Theory of Machine In gears, interference takes place when Pitch of the gears is not same Gears do not move smoothly in the absence of lubrication Gear teeth are undercut 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 Gears do not move smoothly in the absence of lubrication Gear teeth are undercut The tip of a tooth of a mating gear digs into the portion between base and root circles ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of successfully constrained motion is a All of these Piston reciprocating inside an engine cylinder Motion of an I.C. engine valve Motion of the shaft between a footstep bearing All of these Piston reciprocating inside an engine cylinder Motion of an I.C. engine valve Motion of the shaft between a footstep bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following disciplines provides study of relative motion between the parts of a machine? Theory of machines Mechanisms Applied mechanics Kinematics Theory of machines Mechanisms Applied mechanics Kinematics ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In vibration isolation system, if ω/ωn > 1, then the phase difference between the transmitted force and the disturbing force is 0° 180° 90° 270° 0° 180° 90° 270° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Two pulleys of radii r₁ and r₂ and at distance x apart are connected by means of an open belt drive. The length of the belt is π (r₁ + r₂) + (r₁ + r₂)²/x + 2x π (r₁ - r₂) + (r₁ + r₂)²/x + 2x π (r₁ - r₂) + (r₁ - r₂)²/x + 2x π (r₁ + r₂) + (r₁ - r₂)²/x + 2x π (r₁ + r₂) + (r₁ + r₂)²/x + 2x π (r₁ - r₂) + (r₁ + r₂)²/x + 2x π (r₁ - r₂) + (r₁ - r₂)²/x + 2x π (r₁ + r₂) + (r₁ - r₂)²/x + 2x ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction) α = 90° - φ α = 45° - φ/2 α = 90° + φ α = 45° + φ/2 α = 90° - φ α = 45° - φ/2 α = 90° + φ α = 45° + φ/2 ANSWER DOWNLOAD EXAMIANS APP
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