What is the calibration procedure for UV Spectrophotometer
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Answer / amar
Calibration is done in Four steps
1-Control of wavelength
2-Control of Absorbance
3-Limit of Stray light
4-Resolution power
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Answer / guest
put spectrophotometer on gas, then burn it to the state of
ash
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The LCM of two numbers is 2079 and their HCF is 27. If one of the numbers is 189, find the other number. (a) 248 (b) 128 (c) 297 (d) 336 (e) None of these
How many 3 digits with 3 Distinct digits are there from 100-1000.
a farmer has a rectangular plot.he wants to do fencing along one of the side wiyh the help of the posts.two posts being on two corners.he brings 5 post less than what he has initially plan because of which the distance between two consecutive post became 8m instead of 6m.what is the length of the side and number of post
In 1991, was the number of people in City A three times greater then the number of people in City B?
Past question on Chevron's interview tests
what is ment by SEBI?
16 Answers Genpact, ICICI, PIMT, State Bank Of India SBI,
in the year 1990 there are 5000 men 3000 women 2000 boys .in 1994 men are increased by 20% women are increased by ratio of boys and women
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1. Find min value of fn: |-5-x| + |2-x|+|6-x|+10-x|; where x is an integer a)0 b)17 c)23 d)19 2. units digit in expansion os 2 raised to 51 is: a)2 b)4 c)6 d)8 3. 2 men at same tym start walking towards each other from A n B 72 kms apart. sp of A is 4kmph. Sp of B is 2 kmph in 1st hr, 2.5 in 2nd, 3 in rd. n so on..when will they meet i) in 7 hrs ii) at 35 kms from A iii) in 10 hrs iv) midway 4. (8*76+19*?-60) / (?*7*12+3-52)=1 a)5 b)2 c)1 d)3 5. 45 grinders brought @ 2215/-.transport expense 2190/-.2760/- on octroi. Find SP/piece to make profit of 20% a)2585 b)2225 c)2670 d)3325 6. In a 2 digit no unit's place is halved and tens place is doubled. diff bet the nos is 37. digit in unit's place is 2 more than tens place. a)24 b)46 c)42 d)none 7. if x-y + z = 19, y + z =20, x-z=3, find d value of x+4y-5z a)22 b)38 c)17 d)none 8. Find approx value of 39.987/0.8102+1.987*18.02 a)72 b)56 c)86 d)44 9. If the ratio of prod of 3 diff comp's A B & C is 4:7:5 and of overall prod last yr was 4lac tones and if each comp had an increase of 20% in prod level this yr what is the prod of Comp B this yr? a)2.1L b)22.1L c)4.1L d)none 10. If 70% of a no. is subtracted from itself it reduces to 81. what is two fifth of that no.? a)108 b)54 c)210 d)none 11. If a certain sum of money at SI doubles itself in 5 yrs then what is d rate? a)5% b)20% c)25% d)14.8% 12. If radius of cylinder and sphere r same and vol of sphere and cylinder r same what is d ratio betn the radius and height of the cylinder i. R= H ii. R= (3/4)H iii. R = (4/3)H iv. R=2/3H 13. Which one of the foll fractions is arranged in ascending order i. 9/11, 7/9, 11/13, 13/14 ii 7/8, 9/11, 11/13, 13/14 iii 9/11, 11/13, 7/8, 13/14 iv none 14. A is 4 yrs old and B is thrice A>when A is 12 yrs, how old will B be? a)16 b)20 c)24 d)28 15. Boat goes downstream from P to Q in 2hrs, upstream in 6hrs and if speed of stream was ? of boat in still water. Find dist PQ a)6 b)4 c)10 d)none 16. Fresh Grapes contain 90% water by wt. Dried grapes contain 20% water by %age. What will b wt of dried grapes when we begin with 20 kg fresh grapes? a)2kg b) 2.4kg c) 2.5kg d)none http://www.TowardsJob.com 17. How many 5 digit no. can b formed wit digits 1, 2, 3,4,5,6 which r divisible by 4 and digits not repeated a)144 b) 168 c) 192 d) none 18. Asish was given Rs. 158 in denominations of Rs 1 each. He distributes these in diff bags, such that ne sum of money of denomination betn 1 and 158 can be given in bags. The min no. of such bags reqd a)10 b) 17 c) 15 d) none 19.There is a rectangular Garden whose length and width are 60m X 20m. There is a walkway of uniform width around garden. Area of walkway is 516m^2. Find width of walkway a)1 b)2 c)3 d)4 20. In a race from pt. X to pt Y and back, Jack averages 0 miles/hr to pt Y and 10 miles/hr back to pr X.Sandy averages 20 miles/hr in both directions. If Jack and Sandy start race at same tym, who'll finish 1st? a)Jack b)Sandy c)they tie d)Impossible to tell 21. A man engaged a servant on a condition that he'll pay Rs 90 and also give him a bag at the end of the yr. He served for 9 months and was given a turban and Rs 65. So the price of turban is i. Rs 10 2) 19 3) 0 4) 55 22. Three wheels make 36, 24, 60 rev/min. Each has a black mark on it. It is aligned at the start of the qn. When does it align again for the first tym? a14 b)20 c)22 d)5 sec 23. If 1= (3/4)(1+ (y/x) ) then i. x=3y ii. x=y/3 iii. x=(2/3)y iv. none 24. The sum of six consecutive odd nos. is 888. What is the average of the nos.? i. 147 ii. 148 iii. 149 iv. 146 25. 1010/104*102=10? i. 8 ii. 6 iii. 4 iv. none
Refer to the figure below. A ship started from P and moves at a speed of I miles per hour and another ship starts from L and moving with H miles per hour simultaneously .Where do the two ships meet? ||—g—||—h—||—i—||—j—||—k—||—l—|| PG H I J K L are the various stops in between denoted by || . The values g, h, i, j, k, l denote the distance between the ports. explain how this question can b solved....
If the ticket sales s for a company increases 25% from standard sales to 60 tickets sold, then 60-s? a) 48 b)30 c)18 d)12 e)7
A, B, C made trips to PIZZA centre B made 2.4 times more trips then ! , C made 6 more then A Total Min trips are