?Which type of chemical bonding is most important in plastics?
A. ?metallic
B. ?ionic
C. ?hydrogen
D. ?covalent
Answer: D
Trades & Technology
You might also like to view...
Technician A says that oily residue on a fitting or hose can indicate a refrigerant leak. Technician B says that this residue is normal around most A/C fittings. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Trades & Technology
A normal reading when testing for electrolysis in the coolant is ________.
A) More than .5 V B) 5 V or more C) Less than 300 mV D) At least .5 V
Trades & Technology
Vehicles built today are in service longer than vehicles built twenty years ago
A) True B) False
Trades & Technology
For the same building (40? wide and 30? long), how many 12 -foot pieces of diagonal bracing must be installed?
a. 4 b. 8 c. 16 d. 32
Trades & Technology