Theory of Machine Which of the following statement is correct for involute gears? The pressure angle is constant throughout the teeth engagement. The interference is inherently absent. The variation in centre distance of shafts increases radial force. A convex flank is always in contact with concave flank. The pressure angle is constant throughout the teeth engagement. The interference is inherently absent. The variation in centre distance of shafts increases radial force. A convex flank is always in contact with concave flank. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following mechanism is obtained from lower pair? Pantograph Gyroscope Valve and valve gears All of these Pantograph Gyroscope Valve and valve gears All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The primary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is 180° and 360° 0° and 180° 0° and 90° 90° and 180° 180° and 360° 0° and 180° 0° and 90° 90° and 180° 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 P with respect to the crank-pin C is given by ω² × CO ω² × NO ω² × QN ω² × CN ω² × CO ω² × NO ω² × QN ω² × CN ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the below are inversions of slider crank mechanism? 1. Oscillating cylinder engine mechanism 2. Toggle mechanism 3. Radial cylinder engine mechanism 4. Quick return mechanism 2, 3 and 4 1, 2 and 4 1, 3 and 4 1, 2 and 3 2, 3 and 4 1, 2 and 4 1, 3 and 4 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine An engine operates between temperatures of 900°Kandr2 and another engine between T2 and 400°K For both to do equal work, value of T2 will be 650°K 625°K 700°K 600°K 650°K 625°K 700°K 600°K ANSWER DOWNLOAD EXAMIANS APP