While discussing the four-stroke cycle, Technician A says that during the intake stroke, the piston is pulled down by the turning crankshaft, creating a vacuum above it. Technician B says this event occurs during the exhaust stroke. Who is right?
A. A only
B. B only
C. Both A and B
D. Neither A nor B
Answer: A
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What will be an ideal response?
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a. intuition b. experience c. instinct d. personal insights e. All of these
Hot water is circulated through a hot water heating system:
A) Using external-drive water compressors. B) Using water circulating pumps. C) Using large diaphragm pumps. D) Because of the density difference between hot and cold water.
In PLC 5 two-slot addressing, the ________
A) PLC has two groups to a slot. A module with two input words and two output words fill the slot B) PLC is configured so that all slots and inputs are addressed with tags C) PLC is configured with one group distributed over two adjacent slots, so that the adjacent slots can accept a module that has one input word and one output word D) PLC is configured with one group to a slot, so that the slot can accept a module that has one input word and one output word