When properly done, evacuation also ensures:
A) An increase in the system compression ratio.
B) A reduction in the amount of condenser surface available.
C) An increase of refrigerant pressure.
D) A leak-tight system.
D
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Common sources of ignition include electricity, sparking metal, heat-generating equipment, and failed _____.
a. electrical connections b. hydraulic connections c. pneumatic connections d. mechanical connections
Glow plugs are used in diesel engines to:
A. Warm the engine oil B. Ignite the fuel C. Warm the intake air D. Warm the combustion chamber
What are the steps involved in installing a compression ring connection?
What will be an ideal response?
In the circuit shown in Figure P9.50, R must maintain the Zener diode within its specified limits. If
Vbatt = 15 ± 3 V, Ro = 1,000 ?, Vz = 5V,4 mA ? Iz ? 18 mA,
determine the minimum and maximum values of R that can be used.
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