CFESA Steam and Water Systems

Question 1

What is the relationship between steam pressure and steam temperature in a commercial steamer?

Accepted Answer

Higher pressure produces higher steam temperature

Answer

Higher pressure produces lower steam temperature

Answer

Pressure and temperature are independent of each other

Answer

Lower pressure always produces superheated steam

Question 2

What unit is most commonly used to measure water hardness in commercial food equipment service?

Accepted Answer

GPG (grains per gallon)

Answer

PSI (pounds per square inch)

Answer

PPM of chlorine

Answer

BTU per hour

Question 3

A pressure relief valve on a commercial steam boiler is designed to open at what condition?

Accepted Answer

When system pressure exceeds the valve's rated set point

Answer

When the water level drops below the minimum

Answer

When the thermostat fails closed

Answer

When condensate backs up into the boiler

Question 4

Scale buildup inside a commercial steamer generator is primarily caused by:

Accepted Answer

Dissolved minerals such as calcium and magnesium precipitating out of solution when heated

Answer

High chlorine levels in the water supply

Answer

Excessive steam pressure during operation

Answer

Using the wrong detergent during cleaning cycles

Question 5

A steam trap in a commercial steam system serves what primary function?

Accepted Answer

To discharge condensate while preventing live steam from escaping

Answer

To increase steam pressure before it reaches the cooking cavity

Answer

To filter sediment out of the steam supply line

Answer

To regulate water flow into the boiler

Question 6

When performing a descaling procedure on a commercial steamer, the technician should use:

Accepted Answer

A food-safe acidic descaler or citric acid solution diluted per manufacturer specifications

Answer

A strong alkaline degreaser at full concentration

Answer

Bleach solution at 200 PPM

Answer

Industrial muriatic acid undiluted

Question 7

What does TDS stand for in the context of water quality for commercial food equipment?

Accepted Answer

Total Dissolved Solids

Answer

Thermal Distribution System

Answer

Timed Drain Sequence

Answer

Temperature Differential Sensor