Theory of Machine The periodic time is given by (where ω = Angular velocity of the particle in rad/s) ω × 2π 2π/ω ω/2π π/ω ω × 2π 2π/ω ω/2π π/ω ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine One end of a helical spring is fixed while the other end carries the load W which moves with simple harmonic motion. The frequency of motion is given by (where δ = Deflection of the spring) 1/2π. √(g/δ) 1/2π. √(δ/g) 2π. √(δ/g) 2π. √(g/δ) 1/2π. √(g/δ) 1/2π. √(δ/g) 2π. √(δ/g) 2π. √(g/δ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For fluctuating loads, well suited bearing is Thrust bearing Roller bearing Needle roller bearing Ball bearing Thrust bearing Roller bearing Needle roller bearing Ball bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of spherical pair is Ball and socket joint Lead screw of a lathe Ball bearing and roller bearing Bolt and nut Ball and socket joint Lead screw of a lathe Ball bearing and roller bearing Bolt and nut ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The factional torque for square thread at the mean radius r while raising load W is given by T = W.r tanα T = W.r tanφ T = W.r tan(φ + α) T = W.r tan(φ - α) T = W.r tanα T = W.r tanφ T = W.r tan(φ + α) T = W.r tan(φ - α) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The power transmitted by a belt is maximum when the maximum tension in the belt is _________ of centrifugal tension. Two-third Double Three times One-third Two-third Double Three times One-third ANSWER DOWNLOAD EXAMIANS APP
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