- A. 0.5 cm
- B. 1.0 cm
- C. 1.5 cm
- D. 2.5 cm
Strength of Materials
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From a circular plate of diameter 6 cm is cut out a circle whose diameter is a radius of the plate. Find the e.g. of the remainder from the center of circular plate_____.
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The weight of a body is due to_____.
- A. centripetal force of earth
- B. gravitational pull exerted by the earth
- C. force of attraction experienced by par-ticles
- D. gravitational force of attraction towards the centre of the earth.
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A cable with a uniformly distributed load per horizontal metre run will take the following shape_____.
- A. Straight line
- B. Parabola
- C. Hyperbola
- D. Elliptical
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A semi-circular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi-cricular disc and horizontal surface is i. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will_____.
- A. remain horizontal
- B. slant up towards direction of pull
- C. slant down towards direction of pull
- D. unpredictable
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The product of either force of couple with the arm of the couple is called_____.
- A. resultant couple
- B. moment of the forces
- C. resulting couple
- D. moment of the couple
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Forces are called concurrent when their lines of action meet in_____.
- A. one point
- B. two points
- C. plane
- D. perpendicular planes
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A pair of smith’s tongs is an example of the lever of_____.
- A. zeioth order
- B. first order
- C. second order
- D. third order
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A. density of metal can’t be determined B. metal is twice as dense as water C. metal will float in water D. metal is twice as dense as unknown fluid
- A. kg/cm
- B. atmosphere
- C. mm of wcl
- D. newton.
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A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal_____.
- A. density of metal can’t be determined
- B. metal is twice as dense as water
- C. metal will float in water
- D. metal is twice as dense as unknown fluid
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Which of the following is not the unit of power ?
- A. kW (kilowatt)
- B. hp (horse power)
- C. kg m/sec
- D. kcal/kg sec.
- 1
- 2