Day 1 Flashcards
What is the main purpose of the Solid Waste Management Act (RA 9003)?
A. To regulate the disposal of hazardous waste
B. To regulate the disposal of all types of waste
C. To regulate the production of waste
D. To regulate the trasnport of waste
B. To regulate the disposal of all types of waste
What is the priciple of segregation at source in solid waste management?
A. The seperation of different types of waste at the source of generation
B. The mixing of different types of waste at the source of generation
C. The disposal of waste at the source of generation
D. The transport of waste to a central types of waste at the source of generation
A. The seperation of different types of waste at the source of generation
What is the responsibility of the Local Government Unit (LGU) in solid waste management under RA 9003?
A. To provide a central disposal facility for waste
B. To enforce the segregation of waste at the source
C. To provide waste collection serviced
D. All of the above
D. All of the above
What is the main difference between exothermic and endothermic reactions?
A. Exothermic reactions release energy, while endothermic reactions absorb energy.
B. Endothermic reactions release energy, while exothermic reactions absorb energy.
C. Exothermic reactions absorb energy, while endothermic reactions release energy.
D. There is no difference between exothermic and endothermic reactions.
A. Exothermic reactions release energy, while endothermic reactions absorb energy.
What os the meaning of the term “equilibrium” in physical chemistry?
A. A state in which the rate of chemical reaction is equal to the rate of its reverse action.
B. A state in which all chemical reactions have stopped.
C. A state in which all chemical reactions are proceeding at maximum rate.
D. A state in which the properties of a system remain constant over time.
A. A state in which the rate of chemical reaction is equal to the rate of its reverse action.
What is a first-order linear differential equation?
A. A differential equation that involves only the first derivatinve and is nonlinear.
B. A differential equation that involves only the first derivative ans is linear.
C. A differentail equation that involves higher-order derivatives and is linear.
D. A differential equation that involves higher-orfer derivatives and is nonlinear.
B. A differential equation that involves only the first derivative ans is linear.
What is the formula for calculating the kinetic energy of an object?
A. KE = mv^2
B. KE = mgh
C. KE = mc^2
D. KE = 0.5mv^2
D. KE = 0.5mv^2
Which of the following is not a renewabel source of energy?
A. Solar energy
B. Hydro energy
C. Nuclear energy
D. Wind energy
C. Nuclear energy
What is the process by which plants convert light energy into chemical energy?
A. Repsitation
B. Transpiration
C. Fermentation
D. Photosynthesis
D. Photosynthesis
What is the type of heat transfer occurs as a result of the emission and absorption of electromagnetic waves?
A. Convection
B. Radiation
C. Conduction
D. Evaporation
B. Radiation
What is the type of control strategy involves measuring the deviation of a process variable from a set point and using this information to adjust the process accordingly?
A. Open loop control
B. Feedback control
C. Feedforward control
D. Cascade control
B. Feedback control
What type of control strategy involves using a predicted disturbance in the process to make a corrective adjustment in advance?
A. Open loop control
B. Feedback control
C. Feedforward control
D. Cascade control
C. Feedforward control
What type of cintrol strategy involves using the output of one control loop as the set point for another control in a hierarchiral arrangement?
A. Open loop control
B. Feedback control
C. Feedforward control
D. Cascade control
D. Cascade control
Which type of chemical bond forms when electrons are shared between two atoms?
A. Ionic bond
B. Covalent bond
C. Hydrogen bond
D. Metallic bond
B. Covalent bond
What type of chemical bond forms between a metal and a non-metal atom?
A. Ionic bond
B. Covalent bond
C. Hydrogen bond
D. Metallic bond
A. Ionic bond
What type of mass transfer as occurs as a result of random molecular motion?
A. Convection
B. Diffusion
C. Afvection
D. Solute transport
B. Diffusion
What type of chemical bond forms between two or more non-metal atoms with a partially positive hydrogen atom?
A. Ionic bond
B. Covalent bond
C. Hydrogen bond
D. Metallic bond
C. Hydrogen bond
What is the main objective of process design in a chemical plant?
A. To optimize the production efficiency
B. To minimize the environmental impact
C. To ensure safety of workers
D. To minimize production costs
D. To minimize production costs
What type of statistical analysis is used to identify relationship between multiple independent variables and a single dependent variable?
A. chi-squared test
B. t-test
C. ANOVA
D. regression analysis
D. regression analysis
What type of statistical analysis is used to compare the means of three or more groups?
A. chi-squared test
B. t-test
C. ANOVA
D. regression analysis
C. ANOVA
What method is used to determine the present value of an investment, based on its future cah flows and a discount rate?
A. Present worth analysis
B. Future worth analysis
C. Annual worth analysis
D. Benefit-cost analysis
A. Present worth analysis
What type of annuity pays equal at intervals, has a fixed term, and starts payments immediately?
A. Ordinary annuity
B. Annuity due
C. Perpetuity
D. Growing annuity
B. Annuity due
What is the formula for calculating the present value of an ordinary annuity?
A. FV = PV(1+r)^n
B. PV = FV/(+r)^n
C. PV = FV(1+r)^-n
D. PV = FV/((1+r)^n-1)
D. PV = FV/((1+r)^n-1)
A company is considering the purchase of a new piece of equipment for $100,000. the equipment is expected to provide benefit for 5 years, with an expected cash flow of $30,000 per year. What is the internal rate of return (IRR) for the investmen?
A. 8%
B. 10%
C. 12%
D. 15%
C. 12%