Theory of Machine The main disadvantage of the sliding pair is that it is Wears rapidly Difficult to manufacture Both (A) and (B) above Bulky Wears rapidly Difficult to manufacture Both (A) and (B) above Bulky 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 cos(α + φ) 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) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Rectangular bar in a rectangular hole is the following type of pair Incompletely constrained motion Completely constrained motion Partially constrained motion Freely constrained motion Incompletely constrained motion Completely constrained motion Partially constrained motion Freely constrained motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The length of a simple pendulum which gives the same frequency as the compound pendulum, is (kG + l₁²)/ l₁ (kG² + l₁²)/ l₁ kG + l₁ kG² + l₁ (kG + l₁²)/ l₁ (kG² + l₁²)/ l₁ kG + l₁ kG² + l₁ 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
Theory of Machine The D-slide valve is also known as Inside admission valve None of these Piston slide valve Outside admission valve Inside admission valve None of these Piston slide valve Outside admission valve ANSWER DOWNLOAD EXAMIANS APP