TRAVIS CANNING
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power engineering 3b2 Quiz on 4.13 Fired Heaters, created by TRAVIS CANNING on 01/03/2016.

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TRAVIS CANNING
Created by TRAVIS CANNING about 8 years ago
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4.13 Fired Heaters

Question 1 of 10

1

A Eutectic salt solution used as a heat transfer medium in an indirect heater is a mixture of:

Select one of the following:

  • Sodium nitrate and magnesium nitrate

  • Calcium nitrate and magnesium nitrate

  • Sodium nitrate and calcium nitrate

  • Sodium nitrite and potassium nitrate

  • Calcium nitrate and potassium nitrate

Explanation

Question 2 of 10

1

The burner of an indirect heater will burn at ______ rate until the desired heat transfer fluid temperature is reached

Select one of the following:

  • Full

  • Modulating

Explanation

Question 3 of 10

1

Before starting an indirect fired heater, ensure the proper operating level of heat transfer fluid has been established in the heater shell. The level is always:

Select one of the following:

  • Above the process heating coil

  • Just below the process heating coil

  • Between the fire and process tube

  • At the mid point of the heater

  • Above the expansion tank

Explanation

Question 4 of 10

1

In an indirect fired heater the fluid flowing in the process tubes is heated by the:

Select one of the following:

  • Intermediate fluid that is heated by the fire tube

  • Fire tube immersed in the furnace

  • Air that is heated by the fire tube

  • Flue gases leaving the furnace

  • Steam in the steam dome

Explanation

Question 5 of 10

1

When a direct-fired heater is used to vapourize the process fluid drawn off the bottom of a fractionation tower, it is called:

Select one of the following:

  • Heating

  • Reboiling

  • Reacting

  • Storage

  • Cracking

Explanation

Question 6 of 10

1

In a Horizontal Rectangular Direct Fired Heater, the _______ is /are mounted on the floor of the furnace and extend along a center line from the front to the back of the furnace.

Select one of the following:

  • Breeching

  • Convection tubes

  • Radiant tubes

  • Fire box

  • Burners

Explanation

Question 7 of 10

1

The ______ and the ______ assembly are mounted above the convection section of vertical fired heaters.

Select one of the following:

  • Economizer, damper

  • Economizer, air heater

  • Stack, damper

  • Reheater, reboiler

  • Air heater, stack

Explanation

Question 8 of 10

1

Vertical cylindrical heaters are bottom fired, with a _______ radiant section and a convection section that is _______

Select one of the following:

  • Vertical, horizontal

  • Cylindrical, rectangular

  • Circular, below the radiant section

  • Longitudinal, circumferential

  • Rectangular, cylindrical

Explanation

Question 9 of 10

1

Most vertical fired heaters have _______ draft

Select one of the following:

  • Natural

  • Mechanical

  • Forced

  • Balanced

  • Induced

Explanation

Question 10 of 10

1

The most commonly used heaters, because of there efficiency, particularly in the larger sizes, are the ______ heaters

Select one of the following:

  • Vertical

  • Convection

  • Combination vertical and horizontal

  • Radiation

  • Combination convection and radiant

Explanation

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