Description : A psychrometer (pron: si-'kro-me-ter) is used to measure humidity. It consists of two thermometers, one of which is wetted. The water is allowed to evaporate. Which thermometer reads the higher temperature. w) the wet one x) the dry one
Last Answer : ANSWER: X -- THE DRY ONE
Description : The process by which a substance absorbs moisture upon exposure to the atmosphere is called: w) efflorescence x) deliquescence y) dehydrogenation z) desalination
Last Answer : ANSWER: X -- DELIQUESCENCE
Description : Which instrument is used for measuring humidity of atmosphere? (1) Barometer (2) Anemometer (3) Thermometer (4) Hygrometer
Last Answer : 4. Hygrometer Explanation: A hygrometer, also known as a psychrometer, is used to measure the humidity in the air.
Last Answer : Anemometer
Description : The instrument used to measure pressure (1) Anemometer (2) Aneroid Barometer (3) Hygrometer (4) Thermometer
Last Answer : Aneroid Barometer
Description : You use a hydrometer to check the condition of the electrolyte in your car battery. It is actually measuring what property of the fluid? w) charge x) density y) temperature z) surface tension
Last Answer : ANSWER: X -- DENSITY
Description : One of the potential health effects of exposure to high levels of noise is called tinnitus (pron: ti - NI - tes), which means: w) a permanent loss of hearing. x) a persistent ringing ... ) a temporary loss of hearing, especially of upper frequencies. z) abdominal discomfort from low frequency noise.
Last Answer : ANSWER: X -- A PERSISTENT RINGING OR HISSING IN THE EARS AFTER EXPOSURE.
Description : The study of poisons is called: w) oncology x) toxicology y) phrenology z) ergonomics (pron: ur - go - no - mics)
Last Answer : ANSWER: X -- TOXICOLOGY
Description : The per capita birth rate of a population is known as its: w) mortality x) natality (pron: nay-tal-eh-ty) y) population density z) carrying capacity
Last Answer : ANSWER: X -- NATALITY
Description : Speed of wind is measured by – (1) barometer (2) hygrometer (3) thermometer (4) anemometer
Last Answer : (4) anemometer Explanation: An anemometer is a device for measuring wind speed, and is a common weather station instrument. The term is derived from the Greek word anemos, meaning wind, ... aerodynamics. The first known description of an anemometer was given by Leon Battista Alberti around 1450.
Description : Speed of wind is measured by (1) barometer (2) hygrometer (3) thermometer (4)anemometer
Last Answer : anemometer
Description : Atmospheric pressure is measured with a (a) hydrometer (b) barometer (c) hygrometer (d) altimeter
Last Answer : Ans:(b)
Description : Instrument used to study the behaviour of a vibrating siring is : (1) Barometer (2) Hydrometer (3) (2) Hygrometer (4) (4) Sonometer
Last Answer : (4) Sonometer Explanation: A Sonometer is a device for demonstrating the relationship between the frequency of the sound produced by a plucked string, and the tension, length and mass per unit ... usually called Mersenne's laws after Marin Mersenne (1588-1648), who investigated and codified them.
Description : The instrument that measures and records the relative humidity of air is – (1) Hydrometer (2) Hygrometer (3) Lactometer (4) Barometer
Last Answer : (2) Hygrometer Explanation: A hygrometer is an instrument used for measuring the moisture content in the environment. Humidity measurement instruments usually rely on measurements of some other ... By calibration and calculation, these measured quantities can lead to a measurement of humidity.
Description : Instrument used to study the behaviour of a vibrating string is : (1) Barometer (2) Hydrometer (3) Hygrometer (4) Sonometer
Last Answer : Sonometer
Description : The instrument that measures and records the relative humidity of air is (1) Hydrometer (2) Hygrometer (3) Lactometer (4) Barometer
Last Answer : Hygrometer
Description : What is the approximate weight in pounds of the atmosphere on a 1 sq. ft. surface at sea level? w) 15 lbs. x) 1500 lbs. y) 2100 lbs. z) 20,000 lbs.
Last Answer : ANSWER: Y -- 2100 LBS.
Description : Ozone in the upper atmosphere is produced from: w) lightning x) photochemical reactions y) electrical appliances on Earth z) model fractals
Last Answer : ANSWER: X -- PHOTOCHEMICAL REACTIONS
Description : A thermocouple is used to measure w) pressure x) current y) strain z) temperature
Last Answer : ANSWER: Z -- TEMPERATURE
Description : A cyclone is an engineering device that is used to w) transport materials x) segregate particles y) control switching devices z) model fractals
Last Answer : ANSWER: X -- SEGREGATE PARTICLES
Description : Which of the following pairing is incorrect? (1) Hygrometer Water vapour content of the atmosphere (2) Lactometer Specific gravity of liquids (3) Anemometer Speed of the wind (4) Seismograph Earthquakes
Last Answer : Lactometer Specific gravity of liquids
Description : Between the layers of phospholipids in a cell membrane, there is an area that is: a) hydrophobic (pron: high-dro-fo-bick) b) hydrophillic (pron: high-dro-fill-ick) c) hygroscopic (pron: high-grow-scop-ick) d) hygrolipic (pron: high-grow-lip-ick)
Last Answer : ANSWER: A -- HYDROPHOBIC
Description : Ethylene diamine tetraacetoacetate (pron: te-tra-a-see-tow-AS-e-tate) (EDTW) is often used for which of the following: w) Determine hardness of water x) Measure the amount of zinc in a solution. y) A preservative in foods z) All of the above
Last Answer : ANSWER: Z -- ALL OF THE ABOVE
Description : An instrument used to measure humidity is: (1) Anemometer (2) Hygrometer (3) Thermometer (4) Pyrheliometer
Description : How can we measure specific gravity of milk? (1) Using a viscometer (2) Using an odometer (3) Using a hygrometer (4) Using a hydrometer
Last Answer : (4) Using a hydrometer Explanation: A hydrometer is an instrument that measures the specific gravity of liquids the ratio of the density of the liquid to the density of water.
Description : An instrument used to measure soil compaction is: a Hydrometer b Cone penetrometer c Tachometer d Hygrometer
Last Answer : b Cone penetrometer
Description : What range of frequencies are usually referred to as the Ultra High Frequency (UHF) Band? w) 3 to 30 Mega Hertz x) 30 to 300 Mega Hertz y) 300 to 3,000 Mega Hertz z) 30,000 to 300,000 Mega Hertz
Last Answer : ANSWER: Y -- 300 to 3,000 MEGA HERTZ
Description : High-temperature superconductors have been in the news lately. These materials become superconductive at temperatures around w) 200 degrees Fahrenheit x) 100 degrees Fahrenheit y) -150 degrees Fahrenheit z) -350 degrees Fahrenheit
Last Answer : ANSWER: Z -- -350 DEGREES FAHRENHEIT
Description : Most of the nuclear power plants operating in the United States are: w) pressurized water reactors x) boiling water reactors y) high-temperature gas-cooled reactors z) liquid-metal fast breeder reactors
Last Answer : ANSWER: W -- PRESSURIZED WATER REACTORS
Description : To reverse the direction of rotation of a three-phase AC induction motor, do one of the following: w) reverse any two of the three-phase connections x) change the frequency of the applied AC power y) operate the motor below the stall torque at very high slip z) none of the above
Last Answer : ANSWER: W -- REVERSE ANY TWO OF THE THREE-PHASE CONNECTIONS
Description : In a certain electronic circuit the output is positive if input 1 is positive and input 2 is zero. If both inputs are positive the output is zero. This is: w) an AND circuit x) a NOR circuit y) an OR circuit z) a high-pass filter
Last Answer : ANSWER: Y -- AN OR CIRCUIT
Description : It is a common observation that naturally occurring processes have a particular direction associated with them. For instance, heat flows from a hot body to a colder body. The property of a system ... this natural direction of events is called w) energy x) entropy y) enthalpy z) equilibrium
Last Answer : ANSWER: X -- ENTROPY
Description : An alloy consisting mainly of tin and lead is called: w) brass x) bronze y) pewter z) chrome
Last Answer : ANSWER: Y -- PEWTER
Description : One metal dissolved in another is called w) an alloy x) an assay y) a mineral z) a ceramic
Last Answer : ANSWER: W -- AN ALLOY
Description : Pollination by wind is called: w) autogamy x) entomophily y) anemophily z) ornithophily
Last Answer : ANSWER: Y -- ANEMOPHILY
Description : Nitrous oxide, commonly called laughing gas, has been a matter of concern to environmentalists recently because: w) it is thought to cause cancer at low concentrations. x) it produces photochemical smog. y) it is a greenhouse gas. z) none of the above
Last Answer : ANSWER: Y -- IT IS A GREENHOUSE GAS.
Description : The science of weights and measures is called: w) metrology x) meteorology y) mineralogy z) morphology
Last Answer : ANSWER: W -- METROLOGY
Description : Who is called the Father of the Nuclear Navy? w) Edward Teller x) Robert Oppenheimer y) Hymen Rickover z) Chester Nimitz
Last Answer : ANSWER: Y -- HYMEN RICKOVER
Description : If a metal can be drawn into wires relatively easily it is called: w) malleable x) ductile y) extractive z) tactile
Last Answer : ANSWER: X -- DUCTILE
Description : Evaporation from water surfaces exposed to air is not dependent of the: w) velocity of the wind x) humidity y) temperature z) depth of the water
Last Answer : ANSWER: Z -- DEPTH OF THE WATER
Description : For a DC motor, what major component in addition to the field winding and the armature winding is necessary? w) a commutator x) a stator y) a battery z) a rotor
Last Answer : ANSWER: W -- A COMMUTATOR
Description : Dante is the name of an eight-legged robot designed to repel into the crater of Erebus. This volcano is located in w) Italy x) the Hawaiian chain y) Antarctica z) Japan
Last Answer : ANSWER: Y -- ANTARCTICA
Description : Who is known as the Father of the Atomic Bomb? w) Albert Einstein x) J. Robert Oppenheimer y) General Leslie Groves z) Edward Teller
Last Answer : ANSWER: X -- J. ROBERT OPPENHEIMER
Description : In 1991, the frozen body of a late stone age man was found amazingly intact in the Alps near the Italian-Austrian border. Its age was determined to be about: w) 2,200 years x) 5,300 years y) 12,800 years z) 30,000 years
Last Answer : ANSWER: X -- 5,300 YEARS
Description : The sun makes up approximately what percent of matter in our solar system? w) 17% x) 50% y) 85% z) 99%
Last Answer : ANSWER: Z -- 99%
Description : Deforestation is not a major environmental problem in w) the Amazon x) Borneo y) Oregon z) West Germany
Last Answer : ANSWER: Z -- WEST GERMANY
Description : Who was the first scientist credited with pointing out that certain gases could cause a greenhouse effect? w) John Tyndall x) Charles Darwin y) Roger Tory Peterson z) Stephen Jay Gould
Last Answer : ANSWER: W -- JOHN TYNDALL
Description : Which of the following is considered a renewable resource? w) Coal fired power plant x) Hydroelectric dam y) Combustion turbine facility z) Nuclear fission power plant
Last Answer : ANSWER: X -- HYDROELECTRIC DAM
Description : The U.S. EPA recently concluded that environmental tobacco smoke should be considered (quote) w) "a possible human teratogen" x) "a priority air pollutant" y) "a known human carcinogen" z) "a possible human carcinogen"
Last Answer : ANSWER: Y -- A KNOWN HUMAN CARCINOGEN
Description : TCDD (2,3,6,7-tetrachlorodibenzo(p)dioxin) is a toxic synthetic chemical. The most consistent adverse effect observed in exposed humans is: w) liver cancer x) birth defects y) disfiguring skin eruption z) an exaggerated sense of well-being
Last Answer : ANSWER: Y -- DISFIGURING SKIN ERUPTION (CHLORACNE)