Podcast
Questions and Answers
What is the circumference of a circle with an area of 89.42 square inches?
What is the circumference of a circle with an area of 89.42 square inches?
What is the interior angle of a regular hexagon?
What is the interior angle of a regular hexagon?
According to the Pythagorean theorem, how is the relationship between sides in a right triangle expressed?
According to the Pythagorean theorem, how is the relationship between sides in a right triangle expressed?
What is the x-intercept of the line that passes through the points (1,4) and (4,1)?
What is the x-intercept of the line that passes through the points (1,4) and (4,1)?
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In calculus, which branch deals with functions that can be integrated?
In calculus, which branch deals with functions that can be integrated?
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What is the required power to transfer 90,000 coulombs of charge through a potential rise of 50 volts in one hour?
What is the required power to transfer 90,000 coulombs of charge through a potential rise of 50 volts in one hour?
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What type of force pulls a body moving in a circular path away from the center?
What type of force pulls a body moving in a circular path away from the center?
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What is the calculation for stress if a force of 10 N is applied to a circular rod with a diameter of 0.254 m?
What is the calculation for stress if a force of 10 N is applied to a circular rod with a diameter of 0.254 m?
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Which law describes the relationship between current, voltage, and resistance in an electrical circuit?
Which law describes the relationship between current, voltage, and resistance in an electrical circuit?
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What is the term for the process of repairing tire cracks and punctures by applying a rubber patch and then subjecting it to heat and pressure?
What is the term for the process of repairing tire cracks and punctures by applying a rubber patch and then subjecting it to heat and pressure?
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Which of the following best describes the term BOD in the context of microbiology?
Which of the following best describes the term BOD in the context of microbiology?
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Which law states that for every action, there is always an equal and opposite reaction?
Which law states that for every action, there is always an equal and opposite reaction?
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What does the acronym PPE refer to in safety management?
What does the acronym PPE refer to in safety management?
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What is defined as the ratio of tensile stress to tensile strain and is sometimes called Young's Modulus?
What is defined as the ratio of tensile stress to tensile strain and is sometimes called Young's Modulus?
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What is the equivalent of Joules per second in terms of energy units?
What is the equivalent of Joules per second in terms of energy units?
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What is the ratio of power output to power input of an engine, usually expressed as a percentage?
What is the ratio of power output to power input of an engine, usually expressed as a percentage?
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What is the term for the mass over volume measurement of how tightly a material is packed together?
What is the term for the mass over volume measurement of how tightly a material is packed together?
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What does the term 'junk value' refer to in economics?
What does the term 'junk value' refer to in economics?
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What is the relationship between vertical distance and horizontal distance often expressed as rise over run?
What is the relationship between vertical distance and horizontal distance often expressed as rise over run?
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What is the coefficient of restitution for a perfectly elastic collision?
What is the coefficient of restitution for a perfectly elastic collision?
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What is the unit of luminous intensity?
What is the unit of luminous intensity?
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What is the energy something possesses by virtue of its motion?
What is the energy something possesses by virtue of its motion?
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What is the SI unit of energy?
What is the SI unit of energy?
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This law states that pressure and volume are inversely proportional while temperature remains constant.
This law states that pressure and volume are inversely proportional while temperature remains constant.
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What is the value of Faraday's constant?
What is the value of Faraday's constant?
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What type of mirror curves inward and converges parallel light to a single real focal point?
What type of mirror curves inward and converges parallel light to a single real focal point?
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If the Reynolds number is less than 2100, what is the classification of fluid flow?
If the Reynolds number is less than 2100, what is the classification of fluid flow?
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What is the longest side of a right triangle?
What is the longest side of a right triangle?
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What refers to the amount of a product made available for sale?
What refers to the amount of a product made available for sale?
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Study Notes
Units and Conversions
- Unit of luminous intensity is candela
- Energy possessed by virtue of motion is kinetic energy
- Coefficient of restitution for perfectly elastic collision is 1
- Total luminous flux radiated by a 1 candela source is 1 lumen
- Minor that curves inward, converging parallel light to a single focal point is a concave lens
- Property that allows metal to be rolled without breaking is ductility
- Elements with properties intermediate between metals and non-metals are metalloids
- Person who predicted Bose-Einstein condensate in 1924 was Satyendra Nath Bose
- Value of Avogadro's number approximately is 6.022 x 1023 mol-1
- Faraday's constant is the charge per mole of electrons (96,485 Coulombs/mole)
- Branch of engineering mechanics that studies stationary rigid bodies is statics
- Product of a scalar and a vector is a vector
- Unit of force, Newton, is equivalent to kg⋅m/s2
- Time rate of change of velocity is acceleration
- Parallel forces with same magnitude but opposite senses are called a couple
- Process with constant temperature is isothermal
- Law stating pressure and volume are inversely proportional while temperature remains constant is Boyle's Law
Pressure, Energy, and Fluid Flow
- 1 atm is equivalent to 101,325 Pascals
- SI unit of energy is the joule
- Principle stating energy cannot be created or destroyed, only transferred is the law of conservation of energy
- Reynolds number less than 2100 indicates laminar flow
- Volumetric flow rate (Q) is equal to the area (A) multiplied by the velocity (V). Q = A * V
- Unit for resistance of fluid flow is the poiseuille (Pa·s)
- Surface tension causes raindrops to be spherical
- Low NPSHa compared to NPSHr in centrifugal pumps causes cavitation
- Amount of product available for sale is supply
- Uniform series of equal payments is an annuity
- Combination of carbon and iron is steel
- Ratio of maximum load to original cross-sectional area in tension test is stress
- Longest side of a right triangle is the hypotenuse
- Solutions for two simultaneous linear equations involving x and y are determined by solving the resulting equations.
- Factors of a² - x² are (a-x) and (a+x )
- The logarithm of the product of two numbers is equal to the sum of the logarithms of the numbers
- Number of ways to arrange 6 distinct books in a bookshelf is 720 (6!)
Mechanics, Geometry, and Thermodynamics
- A coin tossed 3 times, the probability of getting 3 tails is 1/8
- Angles between 0° and 90° are acute angles
- Circumference of a circle with area 89.42 square inches is 47.07 inches
- Interior angle of a hexagon is 120°
- Theorem stating that in right triangles the sum of squares of sides is equal to square of hypotenuse is the Pythagorean theorem
- X intercept of line passing through points (1,4) and (4,1) is 5
Additional Topics
- Data transfer instruction using register indirect addressing mode is used in assembly language programming
- Intel 8085 fabricated as a 40-pin DIP IC is true
- Technological trend where transistor power density remains constant despite smaller size is Moore's Law; power density may not always stay constant.
- Power required to transfer charge through potential rise is dependent on the Coulombs of charge (Q), the voltage (V), and time interval (t); Power (P) = Q *V / t
- Force pulling body from circular path is centripetal force
- Force per unit area is stress
- Ratio of successful outcome to total possible outcomes is probability
- Expression of power output relative to input is efficiency
- Material failure under repeated loading is fatigue
- PPE is personal protective equipment, protecting workers on the job.
- Used in electronic devices, conducting electrical current under certain conditions is a semiconductor
- Mass per unit volume is density
- Statement for every action there is an equal and opposite reaction is Newton's Third Law of Motion
- Product of mass and velocity is momentum
- Ratio of tensile stress to tensile strain is Young's Modulus.
- Amount of 12,800 Philippine Pesos invested at 5% compounded quarterly for 4 years is a simple or compound interest problem that can be solved using the compound interest formula.
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Description
Test your knowledge on fundamental physics units and conversions with this quiz. Covering topics like kinetic energy, luminous intensity, and properties of materials, this quiz will help you reinforce your understanding of key concepts in physics. Perfect for students of all levels!
