Refractive index of a petrofuel which is the ratio of velocity of light in air to its velocity in the petrofuel gives an indication if its?

Molecular weight
Aromatics content
Both A & B
Neither A nor B

LohaHridoy

6 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 3

Let'

6 views Answered 2022-09-01 13:21

Related Questions

Where cold surface air replaces warm air, the boundary separating the different bodies of air is:?

1 Answers 4 Views

The inter-cooler pressure, for minimum work required, for a two stage reciprocating air compressor, is given by (where p₁ = Intake pressure of air, p₂ = Inter-cooler pressure, and p₃ = Delivery pressure of air)?

1 Answers 8 Views

If p₁, is the pressure of air entering the L.P. cylinder and p₂ is the pressure of air leaving the L.P. cylinder (or inter-cooler pressure), then the ratio of cylinder diameters for a single acting, two stage reciprocating air compressor with complete intercooling is given by (where D₁ = Dia. of L.P. cylinder, and D₂ = Dia. of H.P. cylinder)?

1 Answers 6 Views

According to Kennedy, the critical velocity (V₀) in meters in a channel is the mean velocity which keeps the channel free from silting or scouring. Its value is given by (where m is critical velocity ratio and D is the depth of the channel).?

1 Answers 5 Views

Statement : The air and rail services have been severely disrupted due to thick fog in the northern part of the country. Courses of Action : I. The rail and air services should be temporarily suspended in the region. II. People should be advised to make their travel plan keeping in mind the probable disruption resulting in delay or cancellation of services. III. The government should immediately install modern machines which will enable it to guide the rail and air services even if the thick fog develops.?

1 Answers 4 Views

The process, which causes the air to enter the impeller blades of a centrifugal compressor at ________ velocity (without effecting the mass of air to flow and velocity of flow) is known as prewhirl.?

1 Answers 7 Views

The index which correlates the combined effects of air temperature, relative humidity and air velocity on the human body, is known as?

1 Answers 4 Views

Which of the following has the highest value of refractive index?

1 Answers 4 Views

Directions : In each of the following questions a statement is given, followed by two conclusions. Give answer : Statement : The State Government has abolished the scheme of providing concessional air ticket to students. Assumptions : I. Students will not travel by air in future. II. The students who resort to travel by air can bear the expenses of air ticket.?

1 Answers 5 Views

If V, U and Vr represent the absolute velocity of fluid, velocity of blade, and relative velocity of fluid, and suffix ‘I’ and ‘o’ stand for entry and exit conditions, then in a rotary machine whose degree of reaction is unity?

1 Answers 7 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)