Regardless of how much a fire extinguisher weighs, how much clearance must there be between the bottom of the extinguisher and the floor?
A. at least 4½" of clearance
B. at least 4" of clearance
C. at least 3" of clearance
D. at least 3½" of clearance
Answer: B. at least 4" of clearance
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Technician A says it is a good practice to flash all controllers to the latest version. Technician B says the J2534-1 pass-thru device is a gateway between the vehicle's on-board computers and the shop's PC or laptop. Who is correct?
A. Technician A only B. Technician B only C. Both Technician A and B D. Neither Technician A nor B
In order to leak test a low-pressure chiller, the chiller pressure:
A) Must be reduced to a safe level, under 150 psig. B) Must be increased to a positive pressure less than 10 psig. C) Must be recovered and replaced with nitrogen. D) Should be increased by adding nitrogen.
The refrigeration evaporator is a component that absorbs heat from the conditioned space into the refrigeration system.
Answer the following statement true (T) or false (F)
When testing a newly reconditioned engine on a chassis dynamometer, what should be done when the maximum coolant temperature is achieved?
A. immediately switch off engine B. back-off on power and monitor gauge C. ignore it until the test report is complete D. immediately shift into neutral