Book 1: 6-19 - Introduction to Thermoil Heaters & Systems Flashcards
Clean steam may be used in:
Select one:
A. Oil refineries
B. Steam cleaning
C. Humidification systems
D. Gas plants
E. Chemical processes
C. Humidification systems
HRSG is the acronym for:
Select one:
A. High recovery system grader
B. Hot recovery system generator
C. Heat recovery steam generator
D. Hot radiation steam generator
E. Heavy radiation steam grader
C. Heat recovery steam generator
Clean steam may be used in:
Select one:
A. Oil refineries
B. Chemical processes
C. Gas plants
D. Steam cleaning
E. Sterilization systems
E. Sterilization systems
Hot oil circulating pumps:
Select one:
A. Love type pumps
B. Must be capable of temperatures above 500°C (932°F)
C. Need not be kept hot if on standby
D. Are positive displacement units
E. Are usually single stage centrifugal units
E. Are usually single stage centrifugal units
A hot oil heating system is similar in principle to:
Select one:
A: A fire tube boiler burner
B. An oil refinery
C. A condensate return system
D. A steam heating system
E. A hot water heating system
E. A hot water heating system
On the fuel gas system to a hot oil heater, the acronym, PRV, stands for:
Select one:
A. Primary regulating valve
B. Primary relief valve
C. Pressure restricting valve
D. Pressure regulating valve
E. Pressure relief valve
D. Pressure regulating valve
Oils intended for use as heat transfer fluid in a hot oil system should:
Select one:
A. Resist thermal breakdown at low operating temperatures
B. Have a high viscosity
C. Posses low heat transfer characteristics
D. Be non-corrosive to metals used in the system
E. Have a high vapour pressure at operating temperature
D. Be non-corrosive to metals used in the system
Oils intended for use as heat transfer fluid in a hot oil system should:
Select one:
A. Have a high vapour pressure at operating temperature
B. Be corrosive to metals used in the system
C. Have a low viscosity
D. Possess low heat transfer characteristics
E. Resist thermal breakdown at low operating temperatures
C. Have a low viscosity
Flanges used in hot oil systems should be raised face and suitable _____ gaskets should be used.
Select one:
A. Metallic
B. Cork
C. Garlock
D. Graphite/asbestos
E. Rubber
A. Metallic
While the hot oil heater refractory is being dried out the oil circulating in the tubes should be limited to a temperature of not more than ______ per hour.
Select one:
A. 35°C
B. 30°C
C. 55°C
D. 25°C
E. 60°C
C. 55°C