Theory of Machine A disturbing mass m₁ attached to the rotating shaft may be balanced by a single mass m₂ attached in the same plane of rotation as that of m₁, such that (where r₁ and r₂ are the radii of rotation of m₁ and m₂ respectively) m₁ r₂ = m₂ r₁ None of these m₁ r₁ = m₂ r₂ m₁ m₂ = r₁ r₂ m₁ r₂ = m₂ r₁ None of these m₁ r₁ = m₂ r₂ m₁ m₂ = r₁ r₂ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If the pressure angle is __________, a reciprocating follower will jam in its bearings. Small Large Too small Too large Small Large Too small Too large ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of a particle moving with simple harmonic motion, at any instant is given by (where ω = Displacement of the particle from mean position) ω √(r² - x²) ω² √(x² - r²) ω² √(r² - x²) ω √(x² - r²) ω √(r² - x²) ω² √(x² - r²) ω² √(r² - x²) ω √(x² - r²) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is used to control the speed variations of the engine caused by the fluctuations of the engine turning moment? Flywheel D-slide valve Meyer's expansion valve Governor Flywheel D-slide valve Meyer's expansion valve Governor 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 vibration isolation system, the transmissibility will be equal to unity, for all values of damping factor, if ω/ωn is Less than 2 Equal to 1 Equal to 2 Greater than 2 Less than 2 Equal to 1 Equal to 2 Greater than 2 ANSWER DOWNLOAD EXAMIANS APP
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