Theory of Machine The minimum force required to slide a body of weight W on a rough horizontal plane is W tanθ W cosecθ W cosθ W sinθ W tanθ W cosecθ W cosθ W sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a radial cam, the follower moves Along the cam axis In a direction parallel to the cam axis In any direction irrespective of the cam axis In a direction perpendicular to the cam axis Along the cam axis In a direction parallel to the cam axis In any direction irrespective of the cam axis In a direction perpendicular to the cam axis ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is an example of sliding pair? Piston and cylinder of a reciprocating steam engine Ball and a socket joint Shaft with collars at both ends fitted into a circular hole Lead screw of a lathe with nut Piston and cylinder of a reciprocating steam engine Ball and a socket joint Shaft with collars at both ends fitted into a circular hole Lead screw of a lathe with nut ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a flat collar pivot bearing, the moment due to friction is proportional to (r₁² - r₂²)/(r₁ + r₂) (r₁² - r₂²)/(r₁ - r₂) (r₁³ - r₂³)/(r₁² - r₂²) (r₁³ - r₂³)/(r₁ - r₂) (r₁² - r₂²)/(r₁ + r₂) (r₁² - r₂²)/(r₁ - r₂) (r₁³ - r₂³)/(r₁² - r₂²) (r₁³ - r₂³)/(r₁ - r₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The minimum length of the coupler will be 45 mm 95 mm Slightly more than 45 mm Slightly less than 45 mm 45 mm 95 mm Slightly more than 45 mm Slightly less than 45 mm 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 = 45° + φ/2 α = 90° - φ α = 90° + φ α = 45° - φ/2 α = 45° + φ/2 α = 90° - φ ANSWER DOWNLOAD EXAMIANS APP
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