Technician A says the ladder frame is typically used on large heavy-duty trucks. Technician B says the cross-members on the ladder frame improve the strength and rigidity of the frame. Who is correct?
A. Technician A only
B. Technician B only
C. Both Technicians A and B
D. Neither Technician A nor B
C. Both Technicians A and B
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What is the reason for manufacturers to install core plugs into engine blocks?
What will be an ideal response?
When compared to conventional port fuel injection, a GDI equipped engine has a ________ compression ratio
A) Lower B) Similar C) Higher D) None of these
When does the PCM perform a self test of the ETC system?
A) During cruise speed when the throttle is steady B) During acceleration C) During deceleration D) When the ignition switch is first rotated to the on position, before the engine starts
What are the benefits of using a water manifold?
A. Lower operating pressures resulting in less system failures. B. Simplified cooling system with less components. C. The ability to operate at higher pressures to increase heat transfer. D. Better coolant distribution resulting in more consistent cylinder temperatures.