Draw a process flow drawing for the primary parts of a boiler system.
What will be an ideal response?
See Figure 12-1 Steam Generator
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If crankshaft endplay is higher than specified, which of the following should be used to correct the condition?
A. oversized thrust bearings B. undersized thrust bearings C. oversized main bearings D. undersized main bearings
When a precision straight edge is used to measure cylinder block wear, which of the following must be used to make a precise measurement?
A. depth gauge B. dial bore gauge C. dial indicator D. thickness gauges
The factors that must be considered when sizing the discharge line are:
A) Pressure drop and velocity. B) Pressure drop, temperature rise, velocity, and oil viscosity. C) Temperature rise and oil viscosity. D) Temperature rise and refrigerant viscosity.
The most accurate method of charging a small appliance that holds less than a lb of refrigerant is to add:
A) Liquid into the system until the pressure equals the saturation pressure and temperature. B) Vapor with the system not operating up to a specified static pressure at a specified ambient temperature. C) Vapor into the low side with the system operating while checking the compressor amp draw. D) Liquid into the system with the system off until the liquid stops going in.