GRE Vocab 009-30- Ielts Resources

Question 1

vapourised

Answer 1

• The word “vaporized” (or “vapourised” in British English) refers to the process of converting a substance from a liquid or solid state into vapor or gas. Here are three sentences using this term:
• The intense heat vaporized the water in the kettle, creating a cloud of steam.
• The scientist used a laser to precisely vaporize the sample for analysis.
• The morning sun quickly vaporized the dew on the grass, leaving it dry and crisp.

Question 2

fluid catalytic

Answer 2

• The term “fluid catalytic” refers to a process that involves the use of a catalyst in a fluidized bed to promote chemical reactions. Specifically, it is commonly associated with the fluid catalytic cracking (FCC) process used in petroleum refining.
• In the oil refinery, the fluid catalytic unit breaks down heavy hydrocarbons into lighter products like gasoline.
• The fluid catalytic reactor operates at high temperatures to maximize the conversion of crude oil.
• Engineers continuously optimize the fluid catalytic process to enhance efficiency and yield.

Question 3

cracking chambers

Answer 3

• The term “cracking chambers” refers to specialized compartments or vessels used in the fluid catalytic cracking (FCC) process within petroleum refineries. In these chambers, heavy hydrocarbon molecules are broken down into lighter products through catalytic reactions.
• The cracking chambers play a crucial role in converting crude oil into valuable gasoline and other refined products.
• Engineers carefully design the cracking chambers to optimize temperature, pressure, and catalyst distribution.
• The efficiency of the entire refinery heavily depends on the performance of these critical cracking chambers.

Question 4

cyclone separated

Answer 4

• The term “cyclone separated” refers to a process where particles or substances are separated from a gas or liquid stream using a cyclone separator. This device utilizes centrifugal force to separate heavier particles from the flow.
• In industrial settings, cyclone separators efficiently remove dust and debris from exhaust gases.
• The cyclone-separated fine particles are collected in a separate chamber for disposal.
• Engineers optimize the design of cyclone separation systems to enhance efficiency and minimize energy consumption.

Question 5

pelleted catalyst

Answer 5

• The term “pelleted catalyst” refers to a type of catalyst that is shaped into small pellets or granules. These pellets provide a large surface area for catalytic reactions.
• In chemical processes, pelleted catalysts are commonly used in fixed-bed reactors.
• The pelleted catalyst facilitates the conversion of reactants into desired products.
• Engineers carefully select the size and composition of pelleted catalysts for optimal performance.

Question 6

enormously

Answer 6

• The word “enormously” means to an extremely large or great degree.
• The impact of climate change is enormously concerning for future generations.
• The company’s profits increased enormously after the successful product launch.
• Her talent and dedication contributed enormously to the team’s success.

Question 7

powdered catalyst inside

Answer 7

• The term “powdered catalyst inside” refers to a catalyst that exists in a finely divided powder form. These powdered catalysts are commonly used in various chemical processes.
• The powdered catalyst inside the reactor enhances the rate of the chemical reaction.
• Researchers are investigating novel ways to synthesize efficient powdered catalysts for green energy applications.
• The powdered catalyst particles provide a large surface area, allowing for better interaction with reactants.

Question 8

fluid rise

Answer 8

• The term “fluid rise” refers to the upward movement or elevation of a liquid or gas within a system.
• The fluid rise in the thermometer indicated a temperature increase.
• In hydraulic systems, the fluid rise in the cylinder lifts heavy loads.
• Engineers monitor the fluid rise in pipelines to ensure efficient flow.

Question 9

fluid sink

Answer 9

• The term “fluid sink” refers to a point or region where a fluid (such as water or air) is drawn downward or absorbed.
• The kitchen sink acts as a fluid sink for wastewater.
• In hydrogeology, a fluid sink represents a natural drainage point for groundwater.
• The powerful vacuum cleaner effectively functions as a fluid sink for dust and debris.

Question 10

descending

Answer 10

• The word “descending” refers to the act of moving or going downward
• The hikers carefully navigated the descending trail.
• The elevator started descending to the ground floor.
• As the plane prepared for landing, it began descending toward the runway.

Question 11

stratosphere

Answer 11

• The term “stratosphere” refers to the second major layer of Earth’s atmosphere, located above the troposphere and below the mesosphere.
• Commercial airplanes typically fly in the lower part of the stratosphere.
• The stratosphere contains the ozone layer, which absorbs harmful ultraviolet radiation.
• Weather phenomena like jet streams occur within the stratosphere.

Question 12

convection cells

Answer 12

• Convection cells refer to large-scale patterns of air movement in Earth’s atmosphere or fluid movement in other contexts. These cells result from temperature differences, causing warm air to rise and cool air to sink.
• Hadley cells are equatorial convection cells that play a crucial role in global weather patterns.
• The polar front marks the boundary between warm and cold air masses, creating distinct convection cells.
• Ocean currents also exhibit convection cells, redistributing heat around the planet.

Question 13

equilibrium

Answer 13

• The term “equilibrium” refers to a state of balance or stability where opposing forces or factors are in perfect harmony.
• In a chemical reaction, equilibrium occurs when the forward and reverse reactions proceed at the same rate.
• The delicate ecosystem of a coral reef relies on maintaining an ecological equilibrium.
• When a pendulum comes to rest, it reaches a state of dynamic equilibrium.

Question 14

troposphere

Answer 14

• The term “troposphere” refers to the lowest layer of Earth’s atmosphere, extending from the surface up to approximately 7 to 20 kilometers (4 to 12 miles).
• Weather phenomena, such as clouds and storms, primarily occur within the troposphere.
• Airplanes fly in this layer, where temperature typically decreases with altitude.
• The troposphere plays a crucial role in climate dynamics and air circulation.

Question 15

latitudes

Answer 15

• The term “latitudes” refers to imaginary lines that run parallel to the equator on Earth’s surface. These lines help define different climatic zones and play a crucial role in understanding global weather patterns.
• The tropical latitudes near the equator experience consistently warm temperatures.
• The polar latitudes are characterized by extreme cold and long nights.
• Sailors navigate using the positions of different latitudes to determine their location at sea.

Question 16

hemisphere

Answer 16

• the term “hemisphere” refers to half of a sphere or globe. It can also describe one of the two main divisions of Earth based on latitude: the northern hemisphere (north of the equator) and the southern hemisphere (south of the equator).
• The equator divides the Earth into the northern and southern hemispheres.
• Australia and Brazil are both located in the southern hemisphere.
• The celestial hemisphere contains the stars visible from a specific location on Earth.

Question 17

belts

Answer 17

Geographic Belts: These refer to regions or bands with specific characteristics.

For example: The tropical belt near the equator experiences warm temperatures year-round.

The temperate belt has distinct seasons with moderate climate variations.

The polar belt encompasses the frigid regions near the poles.

Accessory Belts: These are straps or bands worn around the waist or hips.

For instance: Leather belts are popular fashion accessories that cinch pants or dresses.

Weightlifters use lifting belts for back support during heavy lifts.

Conveyor systems in factories use conveyor belts to transport goods.

Question 18

convection cells

Answer 18

• Convection cells refer to large-scale patterns of air movement in Earth’s atmosphere or fluid movement in other contexts. These cells result from temperature differences, causing warm air to rise and cool air to sink.
• Hadley cells are equatorial convection cells that play a crucial role in global weather patterns.
• The polar front marks the boundary between warm and cold air masses, creating distinct convection cells.
• Ocean currents also exhibit convection cells, redistributing heat around the planet.

Question 19

veer off course

Answer 19

• The phrase “veer off course” means to deviate from the intended path or direction.
• The ship encountered strong currents and began to veer off course.
• The pilot skillfully corrected the plane’s trajectory when it started to veer off course.
• The hiker lost the trail and unintentionally veered off course in the dense forest.

Question 20

schematic

Answer 20

• The term “schematic” refers to a visual representation or diagram that outlines the essential components and connections of a system or process.
• The engineer created a detailed schematic of the electrical circuit.
• Architects use schematics to plan building layouts and infrastructure.
• The schematic revealed the intricate design of the machine’s inner workings.

Question 21

presupposed

Answer 21

• The word “presupposed” means to assume or take for granted without explicit evidence.
• In the scientific study, the hypothesis presupposed a cause-and-effect relationship.
• The detective’s investigation presupposed the suspect’s innocence until proven otherwise.
• Philosophers often analyze the presupposed assumptions underlying various arguments.

Question 22

planet

Answer 22

• The term “planet” refers to a celestial body that orbits around a star (usually the Sun) and is large enough to have its own gravity shape it into a nearly spherical form.
• Earth is our home planet, teeming with life and diverse ecosystems.
• Jupiter, the largest planet in our solar system, has a striking banded appearance due to its thick atmosphere.
• Astronomers continue to discover new exoplanets beyond our solar system using advanced telescopes.

Question 23

equatorial

Answer 23

• The term “equatorial” refers to anything related to the equator, which is an imaginary circle around the Earth, equally distant from the North and South Poles.
• The equatorial regions experience consistently warm temperatures due to their proximity to the equator.
• The Amazon rainforest lies within the equatorial belt, rich in biodiversity.
• Astronomers often observe celestial objects near the equatorial plane for optimal visibility.

Question 24

convergence

Answer 24

• The term “convergence” refers to the process of coming together or meeting at a common point.
• In mathematics, the series converges when its terms approach a finite value.
• The convergence of technology and art has led to innovative digital creations.
• Economists study market trends to identify points of convergence between supply and demand.

Question 25

roaring

Answer 25

• The word “roaring” is an adjective that describes a loud, powerful, and intense sound.
• The roaring waves crashed against the rocky shore during the storm.
• The roaring engines of the race cars echoed across the racetrack.
• In the jungle, the roaring of lions could be heard from a distance.

Question 26

notorious

Answer 26

• The word “notorious” describes something or someone that is widely known for negative reasons, often associated with infamy or disrepute
• Al Capone, the infamous gangster, was notorious for his involvement in organized crime during the Prohibition era.
• The haunted mansion on the hill had a notorious reputation for ghostly sightings and eerie occurrences.
• The notorious hacker gained access to sensitive government databases, causing widespread panic.

Question 27

meteorological

Answer 27

• The term “meteorological” relates to the study of weather and atmospheric conditions.
• Meteorological data helps forecasters predict upcoming storms.
• The meteorological station monitors temperature, humidity, and wind patterns.
• Climatologists analyze long-term meteorological trends to understand climate change.

Question 28

radar reflector

Answer 28

• A radar reflector is a device designed to enhance the visibility of objects on radar systems. It reflects radar signals back to the source, making them detectable from a greater distance.
• Sailboats often use radar reflectors to improve their visibility to larger vessels.
• The radar reflector mounted on the aircraft’s tail helped air traffic controllers track its position.
• In maritime safety, installing radar reflectors on buoys aids navigation during adverse weather conditions.

Question 29

radio transmitter

Answer 29

• A radio transmitter is a device that emits electromagnetic waves, carrying information such as sound or data. It converts electrical signals into radio waves for communication
• The radio transmitter in your car allows you to listen to music and news stations.
• Air traffic controllers rely on powerful radio transmitters to communicate with pilots.
• Ham radio enthusiasts use portable transmitters to communicate over long distances.

Question 30

temperate convention zones

Answer 30

• The term “temperate zones” refers to the mild temperature areas located between the subtropical and polar regions. These zones experience moderate climate variations.
• The temperate zone lies between the Tropic of Cancer and the Arctic Circle in the Northern Hemisphere.
• In the Southern Hemisphere, it extends from the Tropic of Capricorn to the Antarctic Circle.
• The temperate zone exhibits seasonal changes, making it suitable for diverse ecosystems.