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Absolute specificity, group specificity and optical specificity are observed by chemical catalyst.

Correct Answer: False
Absolute specificity, group specificity and optical specificity are observed by enzymes. As enzymes are specific to substrates (Absolute) or group of substrates (Group) or group of substrates showing same optical activity upon hydrolysis.

You are the network administrator for your company. Mike Nash is a member of the Administration group, and Nate Sun is a member of the Intern group. Both groups are in the same domain. On the intranet server, the Administration group is placed in the Security group, and the Intern group is placed in the Nonsecurity group. The Security group is then granted Full Control permission for the Sales virtual directory. Nate needs to update new sales information that is located on the Sales virtual directory. What should you do so that Nate can perform this task?

Consider the following statements.
1. Fibre optics is based on the principle of total internal reflection.
2. In an optical fibre communication system, power consumption is extremely low
3. Optical fibre communications are free from radio frequency interference.
4. In India, Reliance Group of Industries is engaged in the manufacture of the optical fibre.
Which of these statements are correct?

A group consists of six members A, B, C, D, E and F. There are two housewife, one professor, one engineer, one accountant and one lawyer in the group. There are two married couples among the members of the group. D is a housewife and she is married to a lawyer. No woman in the group is either an engineer or an accountant. C is an accountant and married to F who is a professor. A is married to a housewife. How many males are there in the group?

A,B,C,D,E and F are a group of friends.There are two housewifes, one professor,one engines ,one accountant and one lawyer in the group.There are only two married couples in the group .The lawyer is married to D, who is a housewife.No woman in the group is either an engineer or an accountant.C, the accountant, is married to F, who is a professor.A is married to a housewife. How many members of the group are males?

Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N2 & H2 is high. The presence of promoter along with the catalyst helps in __________ of the catalyst.

For absolute chamber gas temperature Tg, absolute liquid temperature Tl, absolute wall temperature on the gas side of the wall Twg, overall film coefficient h, gas film coefficient hg and liquid film coefficient hl, determine the expression for heat transferred per unit area q.

A planar LED is fabricated from GaAs is having a optical power emitted is 0.018% of optical power generated internally which is 0.018% of optical power generated internally which is 0.6 P. Determine external power efficiency.

Which of the following statements is/are not true?
1. Chemical weathering is most common in limestone rocks
2. Chemical weathering is most active in wet regions with higher temperature
3. Rain action is a form of chemical weathering
4. Exfoliation is a process of chemical weathering

A,B,C,D,E and F are a group of friends.There are two housewifes, one professor,one engines ,one accountant and one lawyer in the group.There are only two married couples in the group .The lawyer is married to D, who is a housewife.No woman in the group is either an engineer or an accountant.C, the accountant, is married to F, who is a professor.A is married to a housewife. Which of the following is one of the married couples ?

A,B,C,D,E and F are a group of friends.There are two housewifes, one professor,one engines ,one accountant and one lawyer in the group.There are only two married couples in the group .The lawyer is married to D, who is a housewife.No woman in the group is either an engineer or an accountant.C, the accountant, is married to F, who is a professor.A is married to a housewife. What is E's profession ?