Are you equally adept at troubleshooting problems in the boardroom and the boiler room? As the resident facility guru, there's a lot riding on whether or not you know the difference between sound control and a sound investment. If you're ready for 21st century challenges, then you're ready for our monthly Operator IQ Challenge...

Question 1: The capacity of a centrifugal pump should only be reduced by:

a) throttling the suction valve
b) closing the suction valve
c) closing both the suction and discharge valves
d) opening the pump casing vent valve
e) closing the discharge valve

Question 2: Which type of grease is the cheapest and most commonly used?

a) lithium base
b) teflon base
c) paraffin base
d) calcium base
e) silicon base

Question 3: ________ is an electromotive force?

a) Amperage
b) The ohm
c) Power
d) The watt
e) The volt

Question 4: With an automatic fuel fired boiler programmed control, the normal firing period begins approximately :

a) 44 seconds after FD fan starts
b) 75 seconds after FD fan starts
c) 60 seconds after FD fan starts
d) 10 seconds after pilot extinguishes
e) 47 seconds after pre-purge

Question 5: A common pressure range for pneumatic control systems is:

a) 3 to 15 kPa
b) 20 to 100 psi
c) 20to 30 kPa
d) 40 to 60 psi
e) 20 to 100 kPa

Answers below:

















Answer to Question 1:
e) closing the discharge valve

Answer to Question 2:
d) calcium base

Answer to Question 3:
e) The volt

Answer to Question 4:
c) 60 seconds after FD fan starts

Answer to Question 5:
e) 20 to 100 kPa

If you got 5 correct:
You should be an instructor!!



First published June 2003