Related Questions

Coal mines drainage waste water (acidic in nature) results from the earth's water percolating through the voids created in coal bed during mining. This polluted water which either drains out naturally to water courses or are removed before starting the mining is
A Neutralised by alkali treatment
B Left as such without any treatment
C Diluted with fresh water to reduce its acidity
D None of these
If C is creep coefficient, f is original pre-stress in concrete, m is modular ratio, E is Young's modulus of steel and e is shrinkage strain, the combined effect of creep and shrinkage is:
A (1 - C) mf - eE
B (C - 1) mf + eE
C (C - 1) mf - eE
D (1 - C) mf + eE
For the stability of a structure against seepage pressure according to Khosla's creep theory, the critical gradient is
A Zero
B 0.25
C 0.50
D 1.00
Water flows into an empty 64-gallon drum through pipe A and flows out through pipe B. If the rate of flow through A is 2 gallons/hour, how many gallons per hour must flow out through pipe B so that the drum is full in exactly 96 hours?
A 3/8
B 1/2
C 2/3
D 4/3
A rectangular field of 200m by 120m has two roads running along its center, one along the length and the other along the width. If the width of the roads is 5m, what is the area covered by the two roads?
A 1575 sq.m.
B 1600 sq.m.
C 1550 sq.m.
D 400 sq.m.
Lane's weighted creep theory assumes
A Equal weightage to horizontal and vertical creeps
B Double weightage to horizontal creep and one weightage to vertical creep
C Triple weightage to horizontal creep and one weightage to vertical creep
D Triple weightage to vertical creep and one weightage to horizontal creep
A sink contains exactly 12 liters of water. If water is drained from the sink until it holds exactly 6 liters of water less than the quantity of water drained away, how many liters of water were drained away ?
A 2
B 3
C 9
D 6
Creep in concrete structure increases with:
A Increase in humidity
B Increase in water
C Decrease in temperature
D Decrease in humidity
Creep in belt drive is due to
A weak material of the belt
B weak material of the pulley
C uneven extensions and contractions of the belt when it passes from tight side to slack side
D expansion of the belt
In which of the following cases, consideration of creep is important
A Flywheel of steam engine
B Cast iron pipes
C Cycle chains
D Gas turbine blades

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