_____ is a term for the current of air created by the variation in pressure resulting from differences in weight between the hot gases in the flue and the cooler air outside the chimney.
A. Rumford
B. Heat source
C. Motion
D. Draft
Answer: D
Trades & Technology
You might also like to view...
A ____ cuts internal threads.
A. root B. crest C. tap D. die
Trades & Technology
Which type of hammer is plastic coated, has a metal casing inside, and is filled with small lead balls?
A) Sledgehammer B) Plastic hammer C) Soft-blow hammer D) Dead-blow hammer
Trades & Technology
The long trend in the production of broilers and turkeys has been _____
a. unchanged c. downward b. upward d. in cycles
Trades & Technology
A red coated handle on a pair of aviation snips indicates they are designed to be used for ________ cuts or curves
A) Straight B) Right-hand C) Left-hand D) Combination
Trades & Technology