DAY 3 YARN Flashcards
(195 cards)
At which range of angle will the scalar product of two vectors be positive?
A. 0 to 90 degrees
B. 90 to 180 degrees
C. 45 to 135 degrees
D. 0 to 180 degrees
A. 0 to 90 degrees
Which of the following will have a larger speed value just as before the object hits the ground?
A. Throwing the object upward with the same speed “v” at a level “T”
B. Throwing the object downward with the same speed “v” at the same level “T”
C. None of the above, because they will have the same speed before hitting the ground
D. Cannot be calculated, because the mass of the object is not given
C. None of the above, because they will have the same speed before hitting the ground
When will the maximum range be achieved?
A. When the flight is parabolic
B. When the object experiences horizontal motion
C. When the maximum height is three time of the range
D. When the object is launched with equal initial horizontal and vertical speeds
D. When the object is launched with equal initial horizontal and vertical speeds
Which Newton’s law best explains how rockets can take off?
A. First
B. Second
C. Third
D. None
C. Third
A stone is thrown up at a velocity and comes down, what is the change in kinetic energy of the stone?
A. Positive
B. Negative
C. Zero
D. Cannot say
C. Zero
Who first stated the work-kinetic energy theorem?
A. Isaac Newton
B. Gaspard de Coriolis
C. Jean Victor Poncelet
D. René Descartes
B. Gaspard de Coriolis
This is a method of transferring energy to a system by applying a force to the system and causing a displacement at the point of application of the force.
A. work
B. heat
C. momentum
D. kinetic energy
A. work
It states that if work is done on a system by external forces and the only change in the system is its speed, then the total work is the difference between the final and initial kinetic energies.
A. Conservation of momentum
B. Conservation of kinetic energy
C. Work-kinetic energy theorem
D. Mechanical energy conservation
C. Work-kinetic energy theorem
The moment of inertia of a solid cylindrical rod when rotated about an end is _______ when rotated about its center.
A. the same
B. two times larger
C. three times larger
D. four times larger
D. four times larger
These beams simply extend beyond its support.
A. fixed
B. overhanging
C. composite
D. cantilever
B. overhanging
In this method of sampling, the population is divided into distinct subgroups based on certain characteristics that are relevant to the research question. Then, random samples are independently drawn from each subgroup.
A. Systematic Sampling
B. Stratified Sampling
C. Composite Sampling
D. Cluster Sampling
B. Stratified Sampling
Which of the following are characteristics of a good measure of dispersion?
A. It should be easy to calculate.
B. It should be based on all the observations within a series.
C. It should not be affected by the fluctuations within the sampling.
D. All of the above.
D. All of the above.
Which of the following does not correctly describe a normal distribution?
A. The total area under the curve of a normal distribution is 100%.
B. According to empirical rule, around 95% of the data lies within 1 standard deviation away from the mean.
C. The most frequent data is equal to the mean.
D. None of the above.
B. According to empirical rule, around 95% of the data lies within 1 standard deviation away from the mean.
It states that for any given value k > 1, at least 1-1/k of the data lies within k standard deviations from the mean.
A. Chebyshev’s theorem
B. Bayesian theorem
C. Central limit theorem
D. Law of Large Numbers
A. Chebyshev’s theorem
What is the main purpose of a safety valve in a piping system?
A. To regulate the flow rate
B. To maintain pressure
C. To relieve excess pressure
D. To control the chemical composition of the fluid
C. To relieve excess pressure
__________ results when the pressure wave from a blast origin moves at a speed less than the speed of sound in the ambient gas, while __________ results when the pressure wave moves at a speed greater than the speed of sound in the ambient gas.
A. Blast wave; detonation
B. Shock wave; blast wave
C. Deflagration; detonation
D. Detonation; deflagration
C. Deflagration; detonation
Which of the following is NOT included in the 5P’s of CGMP?
A. Premises
B. Procedure
C. Product
D. Paper trail
D. Paper trail
FMEA is a systematic study of the causes of failures and their effects. All causes or modes of failure are considered for each element of a system, and then all possible outcomes or effects are recorded. What does FMEA mean?
A. Fault Mode and Effect Analysis
B. Failure Mode and Element Analysis
C. Failure Mode and Effects Analysis
D. Fast Mode and Element Analysis
C. Failure Mode and Effects Analysis
In the concept of process safety, IPLs are safeguards in the process that either prevent or mitigate the scenario being evaluated. What does IPL mean?
A. Independent Protection Layer
B. Intensive Protection Layer
C. Independent Process Layer
D. Intensive Process Layer
A. Independent Protection Layer
HAZOP is a formal hazard identification and evaluation procedure designed to identify hazards to people, process plants, and the environment. What does HAZOP mean?
A. Hazard and Operability Study
B. Health Optimization Study
C. Hazard Optimization Process
D. Hazard Optimization Process
A. Hazard and Operability Study
HIRA has been defined to include all activities required to identify hazards, to identify potential loss event scenarios, and to evaluate the risks of a facility throughout its life cycle, to ensure that all risks to employees, the public, or the environment are properly managed. What does HIRA mean?
A. Hazard Identification and Risk Assessment
B. Hazard Identification and Risk Analysis
C. Hazard Internal Reaction Analysis
D. Hazard Inclusion Reaction Assessment
B. Hazard Identification and Risk Analysis
_______ is a systematic approach in which food safety is addressed through the analysis and control of biological, chemical, and physical hazards from raw material production, procurement and handling, to manufacturing, distribution and consumption of the finished product.
A. ISO 45000:2018
B. HACCP
C. OSHA Occupational Health Standards
D. None of the above
B. HACCP
The risk is considered tolerable for a given activity by those responsible for managing or regulating the operation of a hazardous facility.
A. Analyzed Risk
B. Activated Risk
C. Accepted Risk
D. Assessed Risk
C. Accepted Risk