Applied mechanics
Previous year question paper with solutions for Applied mechanics May-2017
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Question paper 1
SECTION-A
Q1. Fill in the blanks:
a. Mass is a ............... quantity.
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Read moreb. The force which one body exerts on the second body is called …………. force
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Read morec. The angle of friction is always …………… then 900 .
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Read mored. The …………… effect of the force is called moment.
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Read moree. The efficiency of a screw jack may be increased by ……………. Its pitch.
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Read moref. C.G. is a term used for the bodies having ………….. only.
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Read moreg. Axis passing through the centroid of the plane lamina is called ……………… axis.
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Read moreh. Sliding friction is always ……………… then Rolling friction.
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Read morei. In an ideal machine, velocity ratio = ………….
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Read morej. Coefficient of friction is = ……………/…………….
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Read morek. The unit of moment in SI system is …………
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Read morel. A couple cannot be replaced by a ………….. force
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Read morem. A machine is said to be irreversible if its efficiency is …………… then 50%.
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Read moren. One kilogram force is equal to ……….. N
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Read moreo. Efficiency ………………. as the load decreases.
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Read moreSECTION-B
Q2. Attempt any five questions.
a. Differentiate between center of gravity and centroid .
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Read moreb. Explain the characteristics of a force
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Read morec. Define triangle law of forces and lami`s theorem.
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Read mored. Where the C.G. does lies of sphere, circular cone, and right circular cylinder?
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Read moree. What do mean by moment center and moment arm and moment of a couple?
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Read moref. Define friction. Give merits and demerits of friction.
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Read moreg. Establish a relation between efficiency, mechanical advantage and velocity ratio of a machine.
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Read moreQ3. Attempt any three questions.
a. Find the magnitude and direction of the resultant of the following force system.
1. 20 N due north.
2. 12 N due north-west.
3. 10 N due east.
4. 8 N due 350 west of south
5. 16 N due 650 North West
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b. An electric light fixture weighing 25N hangs from a point c, by two strings AC and BC. The string Ac is inclined at 600 to horizontal and BC at 450 to the vertical. Determine the forces in string AC and BC.
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Read morec. What do mean by force? Explain Force system
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Read mored. Derive an equation for equilibrium of a body lying on a rough inclined plane when the motion is in downward direction and force is acting horizontally.
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