Define: Dynamometer. Classify Dynamometer.
[3 marks]Compare single block brake and double block brake.
[4 marks]Explain experimental method of compound pendulum for measuring mass moment of inertia.
[7 marks]Write briefly gyroscopic effect in an aero plane.
[3 marks]Conclude the gyroscopic effect on ship during pitching.
[4 marks]The turbine rotor of a ship has a mass of 8 tonnes and a radius of gyration 0.6 m. It rotates at 1800 r.p.m. clockwise, when looking from the stern. Calculate the gyroscopic couple and its effect., if the ship travels at 100 km/hr and steer to the left in a curve of 75 m radius.
[7 marks]Develop stability of four-wheel vehicle moving in curved path with neat sketch.
[7 marks]Define: (1) Turning moment diagram (2) Maximum fluctuation of energy (3) Co efficient of fluctuation of energy
[3 marks]Explain Rope brake dynamometer with help of neat sketch.
[4 marks]The turning moment diagram for a multi-cylinder engine has been drawn to a scale of 1 mm to 500 N-m torque and 1 mm to 6° of crank displacement. The intercepted areas between output torque curve and mean resistance line taken in order from one end, in sq. mm are – 30, + 410, – 280, + 320, – 330, + 250, – 360, + 280, – 260 sq. mm, when the engine is running at 800 r.p.m. The engine has a stroke of 300 mm and the fluctuation of speed is not to exceed ± 2% of the mean speed. Solve a suitable diameter and cross-section of the flywheel rim for a limiting value of the safe centrifugal stress of MPa. The material density may be assumed as 7200 kg/m3. The width of the rim is to be 5 times the thickness.
[7 marks]Define: (1) Flywheel (2) Maximum fluctuation of speed (3) Co efficient of fluctuation of speed
[3 marks]Explain Belt Transmission dynamometer with help of neat sketch.1
[4 marks]Design of flywheel for punching press with help of neat sketch.
Distinguish between clutch and brake.
[3 marks]Explain the following terms relating to governors: 1. Stability, 2. Sensitiveness, 3. Isochronism, and 4. Hunting
[4 marks]Evaluate centrifugal clutch with neat sketch.
[7 marks]Compare single plate clutch and multiplate clutch.
[3 marks]Enlist spring-controlled governor. Explain any one.
[4 marks]Evaluate internal expanding shoe brake with neat sketch.
[7 marks]Define Applied and constraint forces.
[3 marks]Explain Planner rotation about fixed Centre.
[4 marks]Explain Euler’s equation of motion.
[7 marks]State the Newton’s Laws of Motion.
[3 marks]Explain D’Alembert’s Principle.
[4 marks]Explain dynamic analysis of four bar mechanism.
[7 marks]