This circular blank is used to make sprocket drives. How many sprocket drive blanks can be cut from a steel plate 44” by 44”?
ANS: 9
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Answer the following statement(s) true (T) or false (F)
1. The term inching is often used when referring to across-the-line starters. 2. Neither jogging nor inching prevent a holding circuit. 3. When a jogging circuit is used, the starter can be energized only as long as the jog button is depressed. 4. The addition of a control relay to a jogging circuit provides even greater control of the motor drive than the use of a jogging circuit alone. 5. A selector push button can be used to obtain jogging.
What is the proper equation for current I in the circuit below?
A. (V2 ? V1) / 2R B. (V1 + V2) / R C. (V1 + V2) / 2R D. (V2 ? V1) / R E. ?(V1 + V2) / 2R
Thermocouples are temperature-sensing devices that produce ________ as a function of temperature
A) A large voltage B) An increase of resistance C) A decrease of resistance D) A small voltage
A geneticist is studying two genes. Each gene can be either dominant or recessive. A sample of 100 individuals is categorized as follows.
a. What is the probability that a randomly sampled individual, gene 1 is dominant?
b. What is the probability that a randomly sampled individual, gene 2 is dominant?
c. Given that gene 1 is dominant, what is the probability that gene 2 is dominant?
d. These genes are said to be in linkage equilibrium if the event that gene 1 is dominant is independent of the event that gene 2 is dominant. Are these genes in linkage equilibrium?