Technician A says that in a self-energizing brake, the rotation of the drum decreases the braking force of the lining against the drum. Technician B says that the force of the brake drum is added to the force supplied by the wheel cylinder. Who is correct?
A. A only
B. B only
C. Both A and B
D. Neither A nor B
Answer: B
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What will be an ideal response?
Humus is an important soil colloid. It differs from 2:1 type minerals in all but one of the following characteristics:
A) capable of adsorbing cations B) influence on soil aggregate stability C) CEC dependence on soil pH D) structural framework of the particles E) influence of isomorphous substitution
The coolant heat storage system is being discussed. Technician A says that the water valve is driven by an electric motor. Technician B says that the storage tank has its own electric water pump. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
In heavy-duty wall-form systems, the forms components are connected with _____
a. screw clamps b. nuts and bolts c. form ties and walers d. quick-connect hardware