What is the recommended ratio of ethylene glycol based coolant and water for the engine cooling system?

A. 30/70
B. 40/60
C. 50/50
D. 60/40


Answer: C

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Which soil test uses a spring-operated instrument that is pushed into the soil sample?

a. plasticity b. thumb penetration c. pocket penetrometer d. sedimentation

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_____ formation occurs during the storage period of cuttings

A) Tip B) Callus C) Leaf D) Stem

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The use of ______________________ parts became common during the Industrial Revolution, which made machine repairs faster and easier

Fill in the blank(s) with correct word

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Which of these symptoms could be caused by a restricted brake hose?

A) Dragging brakes B) A pulling condition C) Locked brakes D) All of the above

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