TSSA Practice 1 UPDATED ACTUAL
Exam Questions and CORRECT Answers
A 7m long bar of negligible mass is supported on a fulcrum, situated 4.7m from the left end. A
13.5N force is applied downward at the right end of the bar. What force is required at the left end
for equilibrium? - CORRECT ANSWER - 6.61 N
A bimetal thermometer consists of: - CORRECT ANSWER - Two dissimilar metals
welded together.
What are the main component metals of "white metal"? - CORRECT ANSWER - lead and
tin
Industrial stack emissions are - CORRECT ANSWER - reflective of the type of fuel being
burned
A Van Stone flange is fitted ___________ on a pipe: - CORRECT ANSWER - Loosely
Which one of the following fusion welding is a totally manual process? - CORRECT
ANSWER - oxy-fuel
The state of matter of a particular substance is dependent on its: - CORRECT ANSWER -
Temperature and pressure
The "flash point" of a flammable liquid is the temperature at which: - CORRECT
ANSWER - the liquid will produce enough vapour to form a flammable mixture when
mixed with air
On a P&ID, symbols are used for instrumentation the first letter stands for - CORRECT
ANSWER - What is being measured
, The low water fuel cutoff is a device fitted to the boiler to shut the: - CORRECT
ANSWER - Fuel valve if the water level becomes too low
The unit of measure for work in the SI system is: - CORRECT ANSWER - Joules
The purpose of the non-return valve on a boiler is to_____________________. - CORRECT
ANSWER - Prevent the back flow of steam into the boiler
The ratio between the ultimate strength and the allowable stress is called the - CORRECT
ANSWER - Safety factor
The efficiency of a combined cycle plant, using a pressurized fluidized bed boiler, is about
_____ higher than that of a conventional pulverized coal plant. - CORRECT ANSWER -
5%
A Bourdon tube may be manufactured in the shape of a helix so that
_______________________ than a standard bourdon tube - CORRECT ANSWER - It has
enough power and rotation to move the pens of a recorder without the use of gears
If a substance goes through a process that changes its composition so that it is no longer the same
substance, then the substance has undergone a: - CORRECT ANSWER - Chemical change
By doing this, waste disposal can be made to be more effective. - CORRECT ANSWER -
Treat the waste
Which of these is a normal type of maintenance: - CORRECT ANSWER - Preventative
maintenance
A packaged watertube boiler having two mud drums is the: - CORRECT ANSWER - "A"
type
Exam Questions and CORRECT Answers
A 7m long bar of negligible mass is supported on a fulcrum, situated 4.7m from the left end. A
13.5N force is applied downward at the right end of the bar. What force is required at the left end
for equilibrium? - CORRECT ANSWER - 6.61 N
A bimetal thermometer consists of: - CORRECT ANSWER - Two dissimilar metals
welded together.
What are the main component metals of "white metal"? - CORRECT ANSWER - lead and
tin
Industrial stack emissions are - CORRECT ANSWER - reflective of the type of fuel being
burned
A Van Stone flange is fitted ___________ on a pipe: - CORRECT ANSWER - Loosely
Which one of the following fusion welding is a totally manual process? - CORRECT
ANSWER - oxy-fuel
The state of matter of a particular substance is dependent on its: - CORRECT ANSWER -
Temperature and pressure
The "flash point" of a flammable liquid is the temperature at which: - CORRECT
ANSWER - the liquid will produce enough vapour to form a flammable mixture when
mixed with air
On a P&ID, symbols are used for instrumentation the first letter stands for - CORRECT
ANSWER - What is being measured
, The low water fuel cutoff is a device fitted to the boiler to shut the: - CORRECT
ANSWER - Fuel valve if the water level becomes too low
The unit of measure for work in the SI system is: - CORRECT ANSWER - Joules
The purpose of the non-return valve on a boiler is to_____________________. - CORRECT
ANSWER - Prevent the back flow of steam into the boiler
The ratio between the ultimate strength and the allowable stress is called the - CORRECT
ANSWER - Safety factor
The efficiency of a combined cycle plant, using a pressurized fluidized bed boiler, is about
_____ higher than that of a conventional pulverized coal plant. - CORRECT ANSWER -
5%
A Bourdon tube may be manufactured in the shape of a helix so that
_______________________ than a standard bourdon tube - CORRECT ANSWER - It has
enough power and rotation to move the pens of a recorder without the use of gears
If a substance goes through a process that changes its composition so that it is no longer the same
substance, then the substance has undergone a: - CORRECT ANSWER - Chemical change
By doing this, waste disposal can be made to be more effective. - CORRECT ANSWER -
Treat the waste
Which of these is a normal type of maintenance: - CORRECT ANSWER - Preventative
maintenance
A packaged watertube boiler having two mud drums is the: - CORRECT ANSWER - "A"
type
