Theory of Machine In railway axle boxes, the bearing used is Cylindrical roller bearing Deep groove ball bearing Double row spherical roller bearing Double row self aligning ball bearing Cylindrical roller bearing Deep groove ball bearing Double row spherical roller bearing Double row self aligning ball bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The centre of gravity of a coupler link in a four bar mechanism will experience Only linear acceleration No acceleration Both linear and angular acceleration Only angular acceleration Only linear acceleration No acceleration Both linear and angular acceleration Only angular acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity ω₁ rad/s in the clockwise direction and the link OB turns with angular velocity ω₂ rad/s in the anticlockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O) (ω₁ - ω₂) r (ω₁ - ω₂) 2r ω₁.ω₂.r (ω₁ + ω₂) r (ω₁ - ω₂) r (ω₁ - ω₂) 2r ω₁.ω₂.r (ω₁ + ω₂) r ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free longitudinal vibrations is equal to (where m = Mass of the body, s = Stiffness of the body, and δ = Static deflection of the body) 1/2π × √(g/δ) 0.4985/√δ Any one of the listed here 1/2π × √(s/m) 1/2π × √(g/δ) 0.4985/√δ Any one of the listed here 1/2π × √(s/m) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is an example of a higher pair? Belt and rope drive All of the listed here Toothed gearing Ball and roller bearing Belt and rope drive All of the listed here Toothed gearing Ball and roller bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Angular acceleration of a link can be determined by dividing the Centripetal component of acceleration with length of link Resultant acceleration with length of link Tangential component of acceleration with length of link All of these Centripetal component of acceleration with length of link Resultant acceleration with length of link Tangential component of acceleration with length of link All of these ANSWER DOWNLOAD EXAMIANS APP
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