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Diploma in Engineering Engineering Entrance — practice questions

Explore 30 free Engineering Entrance questions in Diploma in Engineering Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Engineering Entrance questions and exercises with answers

Showing questions 1–30 of 30.

Density is defined as the mass of a substance divided by its:Read the answer and worked solution →Ice forms at the top of a pond because water reaches its greatest density:Read the answer and worked solution →A substance whose density is the same throughout is described as:Read the answer and worked solution →A substance whose density varies from place to place is described as:Read the answer and worked solution →The ratio of a material's density to that of water, having no units, is its:Read the answer and worked solution →Although force is a vector, pressure in a fluid is a:Read the answer and worked solution →The pressure at the bottom of a container equals atmospheric pressure plus the pressure due to the:Read the answer and worked solution →A change in pressure applied to an enclosed fluid is transmitted throughout it:Read the answer and worked solution →Pascal's observations provide the foundation for the technology of:Read the answer and worked solution →A simple hydraulic system can increase force, but it cannot do more:Read the answer and worked solution →Hydraulic systems are compared with simple levers but score over them because pressure can travel through:Read the answer and worked solution →The upward force acting on any object placed in a fluid is the:Read the answer and worked solution →An object floats upward when the buoyant force is:Read the answer and worked solution →An object stays suspended at its depth when the buoyant force is:Read the answer and worked solution →Archimedes' principle states that the buoyant force equals the weight of the fluid that is:Read the answer and worked solution →A submerged object appears to weigh less because of the:Read the answer and worked solution →The relation that keeps mass constant as an incompressible fluid flows through a changing pipe is the:Read the answer and worked solution →The path traced by a small volume of fluid as it flows is called a:Read the answer and worked solution →Smooth flow in parallel layers, sometimes called steady flow, is described as:Read the answer and worked solution →The relation between pressure and flow speed in frictionless laminar flow is:Read the answer and worked solution →Bernoulli's equation is derived by applying the principle of conservation of:Read the answer and worked solution →To derive Bernoulli's equation, the fluid is assumed to have no:Read the answer and worked solution →Catch the fluid termsRead the answer and worked solution →Pop the fluid lawsRead the answer and worked solution →Run the fluid gatesRead the answer and worked solution →Slice the fluid wordsRead the answer and worked solution →Floats or sinksRead the answer and worked solution →Sort the fluid ideasRead the answer and worked solution →Type the numberRead the answer and worked solution →Fluids bingoRead the answer and worked solution →

Worked practice questions

Density is defined as the mass of a substance divided by its:

  1. Volume
  2. Voltage
  3. Velocity
  4. Viscosity
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Correct answer: A. Volume

1. Density compares how much matter fills a space. 2. Mass is divided by the space it occupies. 3. So it is divided 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 water reaches its greatest density:

  1. While boiling
  2. Above freezing
  3. Below freezing
  4. At boiling
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Correct answer: B. Above freezing

1. Water is unusual among liquids. 2. It is densest a few degrees before it freezes. 3. So the greatest density is above freezing. _Source: OpenStax University Physics Volume 1, Chapter 14, Fluid Mechanics._

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A substance whose density is the same throughout is described as:

  1. Homogeneous
  2. Heterogeneous
  3. Hydrostatic
  4. Hyperbolic
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Correct answer: A. Homogeneous

1. Every sample would give the same reading. 2. Nothing varies from place to place. 3. So the substance is homogeneous. _Source: OpenStax University Physics Volume 1, Chapter 14, Fluid Mechanics._

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More Physics topics

Fluid MechanicsPhysics