HOSMERIT
ABSA: 4TH CLASS PART B - COMPREHENSIVE EXAM 1 |
QUESTIONS& ANSWERS (VERIFIED) | LATEST UPDATE |
GRADED A+
Temporary hardness in feedwater is caused by:Select one:
a. Magnesium sulphate
b. Calcium carbonate
c. Magnesium bicarbonate
d. Sodium nitrate
Correct Answer: c
What is the recommended boiler water pH for wet layup?Select one:
a. 10
b. 12
c. 7.5
d. 7
Correct Answer: a
A photoelectric flame scanner:
Select one:
,a. Produces a steady voltage signal
b. Requires a clear line of sight to the flame
c. conducts current through the flame
d. uses a pilot-stat
Correct Answer: b
Heavy oil recovered using SAGD or CSS is properly referred to asSelect one:
a. bottoms
b. crude
c. tar
d. bitumen
Correct Answer: d
Humidifying units that force warm air through a wet pad, and return the air to the room,are
called:
Select one:
a. Wetted element humidifiers
b. Pan type humidifiers with plates
c. Atomizing humidifiers
d. Bypass type humidifiers
Correct Answer: a
,The kind of grease used for heavily loaded machinery operating at slow speeds is the:Select one:
a. Sodium base grease
b. Specialty grease
c. Calcium base grease
d. Aluminum base grease
Correct Answer: b
One of the advantages of gas-fired infrared heating over other types of heating systemsis:
Select one:
a. Gas-fired infrared heaters can be used as the main heating source for a largebuilding
b. Gas-fired infrared heaters can provide effective spot heating
c. Gas-fired infrared heaters require no fuel handling equipment
d. Gas-fired infrared heaters can heat large volume enclosures with little fuel
Correct Answer: b
The normal loss of zeolite in a sodium zeolite softener is about per year.Select one:
a. 0.1
b. 0.15
c. 0.03
d. 0.05
, Correct Answer: c
A form of lubrication that requires continual motion of a shaft or surface is:Select one:
a. Fluid film lubrication
b. Forced lubrication
c. Continuous lubrication
d. Boundary lubrication
Correct Answer: a
A is a fired heater installed where the heat is needed, that heats the air directly without the
use of any ducting.
Select one:
a. Rooftop unit
b. Unit ventilator
c. Convector
d. Unit heater
Correct Answer: d
With antifriction bearings using grease, the bearings:Select one:
a. Never require cleaning
ABSA: 4TH CLASS PART B - COMPREHENSIVE EXAM 1 |
QUESTIONS& ANSWERS (VERIFIED) | LATEST UPDATE |
GRADED A+
Temporary hardness in feedwater is caused by:Select one:
a. Magnesium sulphate
b. Calcium carbonate
c. Magnesium bicarbonate
d. Sodium nitrate
Correct Answer: c
What is the recommended boiler water pH for wet layup?Select one:
a. 10
b. 12
c. 7.5
d. 7
Correct Answer: a
A photoelectric flame scanner:
Select one:
,a. Produces a steady voltage signal
b. Requires a clear line of sight to the flame
c. conducts current through the flame
d. uses a pilot-stat
Correct Answer: b
Heavy oil recovered using SAGD or CSS is properly referred to asSelect one:
a. bottoms
b. crude
c. tar
d. bitumen
Correct Answer: d
Humidifying units that force warm air through a wet pad, and return the air to the room,are
called:
Select one:
a. Wetted element humidifiers
b. Pan type humidifiers with plates
c. Atomizing humidifiers
d. Bypass type humidifiers
Correct Answer: a
,The kind of grease used for heavily loaded machinery operating at slow speeds is the:Select one:
a. Sodium base grease
b. Specialty grease
c. Calcium base grease
d. Aluminum base grease
Correct Answer: b
One of the advantages of gas-fired infrared heating over other types of heating systemsis:
Select one:
a. Gas-fired infrared heaters can be used as the main heating source for a largebuilding
b. Gas-fired infrared heaters can provide effective spot heating
c. Gas-fired infrared heaters require no fuel handling equipment
d. Gas-fired infrared heaters can heat large volume enclosures with little fuel
Correct Answer: b
The normal loss of zeolite in a sodium zeolite softener is about per year.Select one:
a. 0.1
b. 0.15
c. 0.03
d. 0.05
, Correct Answer: c
A form of lubrication that requires continual motion of a shaft or surface is:Select one:
a. Fluid film lubrication
b. Forced lubrication
c. Continuous lubrication
d. Boundary lubrication
Correct Answer: a
A is a fired heater installed where the heat is needed, that heats the air directly without the
use of any ducting.
Select one:
a. Rooftop unit
b. Unit ventilator
c. Convector
d. Unit heater
Correct Answer: d
With antifriction bearings using grease, the bearings:Select one:
a. Never require cleaning
