The force produced during the operation of Paramagnetic oxygen analyzer is proportional to which of the following?

Consider the following statement for a ball falling in a viscous fluid: a) The viscous force is directly proportional to the radius of the ball b) The viscous force is directly proportional to the velocity of the ball c) The viscous force is inversely proportional to the radius of the ball d) The viscous force is inversely proportional to the velocity of the ball Which of the above statements are correct?

A

Both a and b are correct

B

Both a and d are correct

C

Both b and c are correct

D

Both c and d are correct

Which of the following statements is correct regarding the oxidation number of Oxygen? I. The oxidation number of Oxygen in most compounds is -2. II. When Oxygen is bonded to Fluorine in compounds like Oxygen difluoride and Dioxygen diflouride, the Oxygen is assigned an oxidation number of +2 and +2 respectively. III. In peroxide, an Oxygen atom is assigned an oxidation number of -1 and in Superoxide, each oxygen atom is assigned an oxidation number of -1/2.

A

I only

B

II only

C

I and III only

D

I, II, and III

In Paramagnetic oxygen analyzer, when no oxygen is present the magnetic force balances torque of the fibre.

A

True

B

False

In Paramagnetic oxygen analyzer, the expression for magnitude of force produced can be expressed as, F = C (K-KO), where K= magnetic susceptibility of surrounding gas and KO= magnetic susceptibility of sphere. C denotes which of the following?

A

Magnetic field strength

B

Magnetic gradient

C

Function of magnetic field strength and gradient

D

Magnetic flux

Consider the following statements: 1. If x is directly proportional to z and y is directly proportional to z, then (x2 - y2) is directly proportional to z2. 2. If x is inversely proportional to z and y is inversely proportional to z, then (xy) is inversely proportional to z2. Which of the above statements is/are correct?

A

1 only

B

2 only

C

Both 1 and 2

D

Neither 1 nor 2

A lexical analyzer uses the following patterns to recognize three tokens T1, T2, and T3 over the alphabet {a,b,c}. ?1: ?? (?|?)∗? ?2: ?? (?|?)∗? ?3: ?? (?|?)∗? Note that ‘x?’ means 0 or 1 occurrence of the symbol x. Note also that the analyzer outputs the token that matches the longest possible prefix. If the string ???????? is processed by the analyzer, which one of the following is the sequence of tokens it outputs?

A

𝑇₁𝑇₂𝑇₃

B

𝑇₁𝑇₁𝑇₃

C

𝑇₂𝑇₁𝑇₃

D

𝑇₃𝑇₃

In Paramagnetic oxygen analyzer, the electrostatic force that is exerted should have which of the following features?

A

It should be greater than the magnetic field and must be in the same direction

B

It should be equal to the magnetic field and must be in the same direction

C

It should be greater than the magnetic field and must be in the opposite direction

D

It should be equal to the magnetic field and must be in the opposite direction

How is the degree of emulsion polymerization related to the monomer concentration, and the rate of radical generation, Ri? , inversely proportional to Ri b) inversely proportional to Ri, directly proportional to . c) directly proportional to Ri, independent of . d) directly proportional to , independent of Ri

A

and the rate of radical generation, Ri? ] directly proportional to , inversely proportional to Ri

B

M

C

M

D

M

Which of the following is true about the two charged vanes that produce electric field in Paramagnetic oxygen analyzer?

A

Both the vanes should be at higher potential than the test body

B

Both the vanes should have the same potential as the test body

C

One vane should be at higher potential than the test body and the other vane should be at lower potential

D

Both the vanes should be at lower potential than the test body

To improve paramagnetic oxygen analyzer, the quartz suspension must be replaced with which of the following?

A

Platinum-iridium

B

Phosphor-bronze

C

Gold-palladium

D

Antimony

The force produced during the operation of Paramagnetic oxygen analyzer is proportional to which of the following?

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