Strength of Materials

301. Which of the following is not a vector quantity?

1. Weight
2. Velocity
3. Acceleration
4. Force

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302. Which of the following is not the unit of distance?

1. Angstrom
2. Light year
3. Micron
4. Milestone

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303. Which of the following is not the unit of energy?

1. kg m
2. kcal
3. watt
4. watt hours

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304. Which of the following is not the unit of power?

1. kW (kilowatt)
2. hp (horse power)
3. kcal/sec
4. kcal/kg sec

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305. Which of the following is not the unit of pressure?

1. kg/cm
2. atm
3. kg/cm²
4. Newton

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306. Which of the following is not the unit of work, energy and heat?

1. kcal
2. kg m
3. kWhr
4. hp

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307. Which of the following is the example of lever of first order?

1. Arm of man
2. Pair of scissors
3. Pair of clinical tongs
4. All of the above

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308. Which of the following is the locus of a point that moves in such a manner that its distance from a fixed point is equal to its distance from a fixed line multiplied by a constant greater than one

1. Ellipse
2. Hyperbola
3. Parabola
4. Circle

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309. Which one of the following statements is not correct?

1. The tangent of the angle of friction is equal to coefficient of friction
2. The angle of repose is equal to angle of friction
3. The tangent of the angle of repose is equal to coefficient of friction
4. The sine of the angle of repose is equal to coefficient to friction

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310. While testing a cast iron beam (2.5 cm × 2.5 cm) in section and a metre long simply supported at the ends failed when a 100 kg weight is applied at the centre. The maximum stress induced is:

1. 960 kg/cm²
2. 980 kg/cm²
3. 1000 kg/cm²
4. 1200 kg/cm²

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