101 Power Engineering 4th Class Part
B | Full Set Correct Answers
In an absorption refrigeration system, the______will fluctuate as water
vapour is absorbed in the absorber. - Ans--lithium bromide concentration
Self-lubricating carbon glands are installed in turbines for______. - Ans--
shaft sealing
The_______ in an air vent opens the needle valve when cool air surrounds
the cylinder. - Ans--volatile liquid
electronic charged media and electrostatic precipitators are 2 categories
of_____ - Ans--electronic air filters
To control the concentraion of dissolved solids, boilers use____. - Ans--
continuous blow-down
______occurs by using a fan to draw moist air over a refrigerated coil to cool
the air below its dewpoint to condense the entrained moisture. - Ans--
dehumidification
when mechanical seals are installed on a pump it is important to: - Ans--all of
the above
The thrusting of force upon the rotating blades from steam traveling with
high velocity is the operating principle of a(n) ____. - Ans--impulse turbine
Sodium sulphite is a commonly used ____ in boilers. - Ans--oxygen
scavenger
If a door is difficult to close the room may be under______. - Ans--high static
pressure
The steam expands at the nozzles of an ____. - Ans--impulse turbine
, The hand wheel (speeder) installed on the turbine governor ____. - Ans--
adjusts the turbine speed
Dry and wet storage are two methods used to ____ to prepare it for a period
of storage - Ans--lay up the boiler
To improve the efficiency of the turbine, the regenerator recovers heat from
the turbine exhaust air and_____. - Ans--returns it to the combustor
5% adjustments can be made to the safety valve popping pressure without
being required to replace the ____. - Ans--spring
A steam engines log sheet for bearing monitoring should include: - Ans--
Vibration levels, Operating pressure, Bearing lubrication oil, Operating
temperature, all of the above.
Safety valve repairs can be completed by: - Ans--Safety valve
manufactures, Personnel with authorization from the chief inspector,
Authorized repair representatives, All of the above
The charts on a mechanical chart recorder are required to be changed ____.
- Ans--daily or weekly
The outside of a Class T refrigeration room a ____ must be installed - Ans--
shutdown switch
Air compressor cylinder oils: - Ans--All of the above
____ is the water seal depth of a standard plumbing trap. - Ans--5 cm
Which of the following are services lubricants must provide: - Ans--All of the
above
Clarification is a water treatment process used to remove_____. - Ans--
suspended solids
B | Full Set Correct Answers
In an absorption refrigeration system, the______will fluctuate as water
vapour is absorbed in the absorber. - Ans--lithium bromide concentration
Self-lubricating carbon glands are installed in turbines for______. - Ans--
shaft sealing
The_______ in an air vent opens the needle valve when cool air surrounds
the cylinder. - Ans--volatile liquid
electronic charged media and electrostatic precipitators are 2 categories
of_____ - Ans--electronic air filters
To control the concentraion of dissolved solids, boilers use____. - Ans--
continuous blow-down
______occurs by using a fan to draw moist air over a refrigerated coil to cool
the air below its dewpoint to condense the entrained moisture. - Ans--
dehumidification
when mechanical seals are installed on a pump it is important to: - Ans--all of
the above
The thrusting of force upon the rotating blades from steam traveling with
high velocity is the operating principle of a(n) ____. - Ans--impulse turbine
Sodium sulphite is a commonly used ____ in boilers. - Ans--oxygen
scavenger
If a door is difficult to close the room may be under______. - Ans--high static
pressure
The steam expands at the nozzles of an ____. - Ans--impulse turbine
, The hand wheel (speeder) installed on the turbine governor ____. - Ans--
adjusts the turbine speed
Dry and wet storage are two methods used to ____ to prepare it for a period
of storage - Ans--lay up the boiler
To improve the efficiency of the turbine, the regenerator recovers heat from
the turbine exhaust air and_____. - Ans--returns it to the combustor
5% adjustments can be made to the safety valve popping pressure without
being required to replace the ____. - Ans--spring
A steam engines log sheet for bearing monitoring should include: - Ans--
Vibration levels, Operating pressure, Bearing lubrication oil, Operating
temperature, all of the above.
Safety valve repairs can be completed by: - Ans--Safety valve
manufactures, Personnel with authorization from the chief inspector,
Authorized repair representatives, All of the above
The charts on a mechanical chart recorder are required to be changed ____.
- Ans--daily or weekly
The outside of a Class T refrigeration room a ____ must be installed - Ans--
shutdown switch
Air compressor cylinder oils: - Ans--All of the above
____ is the water seal depth of a standard plumbing trap. - Ans--5 cm
Which of the following are services lubricants must provide: - Ans--All of the
above
Clarification is a water treatment process used to remove_____. - Ans--
suspended solids
