Describe what you would do if the burner flame went out.
What will be an ideal response?
Fuel to the burner would need to be shut off immediately. If it can not be the furnace will need to be shut down and steam purge started.
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The composition of an insulating material is such that its solid constituents trap air (or gas) in extremely small volumes. Why does the entrapment of large volumes of air (or gas) reduce the insulating property of the material?
What will be an ideal response?
Almost all crops are susceptible to diseases caused by fungi, viruses, or bacteria
Indicate whether the statement is true or false
What is the problem associated with discharging a gauge manifold through its middle leg?
A) There is a need to replace the hose. B) There is the use of extra power to the unit. C) There is a loss of refrigerant. D) There is wearing on the valves.
Let 
a phase-shifted triangle in the range ?1/2 < F < 1/2 that repeats that pattern periodically, with fundamental period one. Also let
(a) Find the magnitude and angle (in radians) of X(0.3) .
(b) Find the magnitude and angle (in radians) of X(2.2) .
(c) What is the fundamental period of Y(F) ?
(d) Find the magnitude and angle (in radians) of Y(0.55) .