A technician notes that an operating air conditioning system has ice formed on the suction line at the condensing unit. The technician can reasonably assume that:
A) The evaporator coil is also frozen over. B) The refrigerant charge is high.
C) The condenser coil is also frozen over. D) The refrigerant charge is low.
A
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Define the elements of a Class I, Class II, and Class III two-lane highway.
What will be an ideal response?
Electricity that is in motion with a current flow is referred to as:
A) Static electricity. B) Hyperbolic electricity. C) Dynamic electricity. D) Potential energy.
During a performance test of an air conditioning system the suction line from the evaporator outlet to the compressor inlet should be:
A. Cool to the touch B. Cold to the touch C. Warm to the touch D. Hot to the touch
The subsequent problems deal with the circuit below where B1 and B2 are NC buttons used to define the digital signal A:
If button B1 is held down and button B2 is left up, digital signal A will be
A. 1 B. uncertain C. 0