# Automotive Technology - Number And Quantity Dynamometer Page 3

Automotive Technology (47.0604) T-Chart
Problems
Occupational (Contextual) Math Concepts
Solutions
1.
Calculate the horsepower of a car with 375 lb. ft. of torque
running at 6400 rpms.
2.
A mechanic uses a dynamometer to simulate an auto mobile
being driven over a mountain pass at 8325 feet in altitude.
The engine is rated at 255 hp at 5200 rpm. What is the loss
in horsepower due to elevation? What would be the Final
HP?
Let’s assume that a car boasts 250 horsepower. When the
3.
engine is running at a speed of 4000 rpms, what should the
torque be?
Problems
Related, Generic Math Concepts
Solutions
4.
Simplify
2
– 10/5
3(5 + 7)
5.
Simplify
5(8 + 2) + (-5 + (2 + 3)(7 – 4))
6.
Simplify
2
2
(5 + 8)
- (7 + 5)
Problems
PA Core Math Look
Solutions
7.
Simplify
(5 + 7 + 3) ÷ (3 + 2)
8.
Simplify
5 + 7 + 3 ÷ 3 + 2
9.
Compare problem #7 with problem #8. Explain how
someone may make the mistake of thinking they are the
same problem.
Originated June 2009
CC.2.1.HS.F.1
Reviewed June 2015
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