Which part of an ice machine is the primary cause of ice machine service?
a. Water circuit b. Electrical system c. Refrigeration system
a. Water circuit
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Technician A says when measuring vertical ball joint wear, pry upward with a steel bar under the front tire and observe the dial indicator reading. Technician B says when measuring lateral ball joint wear, grasp the tire at the top and bottom and try to force the tire inward and outward and observe the dial indicator reading. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
How should a cylinder misfire be checked out on an electronically controlled, EUI-fueled diesel engine?
A. sequentially short out each injector by cracking each high pressure pipe B. remove the exhaust manifold and check for smoke C. mechanically hold the EUI rocker in its down position D. use an EST to perform an electronic cylinder cutout test
The operation of a thermostatic expansion valve can best be described as:
A) Bulb pressure = evaporator pressure + spring pressure. B) Spring pressure = bulb pressure + evaporator pressure. C) Bulb pressure + evaporator pressure = spring pressure. D) Evaporator pressure = evaporator pressure + bulb pressure.
The type and thickness of gypsum wallboard used in partitions is determined by _____
a. fire rating and soundproofing requirements b. labor contract provisions c. project cost considerations d. product availability