A major benefit from excellence in reproductive management is that more total offspring
will be born, and more will be born within a shorter time interval, which will result in
easier and more efficient animal management.
A. True B. False
A
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A steadier torque is achieved by using several coils of a ____ armature.
a. drum-wound b. field-wound c. brush-wound d. wire-wound
In a process that manufactures bearings, 90% of the bearings meet a thickness specification. A shipment contains 500 bearings. A shipment is acceptable if at least 440 of the 500 bearings meet the specification. Assume that each shipment contains a random sample of bearings.
a. What is the probability that a given shipment is acceptable? b. What is the probability that more than 285 out of 300 shipments are acceptable? c. What proportion of bearings must meet the specification in order that 99% of the shipments are acceptable?
How is the water flow in a hydronic heating system checked?
A) By measuring the impeller RPM using a stroboscope B) By measuring the pressure drop across the water pump and comparing it to a pumping performance chart C) By measuring the amp draw of the pump motor and applying the formula gp = amps × 1.73 D) By measuring the pump motor RPM using a digital tachometer
In order to increase the efficiency of the cooling, some alternators operate in a(n) _____ atmosphere.
A. helium B. oxygen C. hydrogen D. nitrogen