Applied Mechanics and Graphic Statics

211. The angle which an inclined surface makes with the horizontal when a body placed on it is on the point of moving down, is called

1. Angle of repose
2. Angle of friction
3. Angle of inclination
4. None of these

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212. The angles between two forces to make their resultant a minimum and a maximum respectively are

1. 0° and 90°
2. 180° and 90°
3. 90° and 180°
4. 180° and 0°

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213. The angular speed of a car taking a circular turn of radius 100 m at 36 km/hr will be

1. 0.1 rad/sec
2. 1 rad/sec
3. 10 rad/sec
4. 100 rad/sec

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214. The angular speed of a car while taking a circular turn of radius 100 m at 36 km/hour, is

1. 0.1 radian/sec
2. 1 radian/sec
3. 100 radian/sec
4. 1000 radian/sec

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215. The apparent weight of a man in a moving lift is less than his real weight when it is going down with

1. Uniform speed
2. An acceleration
3. Linear momentum
4. Retardation

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216. The bending moment in an arch is proportional to

1. Vertical ordinate of funicular polygon
2. Vertical ordinate of the arch
3. Intercept between the arch axis and the funicular polygon
4. None of these

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217. The C.G. of a hemisphere from its base measured along the vertical radius is at a distance of

1. 4R/3
2. 3R/8
3. 43558
4. 8R/3

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218. The C.G. of a right circular cone lies on its axis of symmetry at a height of

1. h/2
2. h/3
3. h/4
4. h/5

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219. The C.G. of a thin hollow cone of height 'h', above its base lies on the axis, at a height of

1. h/3
2. h/4
3. 2h/3
4. 3h/4

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220. The Centre of gravity of a 10 × 15 × 5 cm T-section from its bottom, is

1. 7.5 cm
2. 5.0 cm
3. 8.75 cm
4. 7.85 cm

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