Superheated Vapour Characteristics Quiz
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Questions and Answers

In the first sentence, what is the correct word that best completes the statement?

  • principle, principle
  • principal, principle (correct)
  • principal, principal
  • principle, principal

    • Which word is the most suitable to fill in the blank in the second sentence?

  • greatness
  • frugality (correct)
  • cleanliness
  • punctuality

    • What is the area of the original rectangle if it loses 650m² during its transformation into a square?

  • 4500 (correct)
  • 1125
  • 2924
  • 2250

    • If seven machines take 7 minutes to make 7 toys, how many minutes would 100 machines take to make 100 toys at the same rate?

    <p>1</p> Signup and view all the answers

    If a number consists of two digits and the sum of the digits is 9, what is the number if its digits are interchanged after subtracting 45?

    <p>72</p> Signup and view all the answers

    For integers 𝑎, 𝑏, and 𝑐, what would be the minimum and maximum values of 𝑎 + 𝑏 + 𝑐 if log |𝑎| + log |𝑏| + log |𝑐| = 0?

    <p>-1, 1</p> Signup and view all the answers

    Which of the following correctly describes the values of 𝑎 and 𝑏 if 𝑎 + 𝑎^2𝑏^3 is odd?

    <p>𝑎 is even and 𝑏 is odd</p> Signup and view all the answers

    If a train takes 25 seconds to pass a platform at 54 km/h and 14 seconds to pass a man at 9 km/h, what is the length of the train and the platform?

    <p>245 meters and 130 meters</p> Signup and view all the answers

    Which function represents the graph shown in the figure provided?

    <p>𝑦 = ||𝑥| − 1| − 1</p> Signup and view all the answers

    Based on the given statements, which one can be logically inferred?

    <p>If statement (i) is true and (ii) is false, then (iii) is true.</p> Signup and view all the answers

    What is the value of R for a perfectly plastic material?

    <p>0.865</p> Signup and view all the answers

    In a sheet metal blanking operation, what is the percentage scrap?

    <p>26.50%</p> Signup and view all the answers

    What is the value of y(1) when using an explicit forward Euler method with dy/dt = y and y(0) = 1?

    <p>2.26</p> Signup and view all the answers

    What is F(1) when F(s) is the Laplace transform of f(t) = 2t^2e^(-t)?

    <p>-0.20</p> Signup and view all the answers

    What is the maximum bending stress in the simply supported beam under a uniformly distributed load of 10 kN/m?

    <p>3.7 MPa</p> Signup and view all the answers

    What is the magnitude of the dynamic force transmitted from each mount to the ground for a machine subjected to F(t) = 50 cos(5t)?

    <p>-25.00 N</p> Signup and view all the answers

    What is the change in specific entropy of the ideal gas from state 1 to state 2?

    <p>Not enough information provided</p> Signup and view all the answers

    For a Pelton wheel with a given water jet velocity, when is the maximum output power obtained?

    <p>When the bucket speed exceeds water jet speed</p> Signup and view all the answers

    What is the height in mm required for a 125 mm sine bar to measure a taper of 27° 32' on a flat work piece?

    <p>122.539 mm</p> Signup and view all the answers

    In the context of two independent normal random variables X1 and X2, what is true about Y = X1 - X2?

    <p>Y is not normally distributed with mean 0 and variance 1</p> Signup and view all the answers

    What is the value of the given integral ∯ 𝑟⃗ ∙ 𝑛⃗⃗ 𝑑𝑆 over the closed surface S bounding a volume V?

    <p>-V</p> Signup and view all the answers

    After losing 20% of its impact velocity in each collision with the ground, what happens to the velocity of a point mass shot vertically up from ground level?

    <p>It decreases after each collision</p> Signup and view all the answers

    For a superheated vapour, which of the following statements is correct?

    <p>Its volume is less than the volume of the saturated vapour at a given temperature.</p> Signup and view all the answers

    In a linearly hardening plastic material, what happens to the true stress beyond initial yielding?

    <p>Increases linearly with the true strain</p> Signup and view all the answers

    What type of weld is represented by the shaded region in the figure?

    <p>Plug</p> Signup and view all the answers

    If the cutting speed is reduced by 50% in the Taylor’s tool life equation with exponent n = 0.5, what is the ratio of new tool life to original tool life?

    <p>4</p> Signup and view all the answers

    What does a grinding ratio of 200 imply?

    <p>Grinding wheel wears 200 times the volume of material removed</p> Signup and view all the answers

    In a face-centered cubic (FCC) crystal, what are the number of atoms per unit cell and slip systems, respectively?

    <p>4, 48</p> Signup and view all the answers

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