Vibration analysis in mechanical maintenance is crucial for detecting faults in rotating machinery. Which of the following faults can’t be effectively detected using vibration analysis?

Considering a Three-phase Y-connected load with an impedance of Z = 15 + j20 Ω per phase, and a line voltage of 400V (rms) at 50 Hz, what would be the total real power consumed?

In a high-rise building’s wastewater plumbing system, air pressure fluctuations within the pipes can cause water seals in traps to fail, allowing sewer gases to enter living spaces. What plumbing component is specifically designed to address this issue?

In resistance spot welding, what is the main purpose of applying mechanical pressure before, during, and after the current is applied?

What happens to the mechanical properties of an aluminum alloy during solution heat treatment followed by quenching?

During a routine check, a maintenance engineer finds corrosion on the steel structure of a cooling tower in a facility. The corroded section is not subjected to any water or chemical spillage. What would be the most probable reason for this corrosion?

In timber frame construction, what is the critical role of a king post truss system?

Consider an auxiliary cooling system where the cooling tower efficiency is crucial. Which parameter will be MOST useful in determining the effectiveness of heat rejection in a cooling tower system?

Consider a system where the heat transfer rate from a hot object to a cooler surrounding environment is observed to be reducing gradually, although the temperature difference remains constant. What could be the most probable reason for this observed behavior?