Technician A says that a good engine brake can replace the air brakes on most trucks today. Technician B says that a disadvantage of the internal engine brake is that they consume a lot of fuel during braking cycles. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: D
You might also like to view...
As with the Cartesian coordinate system, ____________________ numbers are needed to locate each point in the polar coordinate system.
Fill in the blank(s) with the appropriate word(s).
Every type of animal has different habitat requirements
Indicate whether the statement is true or false
During braking on a hybrid electric vehicle equipped with a regenerative braking system, what occurs when the driver depresses the brake pedal?
A) The motors become generators. B) The friction brakes are only used as a backup and not used during normal braking. C) The driver needs to apply a braking lever instead of depressing the brake pedal to energize the regenerative braking system. D) The batteries are charged to 100 percent SOC.
Assume a single-zone constant-volume system with an economizer is installed. In the occupied mode, when
the thermostat calls for cooling, which of the following occurs? a. The supply air fan stops. b. The outdoor dampers move to fully closed. c. The economizer acts as the first stage of cooling, if conditions permit. d. The relief fan cycles on.