ANS:A - As it seems at first sight

No answer description is available. 

ANS:B - Structures can have functions as members.

No answer description is available. Let's discuss.

ANS:C - S

It will be same as 0 degree for 360 which is N direction. It will be S.

0-> N,
90-> E,
180-> S,
270-> W.

ANS:A - Both A and R are true and R is correct explanation of A

No answer description is available.

ANS:B - slightly concave upward.

The adiabatic saturation curve represents the relationship between the temperature and the humidity ratio of a vapor-gas mixture when the mixture undergoes an adiabatic process (i.e., no heat exchange with the surroundings). This curve is typically not a straight line. It generally exhibits a slight concave upward shape. This curvature arises due to the fact that as the temperature of the mixture increases, the vapor content (humidity ratio) of the mixture increases as well, but at a decreasing rate. This is because as the temperature rises, the air's capacity to hold moisture increases, but the rate at which moisture is added to the air may not increase as rapidly. Therefore, the correct answer is: slightly concave upward.

ANS:D - N³D⁵

N3D5 ChatGPT The power required by a centrifugal pump is proportional to N3D5N^3D^5N3D5, where NNN is the rotational speed (in revolutions per minute, r.p.m) and DDD is the diameter of the impeller. Here's why: The power PPP required by a centrifugal pump can be derived from the affinity laws (also known as the pump laws), which relate the various parameters of pump operation. According to these laws:

1. The flow rate QQQ is proportional to the rotational speed NNN and the cube of the diameter DDD: Q∝ND3Q \propto ND^3Q∝ND3
2. The head HHH developed by the pump is proportional to the square of the rotational speed NNN and the square of the diameter DDD: H∝N2D2H \propto N^2D^2H∝N2D2
3. The power PPP required is proportional to the product of the flow rate QQQ and the head HHH: P∝QHP \propto QHP∝QH

ANS:A - Silchar

The Unani medicine institute in Silchar of Assam was inaugurated by Union Ayush minister Sarbananda Sonowal.

ANS:C - Dr. Verghese Kurien

'National Milk Day' is observed to commemorate 101st birth anniversary of the 'Father of the White Revolution in India', Dr. Verghese Kurien also known as the Milkman of India.

ANS:A - Ministry of Fisheries, Animal Husbandry and Dairying

Ministry of Fisheries, Animal Husbandry and Dairying announced the National Gopal Ratna Awards 2022.

ANS:A - alkaline

The correct answer is: alkaline

The Kraft process, used for producing pulp from wood, employs an alkaline chemical environment, primarily using sodium hydroxide and sodium sulfide to break down lignin and separate cellulose fibers.

1. Characteristics

• pH Scale: Alkaline substances typically have a pH ranging from 7 to 14. The higher the pH, the more alkaline the substance.
• Taste: Many alkaline solutions have a slippery feel and can taste bitter.

2. Importance in Chemical Processes

• Chemical Reactions: Alkaline conditions can promote specific chemical reactions, often aiding in the breakdown of complex organic materials.
• Neutralization: Alkaline substances can neutralize acids, making them important in various industrial and laboratory processes.

3. Role in Kraft Process

• Kraft Pulping: In the Kraft process, an alkaline environment is essential for effectively breaking down lignin, the substance that binds cellulose fibers in wood. This allows for the extraction of high-quality pulp for paper production.
• Chemical Agents: The primary chemicals used in the Kraft process are sodium hydroxide (NaOH) and sodium sulfide (Na₂S), which create an alkaline solution that enhances the pulping efficiency.

4. Applications Beyond Pulping

• Cleaning Agents: Many household and industrial cleaning products are alkaline, helping to dissolve grease and organic residues.
• Water Treatment: Alkaline substances are used to adjust pH levels in water treatment processes, promoting better sedimentation and flocculation.

Summary