CEM Exam Dumps : Certified Energy Manager (CEM)

A three phase, 380-volt system, has the following voltage measurements:

Va = 375 volts

Vb = 380 volts

Vc = 391 volts

Calculate the percent voltage imbalance.

Which of the following steam turbines will likely not provide steam output at a useable temperature for industrial processes?

How much energy (kJ) is required to heat 2 kg of water from 25°C to 2 kg of water at 100°C? (The specific heat of water (C) is 4.2 kJ/kg-°C. Assume no system losses.)