Engineering Mechanics

91. Which of the following is a vector quantity

1. energy
2. mass
3. momentum
4. angle
5. speed.

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92. Which of the following is not a scalar quantity

1. time
2. mass
3. volume
4. density
5. acceleration.

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93. Which of the following is not a vector quantity

1. weight
2. velocity
3. acceleration
4. force
5. moment.

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

1. angstrom
2. light year
3. micron
4. millimetre
5. milestone.

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95. Which of the following is not the unit of energy

1. kg m
2. kcal
3. wattr
4. watt hours
5. kg m x (m/sec)2.

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

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

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

1. kg/cm
2. ata
3. atmosphere
4. mm of wcl
5. newton.

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

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

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99. 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
5. none of the above.

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100. 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
5. none of the above.

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