List three types of switches
What will be an ideal response?
single pole, three-way, four-way
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A rigid, nonconducting tank with a volume of 4 
is divided into two unequal parts by a thin membrane. One side of the membrane, representing 1/3 of the tank, contains nitrogen gas at 6 bar and 100°C, and the other side, representing 2/3 of the tank, is evacuated. The membrane ruptures and the gas fills the tank.
(a) What is the final temperature of the gas? How much work is done? Is the process reversible?
(b) Describe a reversible process by which the gas can be returned to its initial state. How much work is done?
Assume nitrogen is an ideal gas for which 
and 
When variable valve timing (VVT) is used on a Caterpillar diesel engine, which of the following becomes variable?
A. valve overlap B. valve lift dimension C. moment of intake valve closure D. moment of intake valve opening
A battery gives off explosive hydrogen gas during the battery charging process.
Answer the following statement true (T) or false (F)
A certain logic gate has three inputs. The output goes LOW (0 ) only when the inputs are A = 1, B = 1, and C = 1. The gate must be a(n):
A) AND gate. B) NOR gate. C) NAND gate. D) none of the above