This is a popular casting material for automotive cylinder blocks, machine tools, agricultural implements, and cast iron pipe.
a. alloy cast iron
b. chilled cast iron
c. gray cast iron
d. white cast iron
c. gray cast iron
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How high must the surface of a dam ?be raised to increase the potential energy of each pound of water changed from 15 ft-lb to 18 ft-lb?
Fill in the blank(s) with the appropriate word(s).
Overcharging a lead-acid battery will _____.
a. extend battery life b. increase battery power c. destroy the positive plate d. destroy the negative plate
What is the formula to figure out how much electric heat is produced by an electric furnace?
A) Watts = Volts × Gas B) Watts = Volts × Amps C) Amps = Amps × Volts D) Volts = Watts × Amps
The first thing that a HVAC technician should do upon receiving a set of plans for a building is to review all the plans.
Answer the following statement true (T) or false (F)