Theory of Machine In a gear having involute teeth, the normal to the involute is a tangent to the Dedendum circle Pitch circle Addendum circle Base circle Dedendum circle Pitch circle Addendum circle Base circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the nature of contact between the elements of a pair is such that one element can turn about the other by screw threads, the pair is known as a Sliding pair Turning pair Screw pair Spherical pair Sliding pair Turning pair Screw pair Spherical pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity ω₁ rad/s in the clockwise direction and the link OB turns with angular velocity ω₂ rad/s in the clockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O) (ω₁ - ω₂)r ω₁.ω₂.r (ω₁ - ω₂)2r (ω₁ + ω₂)r (ω₁ - ω₂)r ω₁.ω₂.r (ω₁ - ω₂)2r (ω₁ + ω₂)r ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free transverse vibrations due to a point load acting over a simply supported shaft is equal to (where δ = Static deflection of a simply supported shaft due to the point load) 0.4985/√δ 0.5615/√δ 0.571/√δ 0.6253/√δ 0.4985/√δ 0.5615/√δ 0.571/√δ 0.6253/√δ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a truncated conical pivot bearing, considering uniform pressure, is (1/2). μ W cosecα (r₁ + r₂) (2/3). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W cosecα (r₁ + r₂) (1/2). μ W cosecα (r₁ + r₂) (2/3). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3). μ W cosecα (r₁ + r₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The direction of Coriolis component of acceleration is the direction Of relative velocity vector for the two coincident points rotated by 90° in the direction of the angular velocity of the rotation of the link Along tangential acceleration Along the centripetal acceleration Along perpendicular to angular velocity Of relative velocity vector for the two coincident points rotated by 90° in the direction of the angular velocity of the rotation of the link Along tangential acceleration Along the centripetal acceleration Along perpendicular to angular velocity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS