MS Sample Set 11, Round 16 from NSB
What alkaline earth metal, commonly used in X-ray-transparent windows, is lighter than aluminum but stiffer than steel?
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Oak Ridge National Lab operates the High Flux Isotope Reactor, which can produce rare radioisotopes. What particles have a high flux in this reactor?
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What is the largest quotient that can be formed using two of the following five numbers: –40, –2, 1, 8, 16?
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What is the y-intercept of the line that contains the points (–2, 3) and (3, 10)?
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By definition, what is the magnitude of a unit vector?
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In meters per second and to one significant figure, what will be the magnitude of the final velocity when a 1000-kilogram mass traveling at 20 m/s collides perfectly inelastically with a stationary mass of 3000 kg?
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The reactions that the cell uses to harvest energy from sugars can be classified as what? W) Decomposition X) Synthesis Y) Redox Z) Combustion
W: W) Decomposition
X: X) Synthesis
Y: Y) Redox
Z: Z) Combustion
Answer: Y) Y) Redox
In a biology lab, what machine is used to sterilize glassware via the application of very hot steam?
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Joe’s average score on his first four exams was 80. If his average after the fifth exam was 82, what did he score on the fifth test?
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What is the coefficient of the \(ab^2\) term in the binomial expansion of \((5a - 6b)^3\)?
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Wolframite is an ore for what transition metal?
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Which of the following statements is true regarding ocean tides and currents? W) Tides are the horizontal movement of ocean water and currents are vertical movements X) Tides are constant while currents are variable Y) Both tides and currents are influenced by gravitational pull Z) Tides and currents vary with the moon phases
W: W) Tides are the horizontal movement of ocean water and currents are vertical movements
X: X) Tides are constant while currents are variable
Y: Y) Both tides and currents are influenced by gravitational pull
Z: Z) Tides and currents vary with the moon phases
Answer: Y) Y) Both tides and currents are influenced by gravitational pull
If an object is moving in uniform circular motion, there is a force vector pointing towards the center of the circle. What is the name of this force?
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How much work, in joules to the nearest integer, is done by gravity when a 2-kilogram ball falls 12 meters to the ground?
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What is the most common type of geothermal plant?
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The capacity factor for a power plant is defined as the amount of electric energy generated over a given time period, divided by the amount of electric energy that would have been generated had that plant operated at 100% for the entire time period. Which of the following would be a typical capacity factor for a solar photovoltaic power plant? W) 5% X) 20% Y) 50% Z) 80%
W: W) 5%
X: X) 20%
Y: Y) 50%
Z: Z) 80%
Answer: X) X) 20%
What are the smallest and largest integers that satisfy the following absolute value inequality: \(\lvert x - 5\rvert < 3\)?
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How many different (that is, non-congruent) isosceles triangles that are not equilateral have the length of each side being an integer between 3 and 6 inclusive?
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In the water-gas shift reaction, what gas reacts with water?
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The radioisotope thermoelectric generators used by NASA to power spacecraft primarily use what radioactive element as a heat source?
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What are the two types of vascular tissue found in plants?
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What human organ produces glucagon?
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What type of stellar event created the Crab Nebula?
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Geologically, detritus consists of chunks and smaller grains of rock broken off other rocks by physical weathering and erosion. What is the term for a fragment of detritus? W) Sediment X) Clast Y) Particle Z) Breccia
W: W) Sediment
X: X) Clast
Y: Y) Particle
Z: Z) Breccia
Answer: X) X) Clast
How many lone pairs does a single molecule of water have?
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What is the oxidation number of sulfur in the sulfate ion, SO₄²⁻?
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Which of the following is closest to the percentage of mass in our Solar System belonging to the Sun? W) 80 X) 90 Y) 95 Z) 99
W: W) 80
X: X) 90
Y: Y) 95
Z: Z) 99
Answer: Z) Z) 99
The Chandrasekhar limit sets a theoretical maximum on which of the following properties of a white dwarf star? W) Luminosity X) Mass Y) Age Z) Temperature
W: W) Luminosity
X: X) Mass
Y: Y) Age
Z: Z) Temperature
Answer: X) X) Mass
What organ system in the human body is responsible for coordinating activities of the body via hormones?
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What type of tissue covers the surface of the vertebrate body and is derived from all three germ layers?
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Just before the totality of a solar eclipse, the Moon's rough surface allows small patches of sunlight to break through. What is this effect known as? W) Diamond ring effect X) Bailey's beads Y) Clavius spots Z) Humboldt dots
W: W) Diamond ring effect
X: X) Bailey's beads
Y: Y) Clavius spots
Z: Z) Humboldt dots
Answer: X) X) Bailey's beads
Which of the planets of the Solar System has the longest orbital period?
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What allotrope of carbon is similar to graphite, but consists of only a single layer of atoms?
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In order for nuclear fusion to occur, the repulsion from what fundamental force must be overcome?
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What is the perimeter of a right triangle with legs of length 1 and 3?
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A 5-digit palindrome has 3 different digits and is divisible by 3. What is the largest such number?
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What is the name of the thermodynamic law that describes why the isothermal mixing of two ideal gases is spontaneous?
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The strongest known hydrogen bond occurs between the fluoride ion and what molecule?
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What is the slope of the line with equation \(3x + 7y = -21\)?
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In a particular year, if April 17 is on a Friday, on what day of the week is October 29?
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What is the term for the small, fingerlike projections in the small intestine that increase the overall surface area?
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What is the adjective for the type of muscle contraction that involves the muscle remaining the same length throughout the contraction?
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Lakes and rain on Titan are primarily composed of what compound?
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In oceanography, what does the abbreviation PSU stand for?
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What is the term for RNA-based viruses that produce DNA once they infect their host?
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What kind of tropism in plants occurs as a result of touch?
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