Q. A faulty wall clock is known to gain 15 minutes every 24 hours. It is synchronized to the correct time at 9 AM on 11th July. What will be the correct time to the nearest minute when the clock shows 2 PM on 15th July of the same year? (A) 12:45 PM (B) 12:58 […]
Q. In manufacturing industries, loss is usually taken to be proportional to the square of the deviation from a target. If the loss is Rs. 4900 for a deviation of 7 units, what would be the loss in Rupees for a deviation of 4 units from the target? (A) 400 (B) 1200 (C) 1600 (D)
Q. A three-member committee has to be formed from a group of 9 people. How many such distinct committees can be formed? (A) 27 (B) 72 (C) 81 (D) 84 Ans: 84 Sol: For a formation of a three-member committee from available nine members. The number of distinct ‘r’ committee to be formed from ‘n’ available members
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Q. “Although it does contain some pioneering ideas, one would hardly characterize the work as________ .” The word that best fills the blank in the above sentence is (A) innovative (B) simple (C) dull (D) boring Ans: innovative
Q. “His face________with joy when the solution of the puzzle was______to him.” The words that best fill the blanks in the above sentence are (A) shone, shown (B) shone, shone (C) shown, shone (D) shown, shown Ans: shone, shown
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Q. An aircraft approaches the threshold of a runway strip at a speed of 200 km/h. The pilot decelerates the aircraft at a rate of 1.697 m/s2 and takes 18 s to exit the runway strip. If the deceleration after exiting the runway is 1 m/s2, then the distance (in m, up to one decimal
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Q. Given the following data: design life n = 15 years, lane distribution factor D = 0.75, annual rate of growth of commercial vehicles r = 6%, vehicle damage factor F = 4 and initial traffic in the year of completion of construction = 3000 Commercial Vehicles Per Day (CVPD). As per IRC:37-2012, the design
Q. A waste activated sludge (WAS) is to be blended with green waste (GW). The carbon (C) and nitrogen (N) contents, per kg of WAS and GW, on dry basis are given in the table. Parameter WAS GW Carbon (g) 54 360 Nitrogen (g) 10 6 The ratio of WAS to GW required (up to
Q. The ultimate BOD (𝐿0) of a wastewater sample is estimated as 87% of COD. The COD of this wastewater is 300 mg/L. Considering first order BOD reaction rate constant k (use natural log) = 0.23 per day and temperature coefficient θ = 1.047, the BOD value (in mg/L, up to one decimal place) after
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Q. A water sample analysis data is given below. Ion Concentration, mg/L Atomic Weight Ca2+ 60 40 Mg2+ 30 24.31 HCO3- 400 61 The carbonate hardness (expressed as mg/L of CaCO3, up to one decimal place) for the water sample is Ans: 272.0 – 274.0 Sol:
