Q.1
The ash remaining from burned coal that is collected in the ash hopper is called slag or _____.
  • top ash
  • soot
  • bottom ash
Q.2
Sufficient heat to raise the fuel/air temperature of the fuel to reach ignition temperature is provided by the ________________.
  • Torches
  • flame throwers
  • Ignitors
Q.3
One method of more efficient coal burning is to create more surface area than normally occurs in raw coal. A common method of increasing the surface area is called __________
  • cracking
  • pulverizing
  • fracturing
Q.4
Voltage is measured in
  • Ohms
  • Amps
  • Volts
  • Resistance
Q.5
A voltmeter is connected to a circuit
  • In parallel
  • Next to a bulb
  • In series
  • Directly opposite a power pack
Q.6
In a circuit with small resistance, a _________ current will flow.
  • Large
  • Small
  • Negative
  • Positive
Q.7
In a circuit with large resistance, a __________ current will flow.
  • Large
  • Positive
  • Negative
  • Small
Q.8
Series circuits have ________ resistance. Parallel circuits have _______ resistance.
  • Negative, positive.
  • High; low.
  • Low; high.
  • Positive, negative.
0 h : 0 m : 1 s