Related Questions

Which of the following pollutants is the major contributor to photochemical smog?
A Peroxynitrates
B Hydroperoxides
C Nitrogen dioxide
D Ozone
Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical smog?
A Nitrogen oxides
B Hydrocarbons
C Both A & B
D Carbon monoxide
In a photochemical smog, which gas is an eye and mucous membrane irritant?
A SO2
B O3
C CO2
D N2O
নিম্নলিখিত কোন গ্যাস photochemical ধোয়াসার (smog) জন্য দায়ী নয়?
A Hydrocarbon
B O3
C NO2
D CFC
Photochemical smog is formed from automobile exhaust
A By reaction of hydrocarbon & nitric oxide in presence of sunlight
B Appears only on sunny days
C Is harmful for crops and trees also besides causing eye irritation & asthma
D All of the above
Sooty and sulphurous smog formed due to combustion of fossil fuels particularly in winter, continues throughout the day and night. When the moist atmospheric air's water vapor condenses on the solid particles of smoke thereby forming smog (smoke + fog), it causes
A Poor visibility due to sky darkening
B Irritation in eyes
C Respiratory trouble
D All of the above
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?
A Enable Anonymous access for the intranet server
B Enable Anonymous access for the Sales virtual directory
C Remove Nate fmm the Intern group
D Make Nate a member of the Security group
E None of above
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 2
B 3
C 4
D 5
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?
A 4
B 3
C 1
D Cannot be determined
A photochemical reaction is
A Accompanied with emission of light
B Catalysed by light
C Initiated by light
D All of the above

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