Theory of Machine The periodic time of one oscillation for a simple pendulum is 2π. √(g/l) (1/2π). √(g/l) 2π. √(l/g) (1/2π). √(l/g) 2π. √(g/l) (1/2π). √(g/l) 2π. √(l/g) (1/2π). √(l/g) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The advantage of the piston valve over the slide valve is that in the former case Both wear and power absorbed are low The pressure developed being high provides tight sealing Wear is less Power absorbed is less Both wear and power absorbed are low The pressure developed being high provides tight sealing Wear is less Power absorbed is less ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Coriolis component of acceleration acts Parallel to the sliding surface At 45° to the sliding surface Perpendicular to the sliding surface Along the sliding surface Parallel to the sliding surface At 45° to the sliding surface Perpendicular to the sliding surface Along the sliding surface ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO, the acceleration of the piston is _________ when the crank OC and connecting rod PC are at right angles to each other. Any +ve value Zero Any -ve value Infinity Any +ve value Zero Any -ve value Infinity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a Hartnell governor, the lift of the sleeve is given by (where r₁ and r₂ = Max. and min. radii of rotation, x = Length of ball arm of the lever, and y = Length of sleeve arm of the lever) (r₁ - r₂) (x/y) (r₁ - r₂) (y/x) (r₁ + r₂) (y/x) (r₁ + r₂) (x/y) (r₁ - r₂) (x/y) (r₁ - r₂) (y/x) (r₁ + r₂) (y/x) (r₁ + r₂) (x/y) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If the opposite links of a four bar linkage are equal, the links will always form a Triangle Parallelogram Pentagon Rectangle Triangle Parallelogram Pentagon Rectangle ANSWER DOWNLOAD EXAMIANS APP
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