Theory of Machine The pressure angle of a cam is the angle between the direction of the follower motion and a normal to the Prime circle Base circle Pitch curve Pitch circle Prime circle Base circle Pitch curve Pitch circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The working depth of a gear is the radial distance from the Pitch circle to the top of a tooth Top of a tooth to the bottom of a tooth Addendum circle to the clearance circle Pitch circle to the bottom of a tooth Pitch circle to the top of a tooth Top of a tooth to the bottom of a tooth Addendum circle to the clearance circle Pitch circle to the bottom of a tooth 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 The secondary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given by (where m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, θ = Angle of inclination of crank with the line of stroke, and n = Ratio of the length of connecting rod to radius of crank) m.ω².r (sin 2θ/n) m.ω².r (cos 2θ/n) m.ω².r cosθ m.ω².r sinθ m.ω².r (sin 2θ/n) m.ω².r (cos 2θ/n) m.ω².r cosθ m.ω².r sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat collar bearing, considering uniform pressure, is (where r₁ and r₂ = External and internal radii of collar respectively) (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)] (2/3). μ W (r₁ + r₂) (1/2). μ W (r₁ + r₂) (2/3). μ W [(r₁³ - r₂³)/(r₁² - r₂²)] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of lower pair is Automobile steering gear All of these Straight line motion mechanisms Shaft revolving in a bearing Automobile steering gear All of these Straight line motion mechanisms Shaft revolving in a bearing ANSWER DOWNLOAD EXAMIANS APP
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