Machining of LBM takes place when power density is ____ than what is l – McqOptions

MCQOPTIONS

1.	Machining of LBM takes place when power density is ____ than what is lost by conduction and radiation.
A.	Greater
B.	Smaller
C.	Lower
D.	Same as
Answer» B. Smaller

Discussion

No Comment Found

Related MCQs

How are minimum energies required for plastics when compared to that required for metals?
How much amount of incident radiation is reflected at lower power densities?
Machining of LBM takes place when power density is ____________ than what is lost by conduction and radiation.
State whether the following statement is true of false regarding LBM.“In LBM, high intensity laser beams are recommended for more material.”
HOW_MUCH_AMOUNT_OF_INCIDENT_RADIATION_IS_REFLECTED_AT_LOWER_POWER_DENSITIES??$
Which of the following has high machining speeds in Laser Beam Machining?$
How are minimum energies required for plastics when compared to that required for metals?$
Reflectivity of the materials depends on which of the following factors?
What happens to the material removal rate when reflectivity is higher?
Which of the following phenomenon take place before melting and evaporating in LBM?