Explain AFUE
What will be an ideal response?
Annual fuel utilization efficiency - efficiency of the furnace for an entire heating season
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How would inclusion of the temperature change affect the value of ? as found in Part (a)?
(a) Water flows through the nozzle of a garden hose. Find an expression for ? in terms of line pressure 
ambient
pressure 
inside hose diameter 
and nozzle outlet diameter 
Assume steady flow, and isothermal, adiabatic operation. For liquid water modeled as an incompressible fluid,
for constant temperature.
(b) In fact, the flow cannot be truly isothermal: we expect 
owing to fluid friction. Hence, 
where C is the specific heat of water.
Brassinolide is a crude lipid extract from rape pollen
Indicate whether the statement is true or false
An accumulator such as that used on hydraulic brake boosters ________
A) Provides a reserve in the event of a failure B) Reduces brake pedal noise C) Works against engine vacuum D) Provides higher force being fed back to the driver's foot
The motor that has its series and parallel field windings connected in the same direction are called ____________________ compound motors.
Fill in the blank(s) with the appropriate word(s).