Pipe and Cistern Practice & Questions
A direct application of time and work principles with negative work efficiency introduced through emptying valves and leakages.
Core Concepts in Pipe and Cistern
Questions from this topic consistently evaluate the following core principles across SSC, Railways, and Banking papers:
- Inlet (positive) and outlet (negative) work rates
- Net filling rate when multiple pipes operate simultaneously
- Tanks with bottom leaks
- Alternating pipe operations
Exam Speed Strategy & Shortcuts
- Assign negative signs to drain pipe efficiencies before adding.
- Carefully track the final cycle when an alternating tap fills the tank.
Exams Testing Pipe and Cistern
Mastering this topic directly contributes to clearing cutoffs in these examinations: