The cam lobes in the photograph shown here are for the number one cylinder and its companion on an in-line pushrod engine that rotates counterclockwise when viewed from the rear. The lobes are positioned:

font-weight: normal; ">   

A. At TDC at the beginning of the compression stroke
B. ?At TDC at the beginning of the intake stroke
C. None of the above 

---

Answer: B

Trades & Technology

The sum of the three angles of a triangle is always _____.

a. 90 degrees b. 180 degrees c. 270 degrees d. 360 degrees

Which class of animals normally eats only plant tissue?

A) Herbivores B) Carnivores C) Omnivores

When heating metal, melting takes place as the temperature rises

Indicate whether the statement is true or false.

Adiabatic expansion means:

A) Expanding by applying a strong magnetic field to a polarized substance. B) Expanding by adding heat. C) Expanding without adding heat. D) Expanding through the use of centrifugal force.