Positive tool rake works best for cutting:
A) Hard brittle materials B) Brass and bronze
C) Tough, strong metals D) Soft, gummy metals
D
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When incomes are high, the demand for beef increases while the demand for poultry decreases
Indicate whether the statement is true or false.
A walk-in refrigerator has the following conditions. Which remedy below would most likely solve the problem?
? Box temperature is up to 50°, ? the evaporator temperature is 25°, LOW (Should be 40°) ? the line leaving the evaporator is 46°. HIGH (Superheat 21° Starving) ? the ambient is 75°, ? the condensing temperature is 95°, LOW (20° Condenser Split) ? and the liquid line is 93°. LOW (2° Subcooling) a. Add refrigerant b. clean evaporator c. clean condenser d. adjust tstat
Coolant can be checked using ________
A) Boiling/freezing points using a refractometer and hydrometer B) Test strips C) Visual inspection D) All of the above
An ammeter has a typical impedance of less than _______________ ohm.
Fill in the blank(s) with the appropriate word(s).