DMPQ- What do you understand by ELASTOCALORIC effect?

When rubbers bands are twisted and untwisted, it produces a cooling effect. This is called the “elastocaloric” effect, and researchers have suggested that it can be used in a very relevant context today. The elastocaloric effect, if harnessed, may be able to do away with the need of fluid refrigerants used in fridges and air-conditioners. … Read more

DMPQ- NAG Missile

ATGM NAG has been developed by DRDO to engage highly fortified enemy tanks in day and night conditions. The missile has “Fire & Forget” “Top Attack” capabilities with passive homing guidance to defeat all MBTs equipped with composite and reactive armour. The NAG missile carrier NAMICA is a BMP II based system with amphibious capability. … Read more

DMPQ- Differentiate between Radio and Microwave transmission.

Radio Transmission Its frequency is between 10 kHz to 1GHz. It is simple to install and has high attenuation. These waves are used for multicast communications. Types of Propogation Radio Transmission utilizes different types of propogation : Troposphere : The lowest portion of earth’s atmosphere extending outward approximately 30 miles from the earth’s surface. Clouds, … Read more

DMPQ-Comment on IndiGen.

IndiGen Programme aims to undertake whole genome sequence of thousands of individuals representing diverse ethnic groups from India. It also strives to enable genetic epidemiology and develop public health technologies applications using population genome data. IndiGen  project selected the 1000-odd persons from a pool of about 5,000 and sought to include representatives from every state … Read more

DMPQ:Recently Hyperloop technology was in news as Maharashtra Government approved the Virgin Hyperloop DP-world consortium and a hyperloop track between Mumbai and Pune. What is the working Principle of Hyperloop technology?

Working Principle: Passengers or cargo are loaded on the Hyperloop vehicle that accelerates gradually via electric Propulsion through a low pressure tube. Its Vehicles are propelled using a linear electric motor, which is a straightened out version of a conventional rotary motor. The speed of conventional trains — and all land based transport — is … Read more

DMPQ- List out the common Properties of paints.

Properties of paints  Exterior paint is exposed to all types of varying weather conditions. Exterior paint is therefore required to provide protection against UV radiation of the sun as well as fungal growth.  It’s made to combat mildew as well as fading. In addition, they have to be fade resistant as they face … Read more

DMPQ:What is bio dynamics? Explain its role in sustainable development and assuring farmers income. (Science)

Biodynamics a holistic, ecological, and ethical approach to farming, gardening, food, and nutrition. Biodynamics is rooted to integrate scientific understanding with a recognition of spirit in nature. Around the world, biodynamics is alive in thousands of thriving gardens, farms, vineyards, ranches, and orchards. The principles and practices of biodynamics can be applied anywhere food is … Read more

DMPQ: What are the objectives of National Seed Policy ?

  Thrust Areas Varietal Development and PVP Seed Production Quality Assurance Seed Distribution and Marketing. Infrastructure facilities Transgenic Plant Varieties Import of seeds and planting material Export of seeds Promotion of Domestic Seed Strengthening of monitoring system  

DMPQ: Explain carbon cycle. ( science)

The element carbon is a part of seawater, the atmosphere, rocks such as limestone and coal, soils, as well as all living things. On our dynamic planet, carbon is able to move from one of these realms to another as a part of the carbon cycle. It is one of the important cycle of atoms … Read more

DMPQ: What is cloud seeding? What are its possible application?

Cloud seeding is the process of spreading either dry ice, or more commonly, silver iodide aerosols, into the upper part of clouds to try to stimulate the precipitation process and form rain. There are three cloud seeding methods– Hygroscopic cloud seeding disperses salts through flares or explosives in the lower portions of clouds. The salts grow in size as … Read more