UrbanPro
true

Take Engineering Diploma Tuition from the Best Tutors

  • Affordable fees
  • 1-1 or Group class
  • Flexible Timings
  • Verified Tutors

Engine

Rahul Kumar
20/04/2017 0 0

For a spark ignition engine, the equivalence ratio ()φof mixture entering the
combustion chamber has values:

(A) 1 < φ for idling and 1 > φ for peak power conditions
(B) 1 > φ for both idling and peak power conditions
(C) 1 > φ for idling and 1 < φ for peak power conditions
(D) 1 < φ for both idling and peak power conditions.

 

 A diesel engine is usually more efficient than a spark ignition engine because:

(A) diesel being a heavier hydrocarbon, releases more heat per kg than
gasoline
(B) the air standard efficiency of diesel cycle is higher than the Otto cycle,
at a fixed compression ratio
(C) the compression ratio of a diesel engine is higher than that of an SI
engine
(D) self ignition temperature of diesel is higher than that of gasoline

0 Dislike
Follow 0

Please Enter a comment

Submit

Other Lessons for You

demodulation
Demodulation is the act of removing the modulation from an analog signal to get the original baseband signal back. Demodulating is necessary because the receiver system receives a modulated signal with...

Voltage and Current
Voltage is the difference in electrical potential between two points in space. It is a measure of the amount of energy gained or lost by moving a unit of positive charge from one point to another. Voltage...

Computing in Context
A working knowledge of the major hardware and software components of computer systems is necessary for the study of computer science. These topics need not be covered in detail, but they should be addressed...

Differentiating 2(x^2) using first principle
Differentiate 2x² using first principle We know from first principle that dy/dx f(x) = lim δx→0 /δx Here f(x) = 2 x² substituting 2x² in place of x in the equation above lim...

Types of forces and moments of force
A free body diagram is a diagram showing all the forces and moments of forces acting on an object. We distinguish between two types of objects: 1. Particles that have no spatial extent and thus have no...
X

Looking for Engineering Diploma Tuition Classes?

The best tutors for Engineering Diploma Tuition Classes are on UrbanPro

  • Select the best Tutor
  • Book & Attend a Free Demo
  • Pay and start Learning

Take Engineering Diploma Tuition with the Best Tutors

The best Tutors for Engineering Diploma Tuition Classes are on UrbanPro

This website uses cookies

We use cookies to improve user experience. Choose what cookies you allow us to use. You can read more about our Cookie Policy in our Privacy Policy

Accept All
Decline All

UrbanPro.com is India's largest network of most trusted tutors and institutes. Over 55 lakh students rely on UrbanPro.com, to fulfill their learning requirements across 1,000+ categories. Using UrbanPro.com, parents, and students can compare multiple Tutors and Institutes and choose the one that best suits their requirements. More than 7.5 lakh verified Tutors and Institutes are helping millions of students every day and growing their tutoring business on UrbanPro.com. Whether you are looking for a tutor to learn mathematics, a German language trainer to brush up your German language skills or an institute to upgrade your IT skills, we have got the best selection of Tutors and Training Institutes for you. Read more