Theory of Machine Cylindrical cams can be classified as Tangent Reciprocating None of these Circular Tangent Reciprocating None of these Circular ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Torsional vibrations are said to occur when the particles of a body moves Perpendicular to its axis In a circle about its axis Parallel to its axis None of these Perpendicular to its axis In a circle about its axis Parallel to its axis None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the nature of contact between the elements of a pair is such that it can only slide relative to the other, the pair is known as a Screw pair Turning pair Spherical pair Sliding pair Screw pair Turning pair Spherical pair Sliding pair 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 = 90° + φ α = 45° - φ/2 α = 45° + φ/2 α = 90° - φ α = 90° + φ α = 45° - φ/2 α = 45° + φ/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A watt's governor can work satisfactorily at speeds from 200 to 300 r.p.m. 80 to 100 r.p.m. 100 to 200 r.p.m. 60 to 80 r.p.m. 200 to 300 r.p.m. 80 to 100 r.p.m. 100 to 200 r.p.m. 60 to 80 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of sliding of meshing gear teeth is(Where ω₁ and ω₂ are angular velocities of meshing gears and ‘y’ is distance between point of contact and the pitch point) (ω₁ + ω₂) y (ω₁ × ω₂) y (ω₁ + ω₂)/y (ω₁/ω₂) y (ω₁ + ω₂) y (ω₁ × ω₂) y (ω₁ + ω₂)/y (ω₁/ω₂) y ANSWER DOWNLOAD EXAMIANS APP
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