If the incoming ac power should fail, ____ batteries continue to provide power to the Jensen Electric Co. fire alarm system.
A. lithium
B. lead acid
C. alkaline
D. nickel cadmium
Answer: B
You might also like to view...
Which would not be classified as a riding horse?
A. Appaloosa B. Palomino C. Pinto D. Percheron
The diesel exhaust fluid is injected ________
A) After the oxidation catalyst B) Just in front of the muffler C) Into the exhaust manifold D) At the end of the tail pipe
The manufacture of a certain part requires two different machine operations. The time on machine 1 has mean 0.5 hours and standard deviation 0.4 hours. The time on machine 2 has mean 0.6 hours and standard deviation 0.5 hours. The times needed on the machines are independent. Suppose that 100 parts are manufactured.
a. What is the probability that the total time used by machine 1 is greater than 55 hours? b. What is the probability that the total time used by machine 2 is less than 55 hours? c. What is the probability that the total time used by both machines together is greater than 115 hours? d. What is the probability that the total time used by machine 1 is greater than the total time used by machine 2?
En la Figura 2, ¿Cuántos paneles de 4' × 8' (1.20 m × 2.40 m) de contrapiso se necesitan?
a. 42
b. 44
c. 46
d. 48