Natural gas is mainly composed of propane, which typically makes up about 70-90% of its volume
Indicate whether the statement is true or false.
F
You might also like to view...
A part made from 1040 hot-rolled steel is to be heat treated to increase its strength to approximately 100 kpsi. What Brinell hardness number should be expected from the heat-treated part?
What will be an ideal response?
Dual-check valve backflow preventer assemblies are difficult for plumbers to remove, test, or replace because they _____.
a. have left-hand threaded connections b. do not have replaceable valve inserts c. are installed in very tight spaces d. are not normally fitted with shutoff valves or test cocks
In a recirculating water system condenser, the leaving water temperature is normally ____________________°F lower than the condensing temperature of the refrigerant.
Fill in the blank(s) with the appropriate word(s).
Which type of electrical space heater has the greatest potential for overheating?
A) Convection baseboard electric space heaters B) Forced-air electric space heaters C) Cabinet-type electric space heaters D) Suspended-force fan-unit electric space heaters