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This quiz contains multiple-choice problems on unit systems and conversions, dimensional consistency, significant figures, mole and molecular weights, density and specific gravity, concentration, temperature, flow rate and pressure.
Which of the following is not a dimension?
Length
Mass
Time
Kelvin
Fundamental dimensions cannot be measured independently. True or false?
True
False
Below given statements are:
(i). Fundamental units are not those that can be measured independently
(ii). Derived units are those that can be developed in terms of fundamental units
How many factual statements are present here?
0
1
2
__ are the general expressions of measurement characteristics.
Units
Dimensions
Neither units nor dimensions
None of the above
__ are the means of explicitly expressing the dimensions.
Units
Dimensions
Significant figures
None of the above
Which of the following are/is a unit(s)?
feet
second
squared meter
All of the above
When quantities with units are added or subtracted, they need to be expressed in the __ unit.
Different
Same
Derived
Fundamental
J/kg.K is
A S.I unit
An A.E unit
Neither a S.I nor an A.E unit
None of the above
__ should not be used in symbols for compound units.
Parentheses
Hyphens
Exponents
None of the above
__ dimensions can be developed in terms of fundamental dimensions.
Fundamental
Derived
Unit
None of the above
__ are statements of equivalent values of different units in the form of ratios.
Fraction factor
Conversion factor
Expand factor
None of the above
Which of the following are/is an incorrect conversion(s)?
1 inch = 2.54 cm
1 mile = 5280 ft
1 ft. = 12 inch
None of the above
A car is travelling at a speed of 550 ft/sec. How fast is it going in miles per hour?
375
750
900
1800
Oil is flowing through a 4-inch diameter pipe with a velocity of 6 ft/s. The flow rate gallon per minute and kinetic energy of water in (ft)(lbf)/lbm are respectively
469.92 and 1.12
352.44 and 0.84
234.96 and 0.56
117.48 and 0.28
What is the potential energy of a box in (ft)(lbf), kept 20ft up a wall above the surface? Assume that the mass of the box is 100 lb.
1000
2000
3000
4000
