ANS:B - 2

No answer description is available. 

ANS:B - Encapsulation

No answer description is available. Let's discuss.

ANS:C - south end

This is one of the special cases in prismatic compass just imagine the needle is pointing magnetic north and you look reading through a prism south being the closest direction hence you actually read a vertically opposite angle so this is the reason you have zero at the south. As per my knowledge; 0 at South, 90 at the West, 180 at the North and 270 at the East. And in the surveyor compass, 0 at North and South, 90 at East and West.

ANS:D - number of teeth

No answer description is available.

ANS:B - infinite trays and minimum reboiler heat load.

When a multistage tray tower uses a minimum reflux ratio, it implies minimum trays and maximum reboiler heat load. Here's why:

1. Minimum Trays: A minimum reflux ratio means that the minimum amount of liquid is being returned to the top of the tower as reflux. In this scenario, the tower requires fewer trays to achieve the desired separation efficiency. The minimum reflux ratio typically corresponds to the minimum number of trays necessary to achieve the separation specifications.
2. Maximum Reboiler Heat Load: The reboiler is responsible for providing the heat necessary to vaporize the liquid entering the tower from the bottom. When the reflux ratio is minimized, the amount of liquid returning to the reboiler is also minimized. Consequently, the reboiler must provide more heat to vaporize the liquid feed, resulting in a maximum reboiler heat load.

ANS:C - rotary

For very low pressure and high discharge rate, the compressor used is an axial compressor. Here's why:

• Axial Compressors: These compressors are designed to handle large volumes of air at low pressure ratios, making them ideal for applications requiring high discharge rates at low pressures. They are commonly used in jet engines and large industrial processes where significant volumes of air need to be moved efficiently.
• Reciprocating Compressors: These are typically used for high-pressure applications and lower discharge rates. They use pistons to compress the air and are not as efficient for large volumes at low pressures.
• Rotary Compressors: These can handle a range of pressures and discharge rates, but for very high discharge rates at low pressures, axial compressors are generally more suitable.

ANS:C - Bengaluru

Bengaluru is hosting the 'G-20 Working Group on Environment and Climate Sustainability' meeting.

ANS:B - Ahilya Nagar

The Maharashtra Cabinet has renamed Ahmednagar district as 'Ahilya Nagar' in honour of the 18th-century Maratha queen Ahilyabai Holkar, following a proposal announced by Chief Minister Eknath Shinde in May 2023.

ANS:A - Bengaluru

Ashwini Vaishnaw unveiled India's fastest IP/MPLS router in Bengaluru, highlighting the city's role as a hub for technological innovation. With an impressive capacity of 2.4 Terabits per second (TBPS), this router signifies a significant leap in India's digital infrastructure, aligning with the vision of Digital India and promoting self-reliance in technology.

ANS:A - Guwahati

Union Minister of Petroleum and Natural Gas Hardeep Singh Puri inaugurated the demo-run of Inland Water Vessel powered by Methanol blended Diesel (MD15) in Guwahati on 24th Jan, 2023, in a run-up to India Energy Week 2023 (IEW 2023) to be held in Bengaluru from 6th February-8th February.