3rd TSSA Part 3A1 - Test (III)
Referring to the triangle ABC below, the ratio of opposite side/hypotenuse for angle B is
called the: https://ibb.co/D87JhqR - answer Sine of angle B or Sin B
A column 10 cm diameter and 2 m long is subject to a compression force of 800 kN,
which shortens the column 1 mm. Find the modulus of elasticity. - answer203.72 GPa
Ultimate tensile strength designed into an object must be: - answer Greater than the
allowable working stress
In the petrochemical industry many different products are developed by: - answer
Polymerization reactions, which combine small molecules to make larger ones
A word that refers to the change in the position of a body, relative to some reference
point is: - answer Displacement
A 5000 litre oil tank contains 60 liters of water. If the water is drained off and replaced
with fresh oil of relative density 0.95, what is the change in the mass of the tank's
contents? - answer3 kg
Grey cast iron is used for large motor and compressor bases because it: -
answerDampens vibration and sound well and it is strong in compression and shear
If the factor of safety was increased on an object from 4 to 5, the load on the object
operating at maximum safe working conditions: - answerMust be reduced from the
original.
What is the angle of inclination of a stairway with the floor, if the steps have a tread of
20 cm and a rise of 18 cm as illustrated in the sketch? - answer42 degrees
A tire that turned two and three quarter (2 ¾) revolutions has turned an equivalent of
___________ radians. - answer17.28
Referring to the figure below, the hypotenuse is the side: - answerc
The formula mass for Na2SO4 is: - answer142
The material balance drawing usually accompanies a/an: - answerProcess Flow
Diagram
A/an _____ process is one that has no temperature increase or decrease during the
process. - answerIsothermal
, Material Balances are usually shown in terms of moles per unit of time because: -
answerA mole of a substance will not change regardless of the phase, pressure or
temperature
A steel bar is 4 m long, and has a rectangular cross section of 3 cm x 4 cm. It is in
tension from a force of 360 kN. Find the stress induced. - answer300 MPa
The mechanical property that determines whether a material will break or stand up
under a sudden impact or hard blow is: - answerToughness
The hardness of a material includes its ability to: - answerResist penetration
A sector has sides of 5 m and an angle of 36°. Calculate the area of the sector.
https://ibb.co/x23Tw44 - answer7.854 m²
Galvanic corrosion occurs when one metal is electrically connected to another metal in
the same:
1. Area of the boiler or vessel
2. Electrolyte
3. Fluid
4. Family of metals - answer1, 2
Three identical bolts are required to carry a total load of 6.75 t. If the stress allowed in
the material is 55,900 kPa, calculate the minimum diameter of each bolt. - answer22.4
mm
Young's Modulus may be applied to which of the following applied loadings? -
answerCompression
From the dimensions shown on the sketch find the area of the shaded segment.
https://ibb.co/3470xcB - answer3.168 m²
Acids in solution produce an excess of _____ ions having a positive electrical charge. -
answerHydrogen
65 kg of water at 26°C is poured into 15 kg of ice at -6°C. The resulting temperature of
the mixture is: - answer5.53°C
A gas expands adiabatically from 1025 kPa abs to 225 kPa abs, with an expansion
index of 1.42. If its volume increases from 1.5 m³ to 4.05 m³, find the amount of
available work performed. - answer1491.07 kJ
In the following plane figure, a = 5 cm, b= 2 cm, c= 3 cm, d = 4 cm, and e = 2 cm.
Calculate the area of this figure. https://ibb.co/qNNtWGY - answer77.14 cm²
Referring to the triangle ABC below, the ratio of opposite side/hypotenuse for angle B is
called the: https://ibb.co/D87JhqR - answer Sine of angle B or Sin B
A column 10 cm diameter and 2 m long is subject to a compression force of 800 kN,
which shortens the column 1 mm. Find the modulus of elasticity. - answer203.72 GPa
Ultimate tensile strength designed into an object must be: - answer Greater than the
allowable working stress
In the petrochemical industry many different products are developed by: - answer
Polymerization reactions, which combine small molecules to make larger ones
A word that refers to the change in the position of a body, relative to some reference
point is: - answer Displacement
A 5000 litre oil tank contains 60 liters of water. If the water is drained off and replaced
with fresh oil of relative density 0.95, what is the change in the mass of the tank's
contents? - answer3 kg
Grey cast iron is used for large motor and compressor bases because it: -
answerDampens vibration and sound well and it is strong in compression and shear
If the factor of safety was increased on an object from 4 to 5, the load on the object
operating at maximum safe working conditions: - answerMust be reduced from the
original.
What is the angle of inclination of a stairway with the floor, if the steps have a tread of
20 cm and a rise of 18 cm as illustrated in the sketch? - answer42 degrees
A tire that turned two and three quarter (2 ¾) revolutions has turned an equivalent of
___________ radians. - answer17.28
Referring to the figure below, the hypotenuse is the side: - answerc
The formula mass for Na2SO4 is: - answer142
The material balance drawing usually accompanies a/an: - answerProcess Flow
Diagram
A/an _____ process is one that has no temperature increase or decrease during the
process. - answerIsothermal
, Material Balances are usually shown in terms of moles per unit of time because: -
answerA mole of a substance will not change regardless of the phase, pressure or
temperature
A steel bar is 4 m long, and has a rectangular cross section of 3 cm x 4 cm. It is in
tension from a force of 360 kN. Find the stress induced. - answer300 MPa
The mechanical property that determines whether a material will break or stand up
under a sudden impact or hard blow is: - answerToughness
The hardness of a material includes its ability to: - answerResist penetration
A sector has sides of 5 m and an angle of 36°. Calculate the area of the sector.
https://ibb.co/x23Tw44 - answer7.854 m²
Galvanic corrosion occurs when one metal is electrically connected to another metal in
the same:
1. Area of the boiler or vessel
2. Electrolyte
3. Fluid
4. Family of metals - answer1, 2
Three identical bolts are required to carry a total load of 6.75 t. If the stress allowed in
the material is 55,900 kPa, calculate the minimum diameter of each bolt. - answer22.4
mm
Young's Modulus may be applied to which of the following applied loadings? -
answerCompression
From the dimensions shown on the sketch find the area of the shaded segment.
https://ibb.co/3470xcB - answer3.168 m²
Acids in solution produce an excess of _____ ions having a positive electrical charge. -
answerHydrogen
65 kg of water at 26°C is poured into 15 kg of ice at -6°C. The resulting temperature of
the mixture is: - answer5.53°C
A gas expands adiabatically from 1025 kPa abs to 225 kPa abs, with an expansion
index of 1.42. If its volume increases from 1.5 m³ to 4.05 m³, find the amount of
available work performed. - answer1491.07 kJ
In the following plane figure, a = 5 cm, b= 2 cm, c= 3 cm, d = 4 cm, and e = 2 cm.
Calculate the area of this figure. https://ibb.co/qNNtWGY - answer77.14 cm²
