Why is nickel chrome alloy used for electric furnace heating elements?
What will be an ideal response?
Nickel chrome alloy has a high electrical resistance and also resists oxidation.
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Name the long-lived perennial vegetable that appears the earliest in spring
A) Carrots B) Asparagus C) Celery D) Peas
Pecan trees suffer from numerous diseases and insect infestations
Indicate whether the statement is true or false
Pulse width modulation is typically used to control rotor field current.
Answer the following statement true (T) or false (F)
The pump in the Rankine cycle raises the pressure of 12 kg/s of water from 20 kPa to 8 MPa. The boiler raises the temperature to 700°C, and the steam exits the turbine at a quality of 0.9, as sketched in the figure. Assume the pump and turbine are adiabatic.
The minimum power required by the pump is nearest:
A) 9.9 hp
B) 10.7 hp
C) 12.2 hp
D) 13.8 hp