1st Class Stationary Engineer's Examination #4
questions and answers with solutions
Absolute zero is - ANSWER -460 F
The mechanical equivalent of heat is - ANSWER 778 BTUs
The failure of a brick furnace lining is called - ANSWER Spalling
The amount of heat required to change the state of a substance is called
- ANSWER Latent
The section of solid plate between tube holes is called a - ANSWER
Ligament
The external covering of a boiler is called - ANSWER Lagging
The instrument used to test flue gases for proper combustion is a -
ANSWER ORSAT
The test used to determine the amount of dissolved oxygen in water is
the _________ Test - ANSWER Winkler
, Air being compressed by a two-stage aircompressor can be cooled by the
use of a - ANSWER intercooler
A ___________ pump requires no air chamber on the discharge line. -
ANSWER centrifugal
The device used to regulate the amount of refrigerant to the evaporator
is the - ANSWER expansion valve
________ Is used to protect the compressor of a refrigeration system
from slugs of liquid refrigerant. - ANSWER False head
The temperature of the water used for a hydrostatic test should be -
ANSWER 70 Degrees or above
When a boiler is "Laid-up" by the wet method, the PH of the water
should be maintained in the range of - ANSWER 10 to 12
is a device used to measure very high temperature - ANSWER pyrometer
firetubes are fastened to the tube sheet by - ANSWER expanding or
rolling
The point at which the air becomes saturated is called the - ANSWER
Dew point
questions and answers with solutions
Absolute zero is - ANSWER -460 F
The mechanical equivalent of heat is - ANSWER 778 BTUs
The failure of a brick furnace lining is called - ANSWER Spalling
The amount of heat required to change the state of a substance is called
- ANSWER Latent
The section of solid plate between tube holes is called a - ANSWER
Ligament
The external covering of a boiler is called - ANSWER Lagging
The instrument used to test flue gases for proper combustion is a -
ANSWER ORSAT
The test used to determine the amount of dissolved oxygen in water is
the _________ Test - ANSWER Winkler
, Air being compressed by a two-stage aircompressor can be cooled by the
use of a - ANSWER intercooler
A ___________ pump requires no air chamber on the discharge line. -
ANSWER centrifugal
The device used to regulate the amount of refrigerant to the evaporator
is the - ANSWER expansion valve
________ Is used to protect the compressor of a refrigeration system
from slugs of liquid refrigerant. - ANSWER False head
The temperature of the water used for a hydrostatic test should be -
ANSWER 70 Degrees or above
When a boiler is "Laid-up" by the wet method, the PH of the water
should be maintained in the range of - ANSWER 10 to 12
is a device used to measure very high temperature - ANSWER pyrometer
firetubes are fastened to the tube sheet by - ANSWER expanding or
rolling
The point at which the air becomes saturated is called the - ANSWER
Dew point
