When using a dynamometer to break in a set of rings on a rebuilt diesel engine, what is the minimum period the engine should be run at maximum power at rpms within its torque rise profile?

A. five minutes
B. ten minutes
C. twenty minutes
D. forty minutes


Answer: C

Trades & Technology

You might also like to view...

Describe the types of projects that would be referred to as heavy construction. Explain what entities are usually responsible for such projects and why.

What will be an ideal response?

Trades & Technology

The first-order AR filter has feedback coefficient a=0.8. The value of the unit-sample response h2 = ________ (x.xx).

Fill in the blank(s) with the appropriate word(s).

Trades & Technology

¿Cuál de las siguientes prácticas es aceptable cuando se utilizan herramientas neumáticas?

a. Las mangueras neumáticas deben ser purgadas o vaciadas antes de conectarlas a las herramientas. b. El suministro de aire se puede cortar temporalmente al doblar la manguera. c. Se pueden utilizar otros gases, por ejemplo, argón y neón en vez de aire. d. Las mangueras neumáticas se pueden reparar con cinta especial para el propósito.

Trades & Technology

What are the advantages of water for use in a thermal energy storage system?

What will be an ideal response?

Trades & Technology