Which of the following may contribute to detonation?
A. A lean air/fuel ratio
B. Carbon deposits
C. An inoperative EGR valve
D. All of the above
Answer: D
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Elevator and stair shafts in building cores are often constructed by using a type of _____.
a. sliding form b. climbing form c. slip form d. jack-raised form
The chemical composition of contacts is such that they operate at cool temperatures of up to ____________________% of their current-carrying capacity.
Fill in the blank(s) with the appropriate word(s).
Technician A says to inspect a suspicious exhaust system when it is warm. Technician B says that dampeners are used with many exhaust systems to reduce vibration. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
You are asked if you would like to have a box which contains 3.5 kmole of gold. The only condition of the deal is that you must carry the box away using only your own strength. What is the mass of the gold in the box if the molecular mass of the gold is 197 kg/kmole? Do you think you will be able to accept this deal?
Given: n = 3.5 kmole; M = 197 kg/kmole