Why was the Berlin Wall erected in August 1961?
a. to prevent western spies from entering East Germany
b. to prevent East Germans from leaving the country
c. to create a defensive frontier
d. to provide work for East Berlin’s disgruntled laborers
b. to prevent East Germans from leaving the country
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During the _____, the grandiose use of animals for entertainment reached a peak
a. Renaissance b. Roman Empire c. 20th century d. 1500 BC
What is the pH of the electrolyte of a hybrid electric vehicle's NiMH battery?
A) 13.5 B) 14.7 C) 7.0 D) 2.5
What is the reactance of a 100 ?H inductor operating at 100 kHz?
A) 6.28 ? B) 62.8 ? C) 62.8 k? D) infinite ?
Preventative maintenance activities for a PC may include: operating system updates, disk defrag, and ___________.
A. cleaning of the cooling fan ports B. inspecting electrical connections C. powering down the PC D. All answers are correct