« previous next »

Author Question: What are the by-products (emissions) from a fuel cell? A) CO2 B) Nonmethane hydrocarbon C) CO D) ... (Read 99 times)

bb

  • Hero Member
  • *****
  • Posts: 544
on: Jun 23, 2018
What are the by-products (emissions) from a fuel cell?
 
  A) CO2 B) Nonmethane hydrocarbon
  C) CO D) Water

Question 2

One cylinder of an automotive four-stroke cycle engine completes a cycle every ________.
 
  A) 720 degree B) 360 degree C) 180 degree D) 90 degree


Yixagurpuldink

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jun 23, 2018
Answer to Question 1

D

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

A single base substitution leading to a single amino acid substitution in the hemoglobin beta chain A single base substitution leading to a single amino acid substitution in the hemoglobin beta chain
Membrane potential of muscle cell Membrane potential of muscle cell
Selected Natural Products Selected Natural Products
Organization of plant cell walls Organization of plant cell walls
Disitive Time For Milk Products Disitive Time For Milk Products
An electrochemical cell is based on these two half-reactions An electrochemical cell is based on these two half-reactions
Video: How a Urinalysis is Performed

For a complete list of videos, visit our video library