ANS:B - meanness

No answer description is available. 

ANS:A - True

True, the header file contains classes, function prototypes, structure declaration, macros.

ANS:C - white lead

Red lead for iron surface.

White lead and zinc white for wood surfaces. Zinc white is only for aluminium surfaces.

And white lead for wooden surfaces.

ANS:B - False

Since reading is proportional to I², the scale is non-linear.

ANS:C - more readily done in the second case compared to first one.

Out of two equilibrium curves, where the first one lies above the diagonal and the second lies below the diagonal in the x-y plot, it means that separation by distillation is not possible in the second case unless vacuum is applied. In a distillation process, the separation of components is based on their relative volatility, which is determined by the position of their respective equilibrium curves on the x-y plot. When the equilibrium curve lies below the diagonal, it indicates that the more volatile component is in the liquid phase, making it difficult to separate by conventional distillation at atmospheric pressure. In such cases, applying vacuum lowers the boiling points of both components, shifting the equilibrium towards vaporization and facilitating separation. By reducing the pressure, the boiling point of the more volatile component can be lowered sufficiently to enable effective separation even when its equilibrium curve lies below the diagonal. Therefore, the correct statement is: not possible in the second case unless vacuum is applied.

ANS:A - greater than

In fluid dynamics, CdC_dCd​ (drag coefficient) and CcC_cCc​ (lift coefficient) are dimensionless quantities used to describe the forces acting on an object in a fluid flow. The relationship between CdC_dCd​ and CcC_cCc​ can vary depending on the specific context and the geometry of the object:

1. Drag Coefficient (CdC_dCd​):
   • Drag coefficient represents the ratio of the drag force experienced by an object to the dynamic pressure of the fluid flow.
   • It is influenced by factors such as the shape, size, and surface roughness of the object.
2. Lift Coefficient (CcC_cCc​):
   • Lift coefficient represents the ratio of the lift force (perpendicular to the flow direction) experienced by an object to the dynamic pressure of the fluid flow.
   • It is significant in the context of aerodynamics, where it determines the effectiveness of generating lift.

Relationship Between CdC_dCd​ and CcC_cCc​:

• Context-Dependent: The relationship between CdC_dCd​ and CcC_cCc​ depends on the specific characteristics of the flow and the object:
  • For some shapes and conditions, CdC_dCd​ can be greater than CcC_cCc​.
  • For other shapes and conditions, CdC_dCd​ can be less than CcC_cCc​.
  • In certain idealized cases (such as for a sphere in a certain range of Reynolds numbers), CdC_dCd​ can be approximately equal to CcC_cCc​.

Conclusion:

ANS:C - Odisha

Lanjia Saura paintings and Dongaria Kondh shawls from Odisha recently received a Geographical Indication (GI) tag, signifying their unique cultural and artistic significance in the state.

ANS:A - Arunachal Pradesh

The Parshuram Kund Festival started in Arunachal Pradesh.

ANS:B - West Bengal

West Bengal achieved Geographical Indication (GI) tags for various products, including Sundarban honey, Black Nunia rice, and Tangail, Gorod, and Kadiyal sarees, in the National GI Drive Mission.

ANS:A - Bihar

The Indian state of Bihar launched a caste-based census.