A vehicle is hoisted during routine service and the service technician discovers that the left front wheel does not turn when force is applied. Technician A says that the hoist (lift) pads could be against the left front tire. Technician B says that there could be a brake fluid restriction between the master cylinder and the brakes. Which technician is correct?
A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B
C
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A message consists of a string of bits (0s and 1s). Due to noise in the communications channel, each bit has probability 0.3 of being reversed (i.e., a 1 will be changed to a 0 or a 0 to a 1). To improve the accuracy of the communication, each bit is sent five times, so, for example, 0 is sent as 00000. The receiver assigns the value 0 if three or more of the bits are decoded as 0, and 1 if three or more of the bits are decoded as 1. Assume that errors occur independently.
a. A 0 is sent (as 00000). What is the probability that the receiver assigns the correct value of 0? b. Assume that each bit is sent n times, where n is an odd number, and that the receiver assigns the value decoded in the majority of the bits. What is the minimum value of n necessary so that the probability that the correct value is assigned is at least 0.90?
When inspecting a transmission pan, what should be done?
A) Turn the pan upside down and check for particles that are stuck B) Use a magnet and check for any steel particles C) Wash the pan and then look for anything stuck to the bottom D) None of the above
Mixing valves used to control the final temperature of radiant loops
A) by mixing the hot boiler water with cooler return water B) by bleeding off some of the hot water before it enters the loop C) by mixing the hot water from the boiler with the cold water from the chiller D) by mixing the hot boiler water with fresh makeup water
Technician A says that trailer ABS fault codes are stored in the controller ECU volatile memory. Technician B says that ABS fault codes can usually be displayed at the controller ECU. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B