Theory of Machine In a reciprocating steam engine, when the crank has turned from inner dead centre through an angle θ, the angular velocity of the connecting rod is given by ω sinθ/(n² - cos²θ)1/2 ω sinθ/(n² - sin²θ)1/2 ω cosθ/(n² - cos²θ)1/2 ω cosθ/(n² - sin²θ)1/2 ω sinθ/(n² - cos²θ)1/2 ω sinθ/(n² - sin²θ)1/2 ω cosθ/(n² - cos²θ)1/2 ω cosθ/(n² - sin²θ)1/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A machine mounted on a single coil spring has a period of free vibration of tp . If the spring is cut into four equal parts and placed in parallel and the machine is mounted on them, then the period of free vibration of the new system will become tp /4 tp /16 16 tp 4 tp tp /4 tp /16 16 tp 4 tp ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The displacement of the reciprocating roller follower, when it has contact with the straight flanks of the tangent cam, is given by (where r₁ = Minimum radius of the cam, r₂ = Radius of the roller follower, and θ = Angle turned by the cam from the beginning of the follower displacement) (r₁ + r₂) (1 + cosθ) (r₁ - r₂) [(1 - cosθ)/cosθ] (r₁ - r₂) (1 - cosθ) (r₁ + r₂) [(1 - cosθ)/cosθ] (r₁ + r₂) (1 + cosθ) (r₁ - r₂) [(1 - cosθ)/cosθ] (r₁ - r₂) (1 - cosθ) (r₁ + r₂) [(1 - cosθ)/cosθ] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating steam engine, which of the following forms a kinematic link? Piston rod and connecting rod Cylinder and piston Crankshaft and flywheel Flywheel and engine frame Piston rod and connecting rod Cylinder and piston Crankshaft and flywheel Flywheel and engine frame ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a rigid body is suspended vertically and it oscillates with a small amplitude under the action of the force of gravity, the body is known as Second's pendulum Simple pendulum Compound pendulum Torsional pendulum Second's pendulum Simple pendulum Compound pendulum Torsional pendulum ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In railway axle boxes, the bearing used is Double row spherical roller bearing Cylindrical roller bearing Double row self aligning ball bearing Deep groove ball bearing Double row spherical roller bearing Cylindrical roller bearing Double row self aligning ball bearing Deep groove ball bearing ANSWER DOWNLOAD EXAMIANS APP
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