Download Pipes and Cisterns Questions & Answers PDF for RRB Group d exam.\u00a0RRB Group d Questions based on asked questions on pipes and cisterns from previous exam papers, very important for the Railway Group d exam.<\/p>\n
Download Pipe and Cistern Questions for Railway Group-D<\/a><\/p>\n\n Download RRB JE Previous Papers PDF<\/a><\/p>\n Question 1:\u00a0<\/b>Pipe A can fill a tank in 2 hrs and pipe B can empty the tank in 2.5 hrs, then find the time in which the tank would be filled if both pipes are opened at the same time ?<\/p>\n a)\u00a010 hrs<\/p>\n b)\u00a012 hrs<\/p>\n c)\u00a08 hrs<\/p>\n d)\u00a06 hrs<\/p>\n Question 2:\u00a0<\/b>Two pipes P and Q can empty a tank in 15 minutes and 30 mins respectively, then find the time taken to empty half the tank if both are opened at the same time ?<\/p>\n a)\u00a010 min<\/p>\n b)\u00a08 min<\/p>\n c)\u00a06 min<\/p>\n d)\u00a05 min<\/p>\n Question 3:\u00a0<\/b>Two pipes A and B can fill a tank in 4 hrs and 8 hrs respectively. Both the pipes are opened simultaneously, find the time needed to fill the tank?<\/p>\n a)\u00a0$3\\frac{1}{3}$ hrs<\/p>\n b)\u00a0$3\\frac{2}{3}$ hrs<\/p>\n c)\u00a0$2\\frac{2}{3}$ hrs<\/p>\n d)\u00a0$2\\frac{1}{3}$ hrs<\/p>\n Question 4:\u00a0<\/b>Pipe A can fill a tank in 2 hrs, Pipe B can fill the same tank in 3 hrs, In how many hours both pipes together can fill the tank ?<\/p>\n a)\u00a0$1\\frac{2}{5}$<\/p>\n b)\u00a0$1\\frac{1}{5}$<\/p>\n c)\u00a0$1\\frac{3}{5}$<\/p>\n d)\u00a0$1\\frac{4}{5}$<\/p>\n Question 5:\u00a0<\/b>Pipe A can fill a tank in 4 hrs whereas pipe B can empty the tank in 10 hrs, Find the total time in which tank will be filled if both pipes are opened ?<\/p>\n a)\u00a05hrs 45mins<\/p>\n b)\u00a05hrs 40mins<\/p>\n c)\u00a06hrs 45mins<\/p>\n d)\u00a06hrs 40mins<\/p>\n FREE RRB JE YOUTUBE VIDEOS<\/a><\/p>\n 18000+ Questions – Free SSC Study Material<\/a><\/p>\n\n Question 6:\u00a0<\/b>Two taps A and B can fill a bucket in 12 hours and 15 hours respectively. If both are opened and A is closed after 3 hours, how much more time would it take for B to fill the bucket?<\/p>\n a)\u00a07 hrs 15 min<\/p>\n b)\u00a08 hrs<\/p>\n c)\u00a08 hrs 30 mins<\/p>\n d)\u00a08 hrs 15 mins<\/p>\n Question 7:\u00a0<\/b>In which of the following body parts digestion will not take place?<\/p>\n a)\u00a0Mouth<\/p>\n b)\u00a0Small intenstine<\/p>\n c)\u00a0Stomach<\/p>\n d)\u00a0Food pipe<\/p>\n Question 8:\u00a0<\/b>Why is lead pipe not used for drinking water?<\/p>\n a)\u00a0It forms poisonous Lead Hydroxide<\/p>\n b)\u00a0It forms poisonous Lead Carbide<\/p>\n c)\u00a0It forms poisonous Lead Nitride<\/p>\n d)\u00a0It forms poisonous Lead Monoxide<\/p>\n Question 9:\u00a0<\/b>What is the opening of the wind pipe called?<\/p>\n a)\u00a0Larynx<\/p>\n b)\u00a0Papillae<\/p>\n c)\u00a0Glottis<\/p>\n d)\u00a0Frenulum<\/p>\n Question 10:\u00a0<\/b>Find the efficiency of a pipe if it can fill a tank of volume 30000 litres in 2 minutes.<\/p>\n a)\u00a015000 $m^3\/sec$<\/p>\n b)\u00a00.25 $m^3\/sec$<\/p>\n c)\u00a015 $m^3\/sec$<\/p>\n d)\u00a0250 $m^3\/sec$<\/p>\n RRB JE Free Mock Test<\/a><\/p>\n RRB JE Free Mock Test (latest pattern)<\/a><\/p>\n\n Answers & Solutions:<\/strong><\/span><\/p>\n 1)\u00a0Answer\u00a0(A)<\/strong><\/p>\n Let the capacity of tank = LCM of 2 and 2.5 = 10 units<\/p>\n Filling efficiency of pipe A = 10\/2 = 5 units\/hr<\/p>\n Emptying efficiency of pipe B = 10\/2.5 = 4 units\/hr<\/p>\n If both pipes are opened,<\/p>\n The tank will be filled in 10\/(5-4) = 10\/(1) = 10 hrs<\/p>\n So the answer is option A.<\/p>\n 2)\u00a0Answer\u00a0(D)<\/strong><\/p>\n Let the capacity of tank = LCM of 15 & 30 = 30 units<\/p>\n Efficiency of pipe P = 30\/15 = 2 units\/min<\/p>\n Efficiency of Pipe Q = 30\/30 = 1 unit\/min<\/p>\n Both pipes together can empty the half of the tank in 15\/(2+1) = 15\/3 = 5 mins<\/p>\n So the answer is option D.<\/p>\n 3)\u00a0Answer\u00a0(C)<\/strong><\/p>\n Let Total capacity of tank = LCM of 4 and 8 = 8<\/p>\n Efficiency of A = 8\/4 = 2<\/p>\n Efficiency of B = 8\/8 = 1<\/p>\n Tank can be filled by both pipes in 8\/(2+1) hrs = 8\/3 hrs = $2\\frac{2}{3}$ hrs<\/p>\n So the answer is option C.<\/p>\n 4)\u00a0Answer\u00a0(B)<\/strong><\/p>\n Let the capacity of tank = LCM of 2&3 = 6 units<\/p>\n Efficiency of pipe A = 6\/2 = 3<\/p>\n Efficiency of pipe B = 6\/3 = 2<\/p>\n Both together can fill the tank in $\\frac{6}{2+3} hrs = \\frac{6}{5} hrs = 1\\frac{1}{5}hrs$<\/p>\n So the answer is option B.<\/p>\n 5)\u00a0Answer\u00a0(D)<\/strong><\/p>\n Let the capacity of tank = LCM of 4 & 10 = 20 units<\/p>\n Efficiency of A = 20\/4 = 5 units\/hr<\/p>\n Efficiency of B = 20\/10 = 2 units\/hr<\/p>\n Effective work = 5 – 2 = 3 units\/hr<\/p>\n So tank will be filled in $20\/3 = 6\\frac{2}{3}hrs = 6 hrs 40 mins$<\/p>\n So the answer is option D.<\/p>\n Daily Free Online Tests for RRB Exams<\/a><\/p>\n