The most common use of insulating concrete forms is in _____.

The most common use of insulating concrete forms is in _____.
 
  a. low commercial structures
  b. multistory industrial buildings
  c. high-rise office buildings
  d. apartment complexes

 Q. 2

The speed of a single-phase motor is determined by the number of stator windings and the _____.
 
  a. number of rotor windings
  b. size of the armature
  c. frequency of the applied voltage
  d. volume of current applied

 Q. 3

At approximately 100mA, shock is likely to be fatal if it lasts more than _____.
 
  a. 1 second
  b. 1 minute
  c. 10 milliseconds
  d. 100 microseconds