Using unsafe tools can not only cause injury, they can also _____
a. slow down completion of the job
b. ruin finishing work
c. cause environmental pollution
d. distract your fellow workers
b
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¿Cuántas secciones de tres pies (0,91 m) de aislamiento para tuberías se necesitan para aislar 420 pies (128,02 m) de tubería?
a. 100 b. 160 c. 140 d. 420
Flasher units are being discussed. Technician A says that only a DOT-approved flasher unit should be used for turn signals. Technician B says that a parallel (variable-load) flasher will function for turn signal usage, although it will not warn the driver if a bulb burns out. Who is right?
A) A only B) B only C) Both A and B D) Neither A nor B
The ice maker shown in the electrical diagram in Fig. 17–11 uses a hot-gas solenoid to warm the evaporator plate during the harvest cycle
Indicate whether the statement is true or false
Match the symptom with all possible causes. Note: The choices can be used more than once.
A. refrigerant overcharge B. refrigerant undercharge C. blocked/dirty filter D. non-condensable gas in system E. defective condenser fan motor F. defective evaporator fan motor G. improper system balancing H. dirty condenser coil I. J. K.