Theory of Machine The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness of the shaft, and I = Mass moment of inertia of the disc attached at the end of a shaft) 2π qI 1/2π 2π. √(q/I) (1/2π). √(q/I) 2π qI 1/2π 2π. √(q/I) (1/2π). √(q/I) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In its simplest form, a cam mechanism consists of following number of links 4 3 1 2 4 3 1 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The centre of gravity of a coupler link in a four bar mechanism will experience No acceleration Only angular acceleration Both linear and angular acceleration Only linear acceleration No acceleration Only angular acceleration Both linear and angular acceleration Only linear acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The D-slide valve is also known as None of these Inside admission valve Outside admission valve Piston slide valve None of these Inside admission valve Outside admission valve Piston slide valve ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is a turning pair? Lead screw of a lathe with nut Ball and a socket joint Piston and cylinder of a reciprocating steam engine Shaft with collars at both ends fitted into a circular hole Lead screw of a lathe with nut Ball and a socket joint Piston and cylinder of a reciprocating steam engine Shaft with collars at both ends fitted into a circular hole 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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