ANS:C - Tobacco

Explanation: All except Tobacco are means of smoking.

ANS:A - Thermistor

temperature based resistor, NTC and PTC both are temperature based thermistor resistors it may be an NTC or PTC. Thermistors are two opposite fundamental types: 1) NTC- Negative Temperature Coefficient. If here temperature increases resistance decreases. 2) PTC- Positive Temperature Coefficient. If here temperature increases resistance also increases.

ANS:D - specially suited to pressure pipes

1. Highly resistant to sulphide corrosion: Stone ware pipes are known for their resistance to chemical corrosion, including sulphide corrosion, which can occur in sewage systems due to the presence of hydrogen sulphide gas. The composition of stone ware, typically clay and other minerals, makes it resistant to chemical attack from sewage.
2. Highly impervious: Stone ware pipes have a dense and non-porous structure, which makes them highly impervious to leakage and infiltration of groundwater or surrounding soil. This imperviousness helps maintain the integrity of the sewage system and prevents contamination of groundwater.
3. Hydraulically efficient because of their smooth interior surface: Stone ware pipes usually have a smooth interior surface, which promotes efficient flow of sewage and reduces the likelihood of blockages or sediment buildup. The smoothness of the interior surface contributes to the hydraulic efficiency of the sewage system.
4. Specially suited to pressure pipes: Stone ware pipes are not typically used for pressure pipes. They are more commonly used for gravity-fed sewage systems due to their resistance to corrosion, imperviousness, and hydraulically efficient design. Pressure pipes are usually made of materials such as PVC, ductile iron, or concrete, which are better suited to withstand the internal pressure of pressurized systems.

• Highly resistant to sulphide corrosion

ANS:A - 3 and 2 respectively

Inputs are carry from lower bits and two other bits. Outputs are SUM and CARRY.

ANS:C - entropy vs. enthalpy

The Mollier diagram, also known as the h-s diagram, is a plot of specific enthalpy (h) versus specific entropy (s). So, the correct description is: Entropy vs. Enthalpy. Entropy (𝑆S) and enthalpy (𝐻H) are two important thermodynamic properties that describe the state of a system.

1. Enthalpy (𝐻H): Enthalpy is a measure of the total energy of a system, including its internal energy and the energy associated with the system's pressure and volume. Mathematically, it is defined as: 𝐻=𝑈+𝑃𝑉H=U+PV Where:
   • 𝑈U is the internal energy of the system.
   • 𝑃P is the pressure.
   • 𝑉V is the volume.
   Enthalpy is often useful in analyzing processes where there is heat transfer at constant pressure, such as in chemical reactions and phase changes.
2. Entropy (𝑆S): Entropy is a measure of the disorder or randomness of a system. It represents the amount of energy in a system that is unavailable for doing work. Entropy is a state function, meaning it depends only on the current state of the system and not on the path taken to reach that state. Mathematically, entropy is defined as: 𝑆=𝑑𝑄𝑇S=TdQ​ Where:
   • 𝑑𝑄dQ is the infinitesimal amount of heat added to or removed from the system.
   • 𝑇T is the temperature at which the heat transfer occurs.
   Entropy tends to increase in isolated systems over time, reflecting the tendency of systems to move towards higher disorder.

ANS:C - Amitabh Chaudhry

Axis Bank has re-appointed Amitabh Chaudhry as Managing Director & CEO for another three years, effective January 2025, signalling continuity and stability in leadership. Chaudhry's re-appointment is part of the bank's strategy to maintain its positive financial trajectory and strategic direction, as evidenced by its strong performance and profit growth.

ANS:A - Japan

Akshdeep Singh won gold in the men's 20km Asian Race-Walking Championship held in Japan.