Bioprocess Engineering Errors Data Calculations Online Exam Quiz
Bioprocess Engineering Errors Data Calculations GK Quiz. Question and Answers related to Bioprocess Engineering Errors Data Calculations. MCQ (Multiple Choice Questions with answers about Bioprocess Engineering Errors Data Calculations
Which of the following is correct according to calculating relative error as a measure of Precision?
Options
A : (Absolute error/ True value)*100
B : (Absolute error/True value)
C : (measurement being taken/Absolute error)*100
D : (Absolute error/measurement being taken)
If a student measured the mass of an object on a balance three times and obtained the values 14.568 g, 14.566 g, and 14.565 g, the range and percent of the average value between the measurements would be ____________
Options
A : 0.005gm, 0.01%
B : 0.004gm,0.02%
C : 0.003gm,0.02%
D : 0.001gm,0.01%
You are given a cube of pure copper. You measure the sides of the cube to find the volume and weigh it to find its mass. When you calculate the density using your measurements, you get 8.78 grams/cm3. Coppers accepted density is 8.96 g/cm3. What is your percent error?
Options
A : 1%
B : 0.02%
C : 0.01%
D : 2%
The accepted value for the density of gold metal is 19.31 g/cm3. If a student measured the mass and volume of a sample of gold, and obtained a value of 19.03 g/cm3, the percent difference would be ______
Options
A : -1.5%
B : 1.5%
C : -0.5%
D : 0.5%
A piece of iron rod was measured and found to be 120cms. But the actual value of the wood is 123cms. Find the relative error?
Options
A : 3%
B : 2.5%
C : 2.43%
D : 3.43%
Round off the number 425.68 to Tenths (1 decimal place), Hundredths (2 decimal place) and to Tens place?
Options
A : 425.6, 425.68, 426
B : 425.7, 425.68, 430
C : 425.5, 426.78, 425
D : 425.7, 4257, 430
What type of surface you would observe in the case of mercury with glass?
Options
A : Concave meniscus
B : Convex meniscus
C : Contact angle = 180°
D : Contact angle = 0°
What is the rounding off of a number?
Options
A : To change a number to its nearest prime number
B : To change a number to its nearest odd number
C : To change a number to its nearest whole number
D : To change a number to its nearest even number
You will read the meniscus reading as you measure the level at the horizontal center or inside part of the meniscus.
Options
A : True
B : False
C :
D :
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