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RotaryCraft Knowledge Test

Description

Do you know enough to use RotaryCraft?
Reika Kalseki
Quiz by Reika Kalseki, updated more than 1 year ago
Reika Kalseki
Created by Reika Kalseki almost 10 years ago
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Resource summary

Question 1

Question
If you are standing upright and facing West, and then turn 90 degrees to your left, which direction are you facing?
Answer
  • East
  • North
  • West
  • South
  • Up
  • Down

Question 2

Question
Which of the following is the hottest?
Answer
  • Lava
  • Fire
  • The Sun's Surface
  • An Oven

Question 3

Question
A cold object ("Object A") is placed in direct contact with a hot object ("Object B"). Both objects are otherwise identical. After 60 minutes, which of the following will be true? Ignore heat transfer to the environment.
Answer
  • Both objects will be as hot as Object B initially was
  • Both objects will be the same temperature, about the average between the two initial temperatures
  • Both objects will be as cold as Object A initially was
  • Their temperatures will remain the same as they started

Question 4

Question
Assume C=A*B, C must be at least 65536, and A must be at least 512. Pick the value pairs for A and B to satisfy this condition.
Answer
  • A = 1024, B = 64
  • A = 128, B = 8192
  • A = 4096, B = 8
  • A = 65536, B = 0
  • A = 2048, B = 128
  • A = 512, B = 16

Question 5

Question
C = A*B. If A is multiplied by four and B is divided by eight, what is the new value for C?
Answer
  • One quarter its original value
  • Eight times smaller
  • Twice as large
  • Half the original value

Question 6

Question
Check all of the phrases which mean the exact same thing.
Answer
  • Object A is twice the mass of object B.
  • Two of object A would have equal the mass of object B.
  • Object B is half the mass of object A.
  • If object A was doubled in mass, object B would be four times less massive than A.
  • Half the mass of object B is equal to one eighth the mass of object A.
  • Object A is 200% the mass of object B.

Question 7

Question
Which of the following mathematical relationships grows the fastest when x > 0?
Answer
  • Quadratic (y=x^2)
  • Logarithmic (y = log[x])
  • Exponential (y=2^x)
  • Linear (y = x)
  • Reciprocal (y = 1/x)

Question 8

Question
Which of the following is the most likely result of dramatically heating gas in a rigid container which has no exit?
Answer
  • Pressure Explosion
  • Nothing
  • Nuclear Explosion
  • Hot Gas

Question 9

Question
If the time taken for a machine to do something reduces by 4 seconds every time the input speed is doubled, and it takes 28 seconds with an input speed of 128 rad/s, how fast must the input speed be for the time taken to be 4 seconds?
Answer
  • 4096 rad/s
  • 65536 rad/s
  • 8192 rad/s
  • 32 rad/s

Question 10

Question
Which of the following are correct?
Answer
  • If a fair coin is flipped, and it has landed "Heads" the last eight times, it has a 50% chance of landing "Tails" the ninth time.
  • If something has a 50% chance of happening, and it is given four chances to happen, it will happen exactly twice.
  • If a number of marbles are randomly scattered around the floor, they will be approximately evenly spaced.
  • If something has a 2% chance of happening, and it is given a chance to happen every 0.05 seconds, it will have at least a 95% chance of happening within 7.5 seconds.
  • A random number generator, which outputs numbers from 1 to 10 (inclusive) outputs "10" eleven times in a row. It has a very low chance (less than 1%) of outputting "10" the next time.
  • It is possible for something to have a 99.99% chance of happening yet fail to do so after 400 chances.

Question 11

Question
If an engine uses 5400 units of fuel an hour, how many units of fuel do you need to ensure its steady operation for at least 40 seconds?
Answer
  • 4800
  • 10
  • 240
  • 60

Question 12

Question
Lava is about the right temperature for boiling water, neither excessively high nor too low.
Answer
  • True
  • False

Question 13

Question
A jet engine would function mostly normally on the moon.
Answer
  • True
  • False

Question 14

Question
Temperatures are greater deep underground than a little bit below the surface.
Answer
  • True
  • False

Question 15

Question
A large disc is made of a uniform material and then spun at gradually increasing speed. Which of these materials is likely to fail first?
Answer
  • Wood
  • Gold
  • Iron
  • Stone
  • Steel
  • Glass
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