Technician A states opposed-plunger inlet-metering pumps such as the Roosa DB2 are still widely used in many countries. Technician B states that these types of fuel pumps have design limitations which preclude them from use in current light duty diesel engines. Who is correct?
A. Technician A only.
B. Technician B only.
C. Both A and B.
D. Neither A nor B.
Answer: C
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Technician A says that many power windows and power door locks use a permanent-magnet motor with a built-in circuit breaker and is reversible. Technician B says that the control switches and relays direct the current through the motor(s). Who is right?
A) A only B) B only C) Both A and B D) Neither A nor B
What needs to be removed to replace a drive axle shaft from a front wheel drive vehicle?
A) Hub nut B) Tie rod end C) Lower control arm or ball joint D) All of the above
A high strength bolt is identified by ________
A) A UNC symbol B) The coarse threads C) Lines on the head D) Strength letter codes
In a maintenance inspection routine, when should fan belts be replaced?
A. Every time any engine maintenance is performed. B. When glazed, cracked or nicked. C. Only when fully worn out. D. When belts squeal or become noisy.