Self supporting arches for furnace roofs can be fabricated using silica bricks but not using magnesia bricks. Why?
Select an option to see the answer and solution.
Metallurgical Engineering · all questionsMiscellaneous in Metallurgy
Miscellaneous in Metallurgy
practice.
Practice every MCQ with options. Use Show answers when you want the correct option and solution.
252
Questions
3/13
Page
Pick an option on a question to see the right answer and solution.
Silicon carbides resist oxidation up to
Select an option to see the answer and solution.
Dissociation of dislocation occurs
Select an option to see the answer and solution.
Austenising of samples for TTT diagram is done
Select an option to see the answer and solution.
What are the operations of forging?
Select an option to see the answer and solution.
The continuity equation is based on
Select an option to see the answer and solution.
The burger vector for Face-centred cubic material is . . . . . . . .; Where ao is the lattice parameter.
Select an option to see the answer and solution.
Multispot welding process is
Select an option to see the answer and solution.
Mark the matter with least value of thermal conductivity
Select an option to see the answer and solution.
A fluid which is incompressible & having no viscosity is known as
Select an option to see the answer and solution.
If the volume of a material does not change during deformation, then the Poisson's ratio should be
Select an option to see the answer and solution.
The SI unit of volumetric mass transfer coefficient is
Select an option to see the answer and solution.
Which of the following materials are common for whiskers?
Select an option to see the answer and solution.
Which of the following Mohr's circles of a plane-stress condition corresponds to equibiaxial tension
Select an option to see the answer and solution.
In an isothermal curve, which of the following is true when the temperature is increased?
Select an option to see the answer and solution.
Select the best material, which can be used for the applications mentioned below using the following data:
Choose a material which can be used as a heat reservior (to hold that)
| Material | k(W.) m-1.K-1 | ρ (kg.m-3) | Cp (J.kg-1.K-1) |
| I | 105 | 2320 | 687 |
| II | 425 | 10,500 | 234 |
| III | 238 | 2700 | 917 |
| IV | 2320 | 3500 | 519 |
| V | 63 | 2250 | 711 |
Choose a material which can be used as a heat reservior (to hold that)
Select an option to see the answer and solution.
The law governing the distribution of radiant energy over wavelength for a black body at a fixed temperature
Select an option to see the answer and solution.
If the choice of axes changes for an externally loaded solid material, the correct statements are:
P. The components of stress tensor changes.
Q. The octahedral shear stress does not change.
R. The distortion energy changes.
S. The yield loci in the space of prinicpal stresses do not change.
P. The components of stress tensor changes.
Q. The octahedral shear stress does not change.
R. The distortion energy changes.
S. The yield loci in the space of prinicpal stresses do not change.
Select an option to see the answer and solution.
The two partials repel each other and want to be as far as possible
Select an option to see the answer and solution.
The Rankine is converted into Fahrenheit
Select an option to see the answer and solution.