Many of the newer gas-operated appliances and heating systems use a(n) ____ to ignite the gas flame.
a. thermocouple
b. electric arc
c. fire eye
d. pilot light
b. electric arc
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Which type of sink is used to provide sanitary drinking water without the need for a cup?
a. bar b. culinary c. water cooler d. mop
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Which of the following is the symbol for an induced draft cross flow tower?
Figure
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Which surface in the Figure 3 pictorial view is represented by line U also shown in Figure 3?
a. Surface R
b. Surface L
c. Surface P
d. Surface K
e. None of the above
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The system parameters needed to determine superheat are _____.
a. suction line temperature and suction pressure b. liquid line temperature and suction pressure c. suction line temperature and subcooling temperature d. suction line pressure and subcooling temperature
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