Which of the following is/are the characteristics of a metal oxide if – McqOptions

MCQOPTIONS

1.	Which of the following is/are the characteristics of a metal oxide if the Pilling and Bed worth ratio is less than 1?
A.	Protective
B.	Unprotective
C.	Unprotective and insufficient oxide
D.	Unprotective and sufficient oxide
Answer» D. Unprotective and sufficient oxide

Discussion

No Comment Found

Related MCQs

Which of the following is/are the p-type semiconducting oxides?
Which of the following is/are the n-type semiconducting oxides?
Which of the following metal(s) produces metal oxide at a metal-scale interface?
The relative thickness of each phase of a metallic oxide is determined by the rate of ionic diffusion through that phase.
Which of the following order is correct regarding the oxides of iron starting from metallic iron to gaseous oxygen interface?
The diffusion of either cation or oxygen ions usually controls the reaction rate of high-temperature metallic oxidation.
Which of the following is/are the interface at which new metallic oxides (MO) are produced?
What is the value of the Pilling and Bed worth ratio of tungsten?
Which of the following metal has a nonprotective oxide?
Which of the following is/are the ideal characteristics of the passive metal oxide layer?