Which of the following statements is LEAST-Likely true?
A. Commercial rebuilders decide whether to replace a bearing by spinning it while "listening" with a special device that can tell if it makes too much noise.
B. If a bearing is tight or feels rough, replace it.
C. Most starters use bushings because the armature rotates for long periods like an alternator.
D. Inspect bearings visually and by feeling them for roughness.
Answer: C
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Germanium and ____ are the most common semiconductor materials used in the electronics field.
A. gold B. silver C. silicon D. iron
Answer the following statement(s) true (T) or false (F)
1. Ladder logic is a good choice for a programming language because it closely resembles the way circuits are hard-wired. 2. The EXAMINE OFF instruction is only logically true when the device referenced is ON, or open. 3. When the N.C. symbol is programmed in a ladder diagram, any address that is actually ON becomes logically true and power can flow. 4. The number of times an input device can be addressed and used in a programmed circuit is limited to eight. 5. There are many more applications and circuits that normally require two- or three-pole devices that now only require single-pole devices when programmed for a PLC.
What is the minimum number of points that a building must earn to attain Platinum certification level in USGBC's LEED v4 rating system, and out of how many total number of points?
What will be an ideal response?
What are the factors of resist bend moment (RBM)?
A. Tensile strength and frame length B. Yield strength and section modulus C. Section modulus and tensile strength D. Load applied plus total frame length