Gamma iron exists at temperatures in the range

1.	Gamma iron exists at temperatures in the range
A.	Room temperature and lower critical temperature
B.	Between 500°C and 850°C
C.	Between 900°C and 1400°C
D.	Between 1400°C and 1600°C
Answer» D. Between 1400°C and 1600°C

Discussion

No Comment Found

Related MCQs

Consider the following statements:1. Material science deals with the strength and stiffness behaviour of components (buildings/machines/vehicale facilities) based on their response to imposed stresses (forces, moments, torque, etc.).2. Material properties are dependent on their micro-structure and response to force fields and surface interaction.Which of the above statements is/are correct?
A cast iron bed plate for a pump has a crack length of 100 μm. If the young’s modulus of cast iron is 210 GN/m2 and the specific surface energy is 10 J/m2, the fracture strength required will be nearly
It is used in panels for switchgear and arcing device.
_________ is added as an alloying element to enhance the endurance strength of steel materials?
Muntz metal (yellow brass) contains copper and zinc in the ratio-
A barium titanate crystal is inserted in a parallel plate capacitor of area 10 mm × 10 mm. The plates having a separation of 2 mm, give a capacitance of 10-9 F. If the value of ε0 = 8.854 × 10-12 Fm-1, the relative permittivity of the crystal will be nearly
Consider the following statements associated with the basic electric properties of ideal conductors:1. The resultant field inside is zero.2. The net charge density in the interior is zero.3. Any net charges reside on the surface.4. The surface is always equipotential.5. The field just outside is zero.Which of the above statements are correct?
Below the ductile to brittle transition temperature, weld joints show
γ- iron has structure:
An important property of high silicon (12% - 18%) in cast iron is the high

Gamma iron exists at temperatures in the range

Discussion

No Comment Found

Related MCQs

Reply to Comment