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Engineering Mechanics

Engineering Mechanics
The range of a projectile is maximum, when the angle of projection is

45°
90°
60°
30°

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Engineering Mechanics
When a body of mass 'm' attains a velocity 'v' from rest in time 't', then the kinetic energy of translation is

0.5 mgv2
0.5 mv2
mgv2
mv2

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Engineering Mechanics
The mechanical advantage of a lifting machine is the ratio of

Load lifted to the effort applied
Distance moved by effort to the distance moved by load
Output to the input
All of these

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Engineering Mechanics
The resultant of two equal forces ‘P’ making an angle ‘θ’, is given by

2P sinθ/2
2P cotθ/2
2P tanθ/2
2P cosθ/2

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Engineering Mechanics
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 centre of circular plate

0.5 cm
1.0 cm
1.5 cm
2.5 cm

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Engineering Mechanics
A pendulum which executes one beat per second is known as

Simple pendulum
Second's pendulum
Torsional pendulum
Compound pendulum

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MORE MCQ ON Engineering Mechanics

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