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AIHM (Aviation/Hospitality) — free MCQ practice

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AIHM (Aviation/Hospitality) subjects

Physics (30)

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Aviation and MarineFluid MechanicsPhysics

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A brass block sinks while a wooden block floats. The difference lies in their:Read the answer and worked solution →Density is worked out by dividing mass by:Read the answer and worked solution →Ice forms at the top of a pond because cold water becomes less:Read the answer and worked solution →A substance whose density is the same everywhere is described as:Read the answer and worked solution →

Worked practice questions

A brass block sinks while a wooden block floats. The difference lies in their:

  1. Density
  2. Destiny
  3. Duration
  4. Direction
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Correct answer: A. Density

1. Both are compared with water. 2. One is heavier per unit volume. 3. The difference is density. _Source: OpenStax University Physics Volume 1, Chapter 14, Fluid Mechanics._

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Density is worked out by dividing mass by:

  1. Vintage
  2. Volume
  3. Voltage
  4. Vantage
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Correct answer: B. Volume

1. Mass alone says nothing about packing. 2. The space occupied must be divided out. 3. So divide by volume. _Source: OpenStax University Physics Volume 1, Chapter 14, Fluid Mechanics._

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Ice forms at the top of a pond because cold water becomes less:

  1. Dense
  2. Deep
  3. Dark
  4. Damp
Show answer and solution

Correct answer: A. Dense

1. Water peaks in density above freezing. 2. Colder water then gets lighter. 3. So it becomes less dense. _Source: OpenStax University Physics Volume 1, Chapter 14, Fluid Mechanics._

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