admin

In petrol engine, using a fixed octane rating fuel and fixed compression ratio, supercharging will __________ the knocking tendency.

by
Question: In petrol engine, using a fixed octane rating fuel and fixed compression ratio, supercharging will __________ the knocking tendency.
[A].

not effect

[B].

decrease

[C].

increase

Answer: Option C

Explanation:

No answer description available for this question.

In petrol engines, using a fixed octane rating fuel, the increase in compression ratio will not effect the knocking tendency.

by
Question: In petrol engines, using a fixed octane rating fuel, the increase in compression ratio will not effect the knocking tendency.
[A].

Agree

[B].

Disagree

Answer: Option B

Explanation:

No answer description available for this question.

A few states in this country are considering legislation that would prohibit schools from using calculators before the sixth grade. Other states take a different position. Some states are insisting on the purchase of graphing calculators for every student in middle school. This paragraph best supports the statement that in this country

by
Question: A few states in this country are considering legislation that would prohibit schools from using calculators before the sixth grade. Other states take a different position. Some states are insisting on the purchase of graphing calculators for every student in middle school.
This paragraph best supports the statement that in this country
[A].

there are at least two opinions about the use of calculators in schools.

[B].

calculators are frequently a detriment to learning math.

[C].

state legislators are more involved in education than ever before.

[D].

the price of graphing calculators is less when schools buy in bulk.

Answer: Option A

Explanation:

The paragraph clearly states that there are two differing opinions with regard to the use of calculators in the classroom. Although some people may believe that choice b is true, the paragraph does not indicate this. Choice c has no relation to the paragraph. Choice d makes logical sense, but the paragraph says nothing about cost. Choice e is an opinion that is not given in the paragraph.

A fuel of an octane number rating of 75 matches in knocking intensity as a mixture of

by
Question: A fuel of an octane number rating of 75 matches in knocking intensity as a mixture of
[A].

75% iso-octane and 25% normal heptane

[B].

75% normal heptane and 25% iso-octane

[C].

75% petrol and 25% diesel

[D].

75% diesel and 25% petrol

Answer: Option A

Explanation:

No answer description available for this question.

In the past, consumers would rarely walk into an ice cream store and order low-fat ice cream. But that isn’t the case today. An increasing health consciousness combined with a much bigger selection of tasty low-fat foods in all categories has made low-fat ice cream a very profitable item for ice cream store owners. This paragraph best supports the statement that

by
Question: In the past, consumers would rarely walk into an ice cream store and order low-fat ice cream. But that isn’t the case today. An increasing health consciousness combined with a much bigger selection of tasty low-fat foods in all categories has made low-fat ice cream a very profitable item for ice cream store owners.
This paragraph best supports the statement that
[A].

low-fat ice cream produces more revenue than other low-fat foods.

[B].

ice cream store owners would be better off carrying only low-fat ice cream.

[C].

ice cream store owners no longer think that low-fat ice cream is an unpopular item.

[D].

low-fat ice cream is more popular than other kinds of ice cream.

Answer: Option C

Explanation:

This choice is supported as the best answer because the paragraph indicates that low-fat ice cream was once an unpopular item, but now, because consumers are more health conscious and because there is a wider array of tasty low-fat foods, low-fat ice cream is a profitable item for ice cream store owners. There is no indication that choices a, b, d,or e are true based on the information given.