Engineering Mechanics The centre of gravity of a right circular solid cone is at a distance of _________ from its base, measured along the vertical axis.(where h = Height of a right circular solid cone.) h/3 h/6 h/4 h/2 h/3 h/6 h/4 h/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Which of the following statement is incorrect? A force acting in the opposite direction to the motion of the body is called force of friction A machine whose efficiency is 100% is known as an ideal machine The ratio of the limiting friction to the normal reaction is called coefficient of friction The velocity ratio of a machine is the ratio of load lifted to the effort applied A force acting in the opposite direction to the motion of the body is called force of friction A machine whose efficiency is 100% is known as an ideal machine The ratio of the limiting friction to the normal reaction is called coefficient of friction The velocity ratio of a machine is the ratio of load lifted to the effort applied ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum frictional force which comes into play when a body just begins to slide over another surface is called Kinematic friction Sliding friction Rolling friction Limiting friction Kinematic friction Sliding friction Rolling friction Limiting friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of gravity a T-section 100 mm × 150 mm × 50 mm from its bottom is 87.5 mm 75 mm 125 mm 50 mm 87.5 mm 75 mm 125 mm 50 mm ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is 60° 90° 120° 30° 60° 90° 120° 30° ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resolved part of the resultant of two forces inclined at an angle 'θ' in a given direction is equal to The sum of the forces multiplied by the sine of θ The difference of the forces multiplied by the cosine of θ The sum of the resolved parts of the forces in the given direction The algebraic sum of the resolved parts of the forces in the given direction The sum of the forces multiplied by the sine of θ The difference of the forces multiplied by the cosine of θ The sum of the resolved parts of the forces in the given direction The algebraic sum of the resolved parts of the forces in the given direction ANSWER DOWNLOAD EXAMIANS APP
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