3RD TSSA PART 3A1 - TEST (II)
QUESTIONS AND ANSWERS
In the expression 4² = 16, the number '4' is called the _____ of 16. - Correct Answers -
Square root.
Construction drawings will be drawn to scale and will show: - Correct Answers -Three
different views, usually plan, front and side view
In the given triangle, calculate the ratio of BC to AC, when angle ADC = 40 degrees,
angle BDC = 20 degrees, angle ACD = 90 degrees, and side DC = 8m.
https://ibb.co/C9ydKct - Correct Answers -0.434
The common logarithm of a number is _________ times its natural logarithm. - Correct
Answers -2.3026.
The boiling point of water on the Kelvin scale is: - Correct Answers -373
The material balance table provides the: - Correct Answers -Pressure, temperature,
composition and flow rates of the various process streams
An airplane travels 1000 km eastwards for 2 hours. Its average speed in m/s is: -
Correct Answers -138.89 m/s
Compounds that are classified as acids have which of the following characteristics?
1. They have a soapy feeling
2. They have a sour taste
3. They change blue litmus paper red
4. They will conduct electricity - Correct Answers -2, 3, 4
The power required to drive a pump which has an output of 15 kW and an efficiency of
90% is: - Correct Answers -16.67 kW
A rhomboid is a plane figure that has four (4) sides, with: - Correct Answers -Opposite
sides parallel and opposite angles equal
Referring to the diagram below, the point marked as 3 represents
https://ibb.co/JpsBDn9 - Correct Answers -Dry saturated steam
, An I-beam under compressive load is, found to be 0.023 mm shorter than the original
length. Given the original length we can find the: - Correct Answers -Linear strain
Heat transfer due to movement of a fluid is called: - Correct Answers -Convection
Molten pig iron is used to produce: - Correct Answers -Cast iron, wrought iron and steel
A body with a gravitational force of 2000 N is pulled along a horizontal surface at
constant speed by a rope, which makes an angle of 20° above the horizontal. If the
force on the rope is 150 N, the coefficient of sliding friction is: - Correct Answers -0.0704
A steel storage tank is 5 m long, 2 m wide and 4 m high. It is 60% full of ethylene glycol
with a relative density of 1.1. What is the force load exerted by the fluid on one end? -
Correct Answers -62.2 kN
White metal used for slow speed and light load applications is composed of: - Correct
Answers -10% tin, 15% antimony and 75% lead
The energy that a body contains due to its motion is referred to as: - Correct Answers -
Kinetic
MgCl2 + Na2Z --> In a balanced equation for this reaction, the product side should be
shown as: - Correct Answers -MgZ + 2NaCl
A material that is able to stand up under a sudden impact or hard blow is described as: -
Correct Answers -Tough or having high impact strength
If the temperature of a mild steel bar 10 m long is increased from 15 to 75°C, the
change in length will be: - Correct Answers -7.2 mm
The figure below shows a hydraulic jack system used for hoisting cars. Assuming the
pressure of the air is equal to the pressure on the piston, the piston diameter of 27.5
cm, and the pressure value of 600 kPa that compressor can generate, what is the
maximum load (in Newtons) the piston can raise? https://ibb.co/jG8r06G - Correct
Answers -35.64 kN
One radian is equal to: - Correct Answers -57.3 degrees
Expansion will result in an increase in a body's surface as well as its: - Correct Answers
-Volume
A straight aluminum wire 60 m long is subjected to a stress of 90 MPa. Determine the
total elongation of the wire. Assume E = 70 GPa. - Correct Answers -77.14 mm
The common and Naperian logarithms for the number 272 are: - Correct Answers -
2.4346, 5.6058
QUESTIONS AND ANSWERS
In the expression 4² = 16, the number '4' is called the _____ of 16. - Correct Answers -
Square root.
Construction drawings will be drawn to scale and will show: - Correct Answers -Three
different views, usually plan, front and side view
In the given triangle, calculate the ratio of BC to AC, when angle ADC = 40 degrees,
angle BDC = 20 degrees, angle ACD = 90 degrees, and side DC = 8m.
https://ibb.co/C9ydKct - Correct Answers -0.434
The common logarithm of a number is _________ times its natural logarithm. - Correct
Answers -2.3026.
The boiling point of water on the Kelvin scale is: - Correct Answers -373
The material balance table provides the: - Correct Answers -Pressure, temperature,
composition and flow rates of the various process streams
An airplane travels 1000 km eastwards for 2 hours. Its average speed in m/s is: -
Correct Answers -138.89 m/s
Compounds that are classified as acids have which of the following characteristics?
1. They have a soapy feeling
2. They have a sour taste
3. They change blue litmus paper red
4. They will conduct electricity - Correct Answers -2, 3, 4
The power required to drive a pump which has an output of 15 kW and an efficiency of
90% is: - Correct Answers -16.67 kW
A rhomboid is a plane figure that has four (4) sides, with: - Correct Answers -Opposite
sides parallel and opposite angles equal
Referring to the diagram below, the point marked as 3 represents
https://ibb.co/JpsBDn9 - Correct Answers -Dry saturated steam
, An I-beam under compressive load is, found to be 0.023 mm shorter than the original
length. Given the original length we can find the: - Correct Answers -Linear strain
Heat transfer due to movement of a fluid is called: - Correct Answers -Convection
Molten pig iron is used to produce: - Correct Answers -Cast iron, wrought iron and steel
A body with a gravitational force of 2000 N is pulled along a horizontal surface at
constant speed by a rope, which makes an angle of 20° above the horizontal. If the
force on the rope is 150 N, the coefficient of sliding friction is: - Correct Answers -0.0704
A steel storage tank is 5 m long, 2 m wide and 4 m high. It is 60% full of ethylene glycol
with a relative density of 1.1. What is the force load exerted by the fluid on one end? -
Correct Answers -62.2 kN
White metal used for slow speed and light load applications is composed of: - Correct
Answers -10% tin, 15% antimony and 75% lead
The energy that a body contains due to its motion is referred to as: - Correct Answers -
Kinetic
MgCl2 + Na2Z --> In a balanced equation for this reaction, the product side should be
shown as: - Correct Answers -MgZ + 2NaCl
A material that is able to stand up under a sudden impact or hard blow is described as: -
Correct Answers -Tough or having high impact strength
If the temperature of a mild steel bar 10 m long is increased from 15 to 75°C, the
change in length will be: - Correct Answers -7.2 mm
The figure below shows a hydraulic jack system used for hoisting cars. Assuming the
pressure of the air is equal to the pressure on the piston, the piston diameter of 27.5
cm, and the pressure value of 600 kPa that compressor can generate, what is the
maximum load (in Newtons) the piston can raise? https://ibb.co/jG8r06G - Correct
Answers -35.64 kN
One radian is equal to: - Correct Answers -57.3 degrees
Expansion will result in an increase in a body's surface as well as its: - Correct Answers
-Volume
A straight aluminum wire 60 m long is subjected to a stress of 90 MPa. Determine the
total elongation of the wire. Assume E = 70 GPa. - Correct Answers -77.14 mm
The common and Naperian logarithms for the number 272 are: - Correct Answers -
2.4346, 5.6058
