BTEC National level 3 engineering
Describe, with the aid of load diagrams/graphs, the characteristics of typical loads for the
following four types of machinery driven by three-phase motors
i. Cranes and hoists
ii. Cement mills
iii. Machine tool applications
iv. Centrifugal pumps
Guidance: description should contain 500-600 words, and draw by hand the 4 torque/speed
curves that would be most suitable for each application