A torch should never be used to heat new bearings to install them
A. True
B. False
A
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A thermosiphon system is a type of _____.
a. evaporative heating system b. valance cooling system c. passive solar heating system d. air turnover heating system
Technician A says that the sodium filling used in some exhaust valve stems lightens the valve for better low-speed operation. Technician B says that a valve that has a wide margin must be replaced. Who is right?
A. ?Technician A only B. ?Technician B only C. ?Both A and B D. ?Neither A nor B
Answer the following statement(s) true (T) or false (F)
1. A true three-phase transformer contains six separate transformers wound on a single core. 2. The disadvantage for three-phase transformers is that if a single transformer should fail, the entire transformer must be repaired or replaced. 3. Delta connections should be checked for proper polarity after applying power. 4. A voltmeter is a low-impedance device. 5. Three-phase transformer connections are often used to supply single-phase loads, which tend to unbalance the system.
Most of you have credit cards, so you already know that if you do not pay the balance on time, the credit card issuer will charge you a certain interest rate each month. Assuming that you are charged 1.25% interest each month on your unpaid balance, what are the nominal and effective interest rates? Also, determine the effective interest rate that your own credit card issuer charges you.
What will be an ideal response?