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B.Tech Industrial Mechanical Engineering — practice questions

Explore 30 free Mechanical Engineering questions in B.Tech Industrial Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Mechanical Engineering questions and exercises with answers

Showing questions 1–30 of 30.

An engineer marks how far a point has swung round a shaft. That angle is measured in:Read the answer and worked solution →A radian compares an arc length with a radius. The quantity is therefore:Read the answer and worked solution →A flywheel's angle changes steadily with time. That rate of change is the angular:Read the answer and worked solution →A shaft spec sheet lists angular velocity. The units used are radians per:Read the answer and worked solution →A workshop calls the spin speed of a wheel its rotation rate. That is the same as angular:Read the answer and worked solution →A point sits on a spinning disc. Its tangential speed equals angular velocity times the:Read the answer and worked solution →Two chips sit at different radii on the same turning disc. Farther out the tangential speed is:Read the answer and worked solution →The angular velocity vector of a spinning shaft points along the:Read the answer and worked solution →A student needs the direction of angular velocity for a turning disc. The tool is the:Read the answer and worked solution →A disc turns anticlockwise as seen from above. The angular velocity vector points:Read the answer and worked solution →A car rounds a bend at steady speed. Its centripetal acceleration points:Read the answer and worked solution →A grindstone flies apart and its stored spin energy turns into heat, sound, light and:Read the answer and worked solution →In the equation for spin energy, mass is replaced by the moment of:Read the answer and worked solution →A designer wants a wheel that resists changes in spin. He should raise its moment of:Read the answer and worked solution →Spin energy of a rigid body rises with the moment of inertia and with the angular velocity:Read the answer and worked solution →A storage device keeps energy by spinning a heavy disc fast. It is called a:Read the answer and worked solution →A shaft's moment of inertia about an offset axis is found using the:Read the answer and worked solution →A mechanic uses a long wrench on a stiff bolt. The turning effect of his force is:Read the answer and worked solution →A driver presses the accelerator. The engine then puts extra torque on the:Read the answer and worked solution →For rotation in a plane, a torque can act in how many possible directions?Read the answer and worked solution →The same push is applied nearer a door's hinges. The torque produced is:Read the answer and worked solution →In three dimensions, the torque vector stands perpendicular to the:Read the answer and worked solution →Catch the rotation termsRead the answer and worked solution →Pop the torque raisersRead the answer and worked solution →Run the rotation gatesRead the answer and worked solution →Slice the rotation wordsRead the answer and worked solution →Spin or twistRead the answer and worked solution →Sort the rotation ideasRead the answer and worked solution →Type the numberRead the answer and worked solution →Rotation bingoRead the answer and worked solution →

Worked practice questions

An engineer marks how far a point has swung round a shaft. That angle is measured in:

  1. Radians
  2. Rations
  3. Rattles
  4. Raffles
Show answer and solution

Correct answer: A. Radians

1. Rotation is measured as an angle. 2. The natural unit compares arc to radius. 3. That unit is the radian. _Source: OpenStax University Physics Volume 1, Chapter 10, Fixed-Axis Rotation._

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A radian compares an arc length with a radius. The quantity is therefore:

  1. Defenceless
  2. Dimensionless
  3. Directionless
  4. Doubtless
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Correct answer: B. Dimensionless

1. Both arc and radius are lengths. 2. Dividing one by the other cancels units. 3. So a radian is dimensionless. _Source: OpenStax University Physics Volume 1, Chapter 10, Fixed-Axis Rotation._

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A flywheel's angle changes steadily with time. That rate of change is the angular:

  1. Velocity
  2. Vibration
  3. Vignette
  4. Viscosity
Show answer and solution

Correct answer: A. Velocity

1. The angle is moving as time passes. 2. How fast it moves has its own name. 3. That is angular velocity. _Source: OpenStax University Physics Volume 1, Chapter 10, Fixed-Axis Rotation._

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More Physics topics

PhysicsRotation and Torque