Technician A says that spark knock, ping, and detonation are different names for abnormal combustion Technician B says that any abnormal combustion raises the temperature and pressure inside the combustion chamber and can cause severe engine damage. Which technician is correct?

A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B


Ans:  C) Both technicians A and B

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In a right triangle, the ____________________ of two sides of the triangle determines the sizes of the angles.

Fill in the blank(s) with the appropriate word(s).

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Which of these statements is TRUE about surface finish?

A) The rougher the surface, the higher the microinch finish measurement B) A cylinder head should be much smoother than a crankshaft journal C) Cast-iron surfaces should be smoother than aluminum surfaces D) The smoother the surface,the higher the microinch finish measurement

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A non-servo robot without limit sensors can be programmed to run faster than the same robot with limit sensors

Indicate whether the statement is true or false

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When electrons flow in one direction then in the opposite direction, the current is called ____________________.

Fill in the blank(s) with the appropriate word(s).

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