Mechanical Engineering Q&A

Question The connecting rod of an IC engine is 450 mm long and has a mass of 2 kg. The center of mass of the rod is 300 mm from the small end and its radius of gyration about an axis through this center is 175 mm.The mass of the piston is 2.5…

Question Describe the function of a governor in an engine, detailing how it regulates engine speed and prevents over speeding under varying load conditions.? Answer Step 1 Conceptual Introduction In an engine, a governor is a mechanical or electronic apparatus that manages and oversees the speed of the engine by adjusting the fuel…

Question Shock resisting steels should have _ _ a low wear resistance b low hardness c low tensile strength d toughness Answer Step 1 Solution : Shock resisting steels should have toughness. Option     D Explanation : Explanation: High toughness is essential for applications where the steel is subjected to sudden loads for applications where the steel is…

Question A thin 30-cm × 30-cm flat plate is pulled at 3 m/s horizontally through a 3.6-mm-thick oil layer sandwiched between two plates, one stationary and the other moving at a constant velocity of 0.3 m/s, as shown in Fig. P2–81. The dynamic viscosity of the oil is 0.027 Pa·s. Assuming the velocity in each oil…