Exam (elaborations)
ENGR 103 FINAL EXAM WITH COMPLETE SOLUTION
- Course
- Institution
ENGR 103 FINAL EXAM WITH COMPLETE SOLUTION...
[Show more]
Content preview
ENGR 103 FINAL EXAM WITHCOMPLETE SOLUTION
A ladder leans against a building. The base of the ladder is 6 feet located
from the building. The ladder reaches a vertical height of 15 feet on the
building. What is the length of the ladder? - ANSWER 16 Feet
A cube has a side length of 10.5 m. What is the length of the diagonal from
the bottom front left hand corner to the top back right corner - ANSWER
18.2 m
Convert 6840 kcal/cm^3 to Btu/ft^3 - ANSWER 7.69*10^8 Btu/ft^3
Convert 52.0 mph to mm/s - ANSWER 2.32*10^4 mm/s
Which of the following is correct (true) with respect to dimensions?
A. The 7 fundamental dimensions are meter, second, kilogram, Celsius, mole,
ampere, and Candela.
B. Dimensions and units are synonymous terms in science and engineering .
C. The use of dimensions comes from uncertainty in engineering
measurements used to make calculations.
D. Two terms can be multiplied even if they are not dimensionally
homogeneous.
E. If two terms in an expression have the same dimensions, they must have
the same units. - ANSWER D. Two terms can be multiplied even if they are
not dimensionally homogeneous.
,What must the dimensions of a and k be in order to make equation
4M^3L^-2T=asin(kT^-2M) dimensionally homogeneous? - ANSWER
a=M^3L^-2T^1
k=T^2M^-1
T/F The equation
R=(8u^2l)/(pi*r^3)
is dimensionally homogenous when given the following units for the
variables.
R=kg/m^4*s
u=g/cm*s
l=ft
r=in - ANSWER False
How many significant figures are in the number 0.002? - ANSWER One
How many significant figures are in the number 10.00? - ANSWER Four
How many significant figures are in the answer to 12.01 divided 2? - ANSWER
One
Which skill in the list should students expect from this class, based on the
lectures to date?
A. Proficiency in AutoCAD
B. Learning to differentiate multivariable terms
C. Learning to formulate math
, models of physical things to predict behavior.
D. Elementary Statistical analysis
E. Determining thermal equilibrium for conduction. - ANSWER C. Learning to
formulate math models of physical things to predict behavior
Convert 43,836 Pascals to units of atm. - ANSWER 0.43263
The cross sectional area of the beam is 480 sq in. What is its cross-sectional
are in sq meters? Use engr sig figs for rounding. - ANSWER 3.10*10^-1 sq
meters
An object has a mass of 5.39 slugs. What is its weight on earth in units of lbf
(g=32.2 ft/s^2)? - ANSWER 1.74*10^2 lbf
Convert 83 (kg*m^3)/s to (g*cm^2)/s - ANSWER 8.3 * 10^10 (g*cm^2)/s
What conversion factor converts force to mass? - ANSWER Force cannot be
converted to mass.
An average female chimpanzee weighs 388 N. How much mass does she
have? - ANSWER 39.6 kg
The Philae Lander recently set down on comet 67P Churyumov-Gerasimenko.
Its launch weight (weight on earth) is 220 lbf. How much does it weigh on
comet 67P? (the average acceleration of gravity on comet i67P, g, is
1.64*10^-3 ft/s^2 ) - ANSWER 0.0112 lbf
What is not true about technical sketching?
A. Sketching is usually done freehand
B. You must use drafting tools (or a computer program) for sketching
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Belina. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75759 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now