Theory of Machine The number of centers in a crank driven slider crank mechanism is 2 4 6 2 4 6 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The amplitude of vibration is always __________ the radius of the circle. Less than Greater than Equal to None of these Less than Greater than Equal to None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Balancing of rotating and reciprocating parts of an engine is necessary when it runs at Slow speed Any one of these Highs peed Moderate speed Slow speed Any one of these Highs peed Moderate speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a screw jack, the effort required to lift the load W is given by (where α = Helix angle, and φ = Angle of friction) P = W tan(α + φ) P = W tan(φ - α) P = W tan(α - φ) P = W cos(α + φ) P = W tan(α + φ) P = W tan(φ - α) P = W tan(α - φ) P = W cos(α + φ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a Hartnell governor, the stiffness of the spring is given by (where S1 and S2 = Spring forces exerted on the sleeve at max. and min. radii of rotation, and h = Compression of the spring) (S₁ + S₂) / h (S₁ - S₂) / h (S₁ - S₂) / 2h (S₁ + S₂) / 2h (S₁ + S₂) / h (S₁ - S₂) / h (S₁ - S₂) / 2h (S₁ + S₂) / 2h ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In involute gears, the pressure angle is Dependent on the size of teeth Always variable Dependent on the size of gears Always constant Dependent on the size of teeth Always variable Dependent on the size of gears Always constant ANSWER DOWNLOAD EXAMIANS APP
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