Theory of Machine Which of the following mechanism is an approximate straight line motion mechanism? Grasshopper mechanism Robert's mechanism All of these Watt's mechanism Grasshopper mechanism Robert's mechanism All of these Watt's mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of higher pair is Belt, rope and chain drives Ball and roller bearings Gears, cams All of these Belt, rope and chain drives Ball and roller bearings Gears, cams All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Rectangular bar in a rectangular hole is the following type of pair Incompletely constrained motion Completely constrained motion Freely constrained motion Partially constrained motion Incompletely constrained motion Completely constrained motion Freely constrained motion Partially constrained motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat collar bearing, considering uniform wear, is (where r₁ and r₂ = External and internal radii of collar respectively) (2/3) μ W (r₁ + r₂) (1/2) μ W (r₁ + r₂) (2/3) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3) μ W (r₁ + r₂) (1/2) μ W (r₁ + r₂) (2/3) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2) μ W [(r₁³ - r₂³)/(r₁² - r₂²)] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In gears, interference takes place when Gears do not move smoothly in the absence of lubrication The tip of a tooth of a mating gear digs into the portion between base and root circles Pitch of the gears is not same Gear teeth are undercut Gears do not move smoothly in the absence of lubrication The tip of a tooth of a mating gear digs into the portion between base and root circles Pitch of the gears is not same Gear teeth are undercut ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A rigid body, under the action of external forces, can be replaced by two masses placed at a fixed distance apart. The two masses form an equivalent dynamical system, if All of these The sum of mass moment of inertia of the masses about their center of gravity is equal to the mass moment of inertia of the body The sum of the two masses is equal to the total mass of body The center of gravity of the two masses coincides with that of the body All of these The sum of mass moment of inertia of the masses about their center of gravity is equal to the mass moment of inertia of the body The sum of the two masses is equal to the total mass of body The center of gravity of the two masses coincides with that of the body ANSWER DOWNLOAD EXAMIANS APP
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