The function of the foot valve or dual-circuit application valve is to:
A. Increase the flow of air to the service reservoirs
B. Reduce the flow of air from the service reservoirs
C. Meter air to the service brake circuit
D. Meter air to the brake hold-off chambers
C. Meter air to the service brake circuit
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With dynamic braking for a wound rotor motor, the circuit may provide three braking options, coast stop, medium stop, and ____ stop.
a. step b. rapid c. successive d. steep
Two machines are being considered for purchase. The Sande 10 costs $36 000 new and is estimated to last five years. The cost to replace the Sande 10 will increase by 4 percent each year. Annual operation and maintenance costs are $2 400. It will have a trade-in (salvage) value of $3 000. The Sande 20 costs $76 000 to buy, but will last 10 years and will have a trade-in (salvage) value of $4 000. The cost of operation and maintenance is $1 400 per year. Compare the two machines and state the basis of your comparison. Include a cash-flow diagram for each alternative. Assume all interest rates at 6 percent per year unless other-wise stated.
What will be an ideal response?
Technician A says that truck electronic hardware specified to be J1939 compatible can be stub connected to a J1939 data bus without using transducer modules. Technician B says that multiplexing transducers and gateway modules enable data bus transactions between different modules. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
What is the recommended maximum number of grains per pound of material in the water supplied to an atomizing humidifier?
A. 10 B. 50 C. 100 D. 125