The African ____ is a vast and rich grassland
A) pampas
B) campo
C) veld
D) savannah
C
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Answer the following statement(s) true (T) or false (F)
1. Two-stroke power equipment engines are becoming more prominent in the power equipment engine industry. 2. Two-stroke engines in today’s power equipments are found primarily in small handheld units such as gas-powered blowers and string trimmers. 3. If the piston rings in a two-stroke engine are worn, the compression gauge displays a pressure reading that is higher than the manufacturer’s specification. 4. When looking at the reed valve assembly, there should be little to no air gap between the reed valve and the reed valve seat. 5. After an engine has been rebuilt, the engine should start within 10–15 pulls of the starter rope.
Specific gravity is used in the HVACR industry:
A) For recovering refrigerant. B) For sizing gas lines. C) For charging air conditioners. D) For determining system capacity.
Chilled water systems use a primary refrigerant to remove heat from a secondary refrigerant in a chiller unit. What is the secondary refrigerant in such systems?
A) Ammonia B) R22 C) R134A D) Water
The best method of designing a motor control circuit is to solve one requirement at a time.
Answer the following statement true (T) or false (F)