SCIENCE AND TECH Flashcards
WHAT IS SPADEX MISSION?
THE MISSION, CALLED SPACE DOCKING EXPERIMENT (SpaDeX), WOULD MAKE INDIA THE FOURTH COUNTRY IN THE WORLD TO ACHIEVE A FEAT ESSENTIAL FOR EXPANDING FUTURE DEEP SPACE EXPLORATORY MISSIONS. THE SpaDeX MISSION IS DESIGNED TO DEMONSTRATE SPACE DOCKING.
WHAT IS SPACE DOCKING?
- A PROCESS BY WHICH TWO FAST MOVING SATELLITES OR SPACECRAFT ARE BROUGHT INTO THE SAME ORBIT, BROUGHT CLOSER TOGETHER, ALIGNED AUTONOMOUSLY OR MANUALLY, AND FINALLY JOINED.
- THIS CAPABILITY IS NECESSARY FOR CARRYING OUT MISSIONS THAT REQUIRE BIGGER PAYLOADS THAT A SINGLE LAUNCH CANNOT CARRY.
- THE FIRST ACTUAL INDIAN MISSION REQUIRING THE DOCKING CAPABILITY IS LIKELY TO BE CHANDRAYAAN-4, WHICH IS SUPPOSED TO BRING LUNAR SAMPLES BACK TO EARTH.
- DOCKING WILL ALSO BE REQUIRED FOR SETTING UP THE BHARATIYA ANTARIKSH STATION.
WHAT IS PHOS-CHEK?
FIRE RETARDANT IS A MIX OF CHEMICALS USED TO EXTINGUISH OR SLOW THE SPREAD OF FIRES. TO TACKLE WILDFIRES IN USA, AUTHORITIES COMMONLY USE A BRAND KNOWN AS PHOS-CHEK, WHICH MOSTLY CONTAIN AN AMMONIUM PHOSPHATE BASED SLURRY. SALTS LIKE AMMONIUM POLYPHOSPHATE DO NOT EVAPORATE EASILY LIKE WATER, AND STAY FOR LONGER. PHOS-CHEK IS PINK IN COLOUR.
STEPS TO HANDLE WASTE?
- INCINERATION
- QUENCHING
- LANDFILL
INCINERATION PROCESS FOR WASTE MANAGEMENT?
WASTE IS INCINERATED IN TWIN CHAMBERS AT TWO TEMPERATURES TO ENSURE THAT HARMFUL SUBSTANCES ARE DESTROYED. THE FIRST CHAMBER HAS A TEMPERATURE OF 800-850 DEGREE CELSIUS AND THE SECOND BETWEEN 1,050 DEGREE CELSIUS AND 1200 DEGREE CELSIUS.
QUENCHING PROCESS FOR WASTE MANAGEMENT?
AFTER INCINERATION, THE REMAINING POLLUTANTS AND GASES ARE SPRAYED WITH WATER MIXED WITH OTHER AGENTS TO CONTROL EMISSIONS. WHEN THE WASTE COMBUSTION HAPPENS AT HIGH TEMPERATURES, IT WILL LEAD TO FORMATION OF FLUE GASES (EXHAUST GAS). THESE MUST BE CONTROLLED BY QUENCHING.
LANDFILL PROCESS FOR WASTE MANAGEMENT?
ASH RESIDUE WILL BE BURIED IN SEALED CONTAINERS IN A LANDFILL IN A DOUBLE LINED, DOUBLE MEMBRANE AREA INSIDE DISPOSAL FACILITY.
WHAT ARE FOUR V’s FOR BIG DATA?
- VELOCITY
- VOLUME
- VARIETY
- VERACITY.
USA’S DOCKING EXPERIMENT?
- NASA’S GEMINI 8 WAS THE 1ST SPACECRAFT TO DOCK WITH THE TARGET VEHICLE AGENA.
- 1966
- WAS A CREWED MISSION COMMANDED BY NEIL ARMSTRONG.
USSR DOCKING EXPERIMENT?
- DOCKING OF KOSMOS 186 & KOSMOS 188 SPACECRAFT.
- 1967
- UNCREWED.
CHINA’S DOCKING EXPERIMENT?
- 2011 UNMANNED SHENZHOU 8 SPACECRAFT DOCKED WITH TIANGONG 1 SPACE LABORATORY.
- 2012 CHINA’S 1ST CREWED SPACE DOCKING– ASTRONAUTS MANUALLY JOINED ITS SHENZHOU 9 SPACECRAFT TO THE SAME SPACE LABORATORY.
INDIA’S SPACE DOCKING EXPERIMENT?
SDX01 OR THE CHASER SDX02 THE TARGET SATELLITE.
UNIQUE HABIT OF SPOTTED DEER (CHITAL) OR AXIS AXIS?
EXHIBIT PLACENTOPHAGY (EATING PLACENTA), A RARE BEHAVIOR AMONG HERBIVORES, AIDING IN PREDATOR AVOIDANCE BY ELIMINATING SCENT TRACES.
ANEMIA MUKT BHARAT 6X6X6 STRATEGY?
6 BENEFICIARIES, 6 INTERVENTIONS AND 6 INSTITUTIONAL MECHANISMS.
BENEFICIARIES UNDER ANEMIA MUKT BHARAT 6X6X6 STRATEGY?
- CHILDREN, 6–59 MONTHS OF AGE.
- CHILDREN, 5–9 YEARS OF AGE.
- ADOLESCENT GIRLS AND BOYS (10–19 YEARS OF AGE).
- WOMEN OF REPRODUCTIVE AGE (20–24 YEARS OF AGE).
- PREGNANT WOMEN.
- LACTATING MOTHERS (OF 0–6 MONTHS CHILD).
INTERVENTIONS UNDER ANEMIA MUKT BHARAT 6X6X6 STRATEGY?
- PROPHYLACTIC IRON FOLIC ACID SUPPLEMENTATION.
- DEWORMING.
- INTENSIFIED YEAR ROUND BEHAVIOUR CHANGE COMMUNICATION CAMPAIGN (SOLID BODY, SMART MIND) INCLUDING ENSURING DELAYED CORD CLAMPING.
- TESTING OF ANEMIA USING DIGITAL METHODS AND POINT CARE TREATMENT.
- MANDATORY PROVISION OF IRON FOLIC ACID FORTIFIED FOODS IN PUBLIC HEALTH PROGRAMMES.
- ADDRESSING NON NUTRITIONAL CAUSES OF ANEMIA IN ENDEMIC POCKETS, WITH SPECIAL FOCUS ON MALARIA, HEMOGLOBINOPATHIES AND FLUOROSIS.
INSTITUTIONAL MECHANISMS UNDER ANEMIA MUKT BHARAT 6X6X6 STRATEGY?
- NATIONAL ANEMIA MUKT BHARAT UNIT.
- INTRA MINISTERIAL COORDINATION.
- STRENGTHENING SUPPLY CHAIN AND LOGISTICS.
- CONVERGENCE WITH OTHER MINISTRIES.
- NATIONAL CENTRE OF EXCELLENCE AND ADVANCED RESEARCH ON ANEMIA CONTROL.
- ANEMIA MUKT BHARAT DASHBOARD AND DIGITAL PORTAL– ONE STOP SHOP FOR ANEMIA.
WHAT IS A PLANET PARADE?
- A PLANET PARADE OCCURS WHEN MULTIPLE PLANETS ARE VISIBLE IN THE NIGHT SKY SIMULTANEOUSLY.
- CURRENTLY, SIX PLANETS VENUS, SATURN, JUPITER, MARS, URANUS, AND NEPTUNE ARE VISIBLE IN THE NIGHT SKY, FORMING A CELESTIAL ARC KNOWN AS A PLANET PARADE.
WHICH PLANETS CAN BE SEEN WITH NAKED EYES?
- MERCURY
- VENUS
- MARS
- SATURN
- JUPITER
WHAT IS DARK OXYGEN?
REFERS TO OXYGEN BEING PROCESSED DEEP BELOW THE OCEAN SURFACE WITHOUT SUNLIGHT OR PHOTOSYNTHESIS.
DISCOVERY OF DARK OXYGEN?
IN JULY 2024, SCIENTISTS IDENTIFIED DARK OXYGEN AT A DEPTH OF 13,100 FEET IN THE CLARION CLIPPERTON ZONE OF THE PACIFIC OCEAN.
MECHANISM OF DARK OXYGEN PRODUCTION?
- METALLIC NODULES RICH IN MANGANESE AND IRON ON THE SEAFLOOR WERE FOUND TO GENERATE OXYGEN.
- OXYGEN PRODUCTION OCCURS THROUGH ELECTROCHEMICAL ACTIVITY BY SPLITTING SEAWATER (H2O MOLECULES) INTO HYDROGEN AND OXYGEN, EVEN IN THE ABSENCE OF LIGHT.
SIGNIFICANCE OF DARK OXYGEN?
- CHALLENGES THE BELIEF THAT PHOTOSYNTHESIS IS THE SOLE SOURCE OF OXYGEN.
- SUGGESTS THE POSSIBILITY OF OXYGEN RICH ENVIRONMENTS EXISTING ON THE OTHER PLANETS, POTENTIALLY SUPPORTING EXTRATERRESTRIAL LIFE.
- INDICATES THAT OXYGEN PRODUCTION ON EARTH MAY HAVE PREDATED PHOTOSYNTHESIS, RESHAPING THEORIES ABOUT THE ORIGINS OF LIFE.
WHAT IS WAIST TO HIP RATIO?
- MEASURE THE CIRCUMFERENCE OF YOUR WAIST AT ITS NARROWEST POINT, USUALLY NEAR YOUR BELLY BUTTON.
- MEASURE THE CIRCUMFERENCE OF YOUR HIPS AT THEIR WIDEST POINT.
- DIVIDE YOUR WAIST MEASUREMENT BY YOUR HIP MEASUREMENT. A FIGURE OF 0.8 IS CONSIDERED NORMAL FOR WOMEN, 0.9 OR LOWER FOR MEN.