Description : What is the SI unit of pressure? w) Pascal x) Torr y) Dyne z) Kelvin
Last Answer : ANSWER: W -- PASCAL
Description : The SI unit of pressure is the: w) Torr x) dyne per centimeter squared y) atmosphere z) pascal
Last Answer : ANSWER: Z -- PASCAL
Description : Liquid "X" is at equilibrium with its vapor in a cylinder and piston apparatus. When the volume of the space above the liquid is 50 ml and the temperature 25!, the vapor pressure of "X" is 120 torr. What will the ... 25!C? Some liquid is always present. w) 30 torr x) 60 torr y) 120 torr z) 240 torr
Last Answer : ANSWER: Y -- 120 TORR
Description : Which of the following quantities has the GREATEST influence on the overall efficiency of a conventional (Rankine cycle) electric generating station burning fossil fuels? w) steam temperature at the steam turbine ... pressure at the steam turbine inlet z) pounds of ash and sulfur per pound of fuel
Last Answer : ANSWER: W -- STEAM TEMPERATURE AT THE STEAM TURBINE INLET
Description : Units commonly used for entropy are: w) kilograms per degree Kelvin x) Joules per degree Kelvin y) Newtons per Coulomb z) ergs
Last Answer : ANSWER: X -- JOULES PER DEGREE KELVIN
Description : The statement, "In regions where fluid velocity is smaller, the pressure is higher, and vice versa", is known as the principle of: w) Pascal x) Bernoulli y) Torricelli z) Archimedes
Last Answer : ANSWER: X -- BERNOULLI
Description : Which of the following is NOT an SI unit of measure? w) watt x) newton y) joule z) erg e) second
Last Answer : ANSWER: Z -- ERG
Description : What is 20 degrees Celsius in degrees Kelvin? w) 70 degrees x) 293 degees y) 100 degrees z) 212 degrees
Last Answer : ANSWER: X -- 293 DEGREES
Description : According to the kinetic theory, the Kelvin temperature of an ideal gas is proportional to which one of the following. Is the temperature proportional to the gas's average molecular: w) velocity x) momentum y) kinetic energy z) potential energy
Last Answer : ANSWER: Y -- KINETIC ENERGY
Description : A rise in temperature of 20 Kelvin degrees is equal to a rise of: w) 20 degrees Celsius x) 36 degrees Celsius y) 68 degrees Celsius z) 293 degrees Celsius
Last Answer : ANSWER: W -- 20 DEGREES CELSIUS
Description : The unit of pressure in S.I. units is (a) kg/cm2 (b) mm of water column (c) pascal (d) dynes per square cm (e) bars
Last Answer : Answer : c
Description : Of the following, which has units of "Pascal". w) force x) volume y) pressure z) viscosity
Last Answer : ANSWER: Y -- PRESSURE
Description : If the volume of a gas changes by a factor of 3, with pressure remaining constant, the temperature in Kelvin will change by a factor of: w) 1/9 x) 1/3 y) 3 z) 9
Last Answer : ANSWER: Y -- 3
Description : One barrel of oil has about the same heat content as how much coal: w) 70 pounds x) 700 pounds y) 1,400 pounds z) 2,800 pounds
Last Answer : ANSWER: X -- 700 POUNDS
Description : The SI unit of frequency is _______. a)metre b)seconds c) hertz d)pascal
Last Answer : c) hertz
Description : One curie is equal to: w) the square root of the binding energy x) the energy of an alpha-particle y) 3.7 x 1010 disintegrations per second z) mc2
Last Answer : ANSWER: Y -- 3.7 x 1010 DISINTEGRATIONS PER SECOND
Description : What is the Si unit for temperature? a. Kelvin b. Celsius c. Fahrenheit d. Rankine
Last Answer : Kelvin
Description : Kelvin is the SI unit of: (1) Time (2) Current (3) Temperature (4) Light intensity
Last Answer : Kelvin is the SI unit of: Temperature.
Description : Which of the following best completes the statement: The calorie is the amount of heat needed to raise: w) 1 gram of water 1 degree Celsius x) 1 gram of water 1 degree Rankin y) 1 kilogram of water 1 degree Celsius z) 1 kilogram of water 1 degree Kelvin
Last Answer : ANSWER: W -- 1 GRAM OF WATER 1 DEGREE CELSIUS
Description : The inventor of the Kelvin temperature scale was: w) K. Cavendish II x) Lord William H. Harrison y) Sir William Thomson z) none of the above
Last Answer : ANSWER: Y -- SIR WILLIAM THOMSON
Description : To within 1 pound per square inch, what is the nominal pressure due to water at a depth of 100 feet below the surface of a body of water?
Last Answer : ANSWER: 43.3 POUNDS PER SQUARE INCH (accept 42.3 to 44.3)
Description : How many atoms per unit cell are in a face-centered-cubic crystal? w) two x) four y) six z) eight
Last Answer : ANSWER: X -- FOUR
Description : In physics, a radian per second squared is a unit of: w) angular displacement x) angular velocity y) angular acceleration z) angular momentum.
Last Answer : ANSWER: Y -- ANGULAR ACCELERATION
Description : In physics, a radian per second is a unit of: w) angular displacement x) angular velocity y) angular acceleration z) angular momentum.
Last Answer : ANSWER: X -- ANGULAR VELOCITY
Description : A unit of pressure used in high vacuum technology, which is equal to 1mmhg. a. specific heat b. isometric c. isobaric d. torr
Last Answer : torr
Description : Another unit used to measure atmospheric pressure is the “torr”. This is named after the Italian physicist, Evangelista Torrecelli. An average atmospheric pressure is how many torr? A. 740 B. 750 C. 760 D. 770
Last Answer : 760
Description : If two different gases have the same volume, temperature, and pressure and behave like ideal gases, they will also be identical in which one of the following ways? w) average molecular velocity x) total mass y) total molecular kinetic energy z) average momentum per molecule
Last Answer : ANSWER: Y -- TOTAL MOLECULAR KINETIC ENERGY
Description : What is the hydrostatic pressure at the bottom of a pool 6 meters deep? w) 60,000 Newtons per meter squared x) 6,000 Newtons per meter squared y) 600 Newtons per meter squared z) 60 Newtons per meter squared
Last Answer : ANSWER: W -- 60,000 NEWTONS PER METER SQUARED
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 : The shape of a magnetic field around a long straight current carrying wire is: w) elliptical. x) square y) varies depending on the magnitude of the current z) circular
Last Answer : ANSWER: Z -- CIRCULAR
Description : The length of both sides of a square parallel plate capacitor are doubled. The capacitance is: w) halved x) the same y) doubled z) quadrupled
Last Answer : ANSWER: Z -- QUADRUPLED
Description : For an electromagnetic wave traveling in a vacuum, if the magnitude of the intensity of the E field is zero, the magnitude of the intensity of the B field is: w) zero x) a negative maximum y) a positive maximum z) the square root of 2 times the positive maximum
Last Answer : ANSWER: W -- ZERO
Description : The gravitational potential energy between two bodies is inversely proportional to: w) the cube of the distance x) the first power of the distance y) the square of the distance z) it has no relation to distance
Last Answer : ANSWER: X -- THE FIRST POWER OF THE DISTANCE
Description : The kinetic energy of a stone falling near the earth's surface through a vacuum increases with the: w) square root of its velocity x) cube root of its velocity y) square of its velocity z) cube of its velocity
Last Answer : ANSWER: Y -- SQUARE OF ITS VELOCITY
Description : The gravitational potential energy of an object close to the ground varies: w) inversely as its distance from the ground x) directly as its distance from the ground y) inversely as the square of its distance from the ground z) directly as the square of its distance from the ground
Last Answer : ANSWER: X -- DIRECTLY AS ITS DISTANCE FROM THE GROUND
Description : Which of the following is an average number of inches of snow equal to one inch of rain? w) 1 inch x) 5 inches y) 10 inches z) 25 inches
Last Answer : ANSWER: Y -- 10 inches
Description : What is the thermodynamic temperature scale in the SI system? A. Kelvin scale B. Celsius scale C. Fahrenheit scale D. Rankine scale
Last Answer : Kelvin scale
Description : 1 torr is equal to A. 1 N⁄m² B. 1 mm Hg C. 1 bar D. All of the above
Last Answer : 1 mm Hg
Description : How many torr are there in one atmosphere?
Last Answer : ANSWER: 760
Last Answer : Normally, air pressure on a human being is 15 pounds per square inch.
Description : How much pressure per square inch is on human foot when going down stairs?
Last Answer : You can't say 'pressure per square inch. It's just 'pressure',which equals force per square inch. You divide the person's weightby the area of the foot in contact with the stairs to get theanswer.
Description : It is observed that the total pressure exerted by air on the man of average size is around 14.7 lb wt. per square inch. But the man feels quite comfortable,. It is because of-----? A. An equal and ... B. of the height of a man C. of gravity D. Earth pulls the man upward E. None of these
Last Answer : A. An equal and opposite pressure acts from inside (Answer)
Description : The ability of an atom to absorb neutrons is its neutron capture cross section. The unit of measurement for neutron capture cross section is: w) the nucleus volume x) capture capacity y) resonance quotient z) barn
Last Answer : ANSWER: Z -- BARN
Description : Which of the following terms refer to the amount of heat needed to raise the temperature of a unit mass of a substance through one degree? w) Heat of fusion x) Liquification heat y) Internal heat z) Specific heat
Last Answer : ANSWER: Z -- SPECIFIC HEAT
Description : The unit of mass in the English system of measure is which of the following? w) pound x) gram y) slug z) dyne
Last Answer : ANSWER: Y -- SLUG
Description : The GeV is a unit of: w) momentum x) energy y) velocity z) time
Last Answer : ANSWER: X -- ENERGY
Description : While traveling in a straight line, a car uniformly changes its speed from 50 kilometers per hour to 110 kilometers per hour in 5 seconds. The acceleration of the car during this time is: w) 5 ... per hour per second y) 50 kilometers per hour per second z) 60 kilometers per hour per second
Last Answer : ANSWER: X -- 12 KILOMETERS PER HOUR PER SECOND
Description : An object with a mass of 5 kilograms is a distance of 5 meters above the surface of the earth. If the acceleration due to gravity is 10 meters per second squared, the potential energy of the object relative to the ... is: w) 10 joules x) 20 joules y) 100 joules z) 250 joules e) none of the above
Last Answer : ANSWER: Z -- 250 JOULES
Description : A car traveling at a constant velocity of 20 meters per second passes a second car which is initially at rest. The car which was at rest starts accelerating at 10 meters per second squared the instant it is passed ... car. They will meet again in: w) 2 seconds x) 4 seconds y) 6 seconds z) 8 seconds
Last Answer : ANSWER: X -- 4 SECONDS
Description : Two coal trains, one southbound, the other westbound, reach an over and under crossing at the same instant and each proceed at 40 kilometers per hour on their respective courses. Approximately how far apart are the lead cars two hours later, to the nearest kilometer? w) 80 x) 113 y) 136 z) 160
Last Answer : ANSWER: X -- 113