Technician A says that most generic ESTs are capable of displaying active and historic codes. Technician B says that a password is required before active codes can be erased from an ECU or ECM. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: A
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Nutrients needed by plants in large amounts are known as ______________________
Fill in the blank(s) with correct word
For the frame in Figure P5.47, draw the shear and moment curves for all members. Next sketch the deflected shape of the frame. Show all forces acting on a free-body diagram of joint C.
Liquid refrigerant should always be recovered first from chillers:
A) To ensure that all the oil is removed from the compressor. B) To keep from freezing the water in the chiller tubes. C) To prevent the removal of refrigerant oil with the refrigerant. D) To ensure the best mixing of refrigerant and water during recovery.
Too much penetration when making a root pass can result in _____
a. increased slag flow b. excessive root reinforcement c. arc strikes d. insufficient undercut