ is the relative dielectric constant. It can be inferred from the figure that
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In dielectric core baker system, a metal used generally requires a low value of K (dielectric constant of material)
Choose the correct statements regarding dielectric. (i) Dielectrics have free electrons (ii) Dielectric does not have free electrons (iii) Dielectrics are conductor
Electric field intensity between plates of a parallel plate condenser is E. Now if a dielectric of medium of dielectric constant ϵ is introduced between the plates, the electric field intensity will become
A porous solid dielectric has a relative permittivity of 4. It is to be impregnated by a liquid dielectric whose relative permittivity should ideally be
When an alternating voltage of a given frequency is applied to a dielectric material, dissipation of energy occurs due to 1. Continual change in the orbital paths of the electrons in the atomic structure. 2. A small conduction current through the dielectric 3. Eddy currents Which of the above statements are correct?